Chapter 4

Morphology of Flowering Plants

Solutions

SECTION - A
Objective Type Questions
1. Primary root is the direct elongation of the
(1) Pedicel (2) Radicle (3) Plumule (4) Stamen
Sol. Answer (2)

Primary root is the direct elongation of the radicle.

2. The type of roots present in mustard plant is

(1) Fibrous roots (2) Adventitious roots (3) Tap roots (4) Nodulated roots
Sol. Answer (3)

The type of roots present in mustard plant is tap roots.

3. Which of the following is not the lateral branches of the roots?

(1) Tertiary roots (2) Secondary roots
(3) Primary root (4) More than one option is correct
Sol. Answer (3)

Primary root is not the lateral branches of the roots.

4. In wheat plant ________ root system is present.

(1) Nodulated (2) Tap (3) Fibrous (4) Prop
Sol. Answer (3)

In wheat plant fibrous root system is present.

5. Which of the following is not the main function of the root system?
(1) Provide anchorage to the plant parts (2) Synthesis of PGRs
(3) Absorption of water and minerals from soil (4) Photosynthesis
Sol. Answer (4)

Photosynthesis is not the main function of the root system.

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88 Morphology of Flowering Plants Solution of Assignment

6. A root grows in length, which region of the root is responsible for this growth?
(1) Root cap (2) Region of meristematic activity
(3) Region of elongation (4) Region of maturation
Sol. Answer (3)
Region of elongation of the root is responsible for the root growth.

7. Root hairs are present in/on

(1) Region of elongation (2) Region of maturation
(3) Region of meristematic activity (4) Root cap
Sol. Answer (2)
Root hairs are present in region of maturation

8. The region or part of root that increases the surface area for water absorption is
(1) Root cap (2) Zone of elongation (3) Meristematic zone (4) Root hair
Sol. Answer (4)
Root hair increases the surface area of water absorption.

9. The tap roots of ______ gets modified to store food.

(1) Carrot (2) Onion (3) Ginger (4) Sweet potato
Sol. Answer (1)
The tap roots of carrot get modified to store food.

10. Adventitious roots of ______ get swollen and store food.

(1) Carrot (2) Turnip (3) Radish (4) Sweet potato
Sol. Answer (4)
Adventitious roots of sweet potato get swollen.

11. Supporting roots coming out of the lower nodes of the sugarcane stem are called
(1) Prop roots (2) Stilt roots (3) Pneumatophores (4) Fusiform roots
Sol. Answer (2)
Supporting roots coming out of the lower nodes of sugarcane stem is called stilt roots.

12. In Rhizophora, roots are modified to form

(1) Tuberous roots (2) Pneumatophores (3) Stilt roots (4) Storage roots
Sol. Answer (2)
In Rhizophora, roots are modified to form pneumatophores.

13. The hanging structures that support banyan tree are called
(1) Prop roots (2) Stilt roots (3) Pneumatophores (4) Root hair
Sol. Answer (1)
The hanging structures that support banyan tree are called prop roots.

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Solution of Assignment Morphology of Flowering Plants 89
14. Stem develops from ______ of the embryo of a germinating seed.
(1) Radicle (2) Plumule (3) Pedicel (4) Pneumatophore
Sol. Answer (2)

Stem develops from plumule of the embryo of a germinating seed.

15. ______ are the regions of the stem that bear leaves.
(1) Internode (2) Nodes (3) Foliar bud (4) Radical bud
Sol. Answer (2)

Nodes are the regions of the stem that bear leaves.

16. Stems of potato, ginger and turmeric are modified to

(1) Respiration (2) Perform photosynthesis
(3) Store food (4) Provide support
Sol. Answer (3)

Stems of potato, ginger and turmeric are modified to store food.

17. In gourds, axillary buds develop spirally coiled structures called

(1) Thorns (2) Tendril (3) Offsets (4) Suckers
Sol. Answer (2)

In gourds, axillary buds develop spirally coiled structures called tendril.

18. ______ protect Bougainvillea from grazing animals.

(1) Tendrils (2) Suckers (3) Offsets (4) Thorns
Sol. Answer (4)

Thorns protect Bougainvillea from grazing animals.

19. Stems are modified into flattened structures, which carryout photosynthesis in
(1) Euphorbia (2) Opuntia (3) Bougainvillea (4) Colocasia
Sol. Answer (2)

In Opuntia, stems are modified into flattened structures which carryout photosynthesis.

20. Chlorophyll containing fleshy cylindrical structures found in Euphorbia are modified
(1) Roots (2) Fruit (3) Leaves (4) Stem
Sol. Answer (4)

Phylloclade is stem modification in Euphorbia.

21. In Pistia and Eichhornia, stems are modified to form

(1) Offsets (2) Tendrils (3) Stolons (4) Suckers
Sol. Answer (1)

In Pistia and Eichhornia, stems are modified to form offsets.

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90 Morphology of Flowering Plants Solution of Assignment

22. Leaves originate from ______ and are arranged in an ______ order.
(1) Root apical meristem, acropetal (2) Floral meristem, basipetal
(3) Shoot apical meristem, acropetal (4) Internodes, basipetal
Sol. Answer (3)

Leaves originate from shoot apical meristem and are arranged in an acropetal order.

23. Which of the following is not a part of a leaf?

(1) Pedicel (2) Leaf base (3) Petiole (4) Lamina
Sol. Answer (1)

Pedicel is not a part of leaf.

24. Leaf base may bear two lateral small leaf like structures called
(1) Lamina (2) Pulvinus (3) Stipules (4) Sepals
Sol. Answer (3)

Leaf base may bear two lateral small stipules.

25. Swollen leaf base found in leguminous plants is called

(1) Leaf blade (2) Petiole (3) Stipules (4) Pulvinus
Sol. Answer (4)

Swollen leaf base found in leguminous plants is called pulvinus.

26. Which one of the following plants shows alternate phyllotaxy?

(1) Sunflower (2) Guava (3) Nerium (4) Calotropis
Sol. Answer (1)

Sunflower shows alternate phyllotaxy.

27. The petiole expand and become green to synthesize food in

(1) Solanum (2) Pisum sativum (3) Venus-fly trap (4) Australian Acacia
Sol. Answer (4)

Petiole expand and become green, structure called phyllode to synthesize food.

28. Mark the incorrect statement

(1) Flower is a modified shoot
(2) In cymose inflorescence, the main axis terminates in a flower
(3) Flowers are borne on successive internodes on the stems and roots
(4) When a shoot tip transforms into a flower, the flower is always solitary
Sol. Answer (3)

Flowers are borne on successive nodes on the stems.

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Solution of Assignment Morphology of Flowering Plants 91
29. The four whorls of a flower are arranged on the
(1) Thalamus (2) Petiole (3) Corolla (4) Stamens

Sol. Answer (1)

Four whorls of a flower are arranged on the thalamus.

30. Radial symmetry is found in flowers of

(1) Cassia (2) Chilli (3) Gulmohur (4) Canna

Sol. Answer (2)

Radial symmetry is found in flowers of chilli.

31. The flower of which of the following plant is zygomorphic?

(1) Bean (2) Datura (3) Mustard (4) Canna

Sol. Answer (1)

The flower of bean is zygomorphic.

32. Which of the following plant has a superior ovary?

(1) Peach (2) Guava (3) China rose (4) Rose

Sol. Answer (3)

Guava - Inferior ovary

Peach & Rose - Perigynous

China rose - Superior ovary

33. Which of the following plant has epigynous flower?

(1) Cucumber (2) Brinjal (3) Mustard (4) Peach

Sol. Answer (1)

Cucumber has epigynous flower

34. The ray florets of sunflower has

(1) Superior ovary (2) Half inferior ovary (3) Half superior ovary (4) Inferior ovary
Sol. Answer (4)

The ray florets of sunflower have inferior ovary.

35. Mark the incorrect match

(1) Calotropis – Valvate (2) Lady’s finger – Twisted

(3) Cassia – Valvate (4) Gulmohur – Imbricate

Sol. Answer (3)

Cassia shows imbricate aestivation

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92 Morphology of Flowering Plants Solution of Assignment

36. Match the column-I with column-II w.r.t. aestivation.

Column-I Column-II

a. (i) Valvate

b. (ii) Vexillary

c. (iii) Twisted

d. (iv) Imbricate

(1) a(ii), b(i), c(iv), d(iii) (2) a(iii), b(ii), c(iv), d(i) (3) a(iv), b(ii), c(iii), d(i) (4) a(i), b(iii), c(iv), d(ii)
Sol. Answer (4)
Correct match.
(a) Valvate
(b) Twisted
(c) Imbricate

(d) Vexillary

37. Carpels are fused in the flowers of

(1) Lotus (2) Tomato (3) Rose (4) Both (1) & (3)
Sol. Answer (2)

Carpels are fused in the flowers of tomato.

38. Ovary containing the false septum occurs in

(1) Primrose (2) Dianthus (3) Argemone (4) Pisum sativum
Sol. Answer (3)

Ovary containing the false septum occurs in Argemone .

39. In ______ placentation, the placenta forms a ridge along the ventral suture of the ovary.
(1) Axile (2) Basal (3) Free central (4) Marginal
Sol. Answer (4)

In marginal placentation, the placenta forms a ridge along the ventral suture of the ovary.

40. The stony hard part of the mango represents

(1) Mesocarp (2) Epicarp (3) Endosperm (4) Endocarp
Sol. Answer (4)

The stony hard part of the mango represents endocarp.

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Solution of Assignment Morphology of Flowering Plants 93
41. Select the correct statement w.r.t. Mango and coconut
(1) They develop from monocarpellary superior ovaries (2) They develop from monocarpellary inferior ovaries
(3) They have fibrous epicarp (4) They have fleshy edible mesocarp
Sol. Answer (1)

Mango and coconut develop from monocarpellary superior ovaries.

42. The inner layer of the seed coat is called

(1) Testa (2) Hilum (3) Micropyle (4) Tegmen
Sol. Answer (4)

The inner layer of the seed coat is tegmen.

43. Which of the following parts of the embryo contains radicle and plumule?
(1) Cotyledon (2) Seed coat (3) Embryonal axis (4) Endosperm
Sol. Answer (3)

Embryonal axis contains radicle and plumule.

44. Which of the following plant has endospermic seed?

(1) Bean (2) Gram (3) Pea (4) Castor
Sol. Answer (4)

Castor has endospermic seed.

45. While representing a floral formula, G stands for

(1) Epigynous flower (2) Superior ovary (3) Inferior ovary (4) Androecium
Sol. Answer (2)

In floral formula, G stands for superior ovary.

46. Select the correct option.

Column-I Column-II
a. Br (i) Corolla
b. K (ii) Perianth
c. C (iii) Calyx
d. P (iv) Bracteate
(1) a(iv), b(ii), c(iii), d(i) (2) a(iv), b(i), c(iii), d(ii) (3) a(iv), b(iii), c(i), d(ii) (4) a(i), b(ii), c(iii), d(iv)
Sol. Answer (3)
Br - Bracteate
K - Calyx
C - Corolla

P - Parianth
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94 Morphology of Flowering Plants Solution of Assignment

47. Actinomorphic nature of flower is represented by which of the following symbols?

(1) A (2) % (3)  (4)

Sol. Answer (3)

Actinomorphic symbol – 

48. The floral formula of the plants belonging to the family Fabaceae is

(1) K(5) C1+2+(2) A(9)+1 G1 (2) % K(5) C1+2+(2) A(9)+1 G 1

(3) K5 C1+2+2 A9+1 G1 (4) % K(5) C1+2+(2) A(9)+1 G1

Sol. Answer (4)

Floral formula of fabaceae

% K(5) C1+2+(2) A(9)+1 G1

49. The plants belonging to the family Solanaceae is represented by the floral formula

(1) K5 C5 A5 G2 (2) K(5) C(5) A(5) G(2)

(3) K(5) C(5) A5 G(2) (4) K5 C(5) A(5) G(2)

Sol. Answer (3)

Floral formula of Solanaceae

K(5) C(5) A (5) G (2)

50. Which of the following plants is used to extract the blue dye?
(1) Trifolium (2) Lupin (3) Indigofera (4) Cassia
Sol. Answer (3)
Indigofera is used to extract the blue dye.

SECTION - B
Objective Type Questions
1. The origin of root hairs and lateral roots is
(1) Exogenous and endogenous respectively (2) Endogenous and exogenous respectively
(3) Both endogenously (4) Both exogenously
Sol. Answer (1)
The origin of root hairs and lateral roots is exogenous and endogenous respectively.

2. Find odd one w.r.t radicle leaves

(1) Maize (2) Radish (3) Carrot (4) Turnip
Sol. Answer (1)
Radicle leaves primary root which is present in radish, carrot and turnip except maize.

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Solution of Assignment Morphology of Flowering Plants 95
3. Cuscuta, Viscum and Orobanche are similar in having
(1) Hygroscopic roots (2) Assimilatory roots (3) Epiphyllous roots (4) Haustorial roots
Sol. Answer (4)
Cuscuta, Viscum and Orobanche have haustorial roots to suck food and water from host.

4. Match the following

Column I Column II
(a) Cuscuta (i) Hygroscopic root
(b) Rhizophora (ii) Stilt root
(c) Vanda (iii) Haustorial root
(d) Pandanus (iv) Respiratory root
(1) a(i), b(iii), c(iv), d(ii) (2) a(iii), b(iv), c(i), d(ii) (3) a(iii), b(i), c(iv), d(ii) (4) a(ii), b(iv), c(i), d(iii)
Sol. Answer (2)
Cuscuta - Haustorial root
Rhizophora - Respiratory root
Vanda - Hygroscopic root
Pandanus - Stilt root

5. Stem modified into green, flattened branches of unlimited growth for assimilatory function is
(1) Phyllode (2) Phylloclade (3) Cladode (4) Bulbil
Sol. Answer (2)
Phylloclade, stem modified into green, flattened branches of unlimited growth for assimilatory function.

6. Leafless stem of onion which produces cluster of terminal flowers is called as

(1) Peduncle (2) Floral axis (3) Scape (4) Rachis
Sol. Answer (3)
Leafless stem of onion which produces cluster of terminal flowers is called scape.

7. Which is not a modification of stem?

(1) Tuber of potato (2) Pitcher of Nepenthes (3) Corm of Colocasia (4) Rhizome of ginger
Sol. Answer (2)
Modification
Tuber of potato - Stem
Corm of Colocasia - Stem
Rhizome of Ginger - Stem
Pitcher of Nepenthes - Leaf

8. Reticulate venation is the feature of dicots but some monocots also exhibit this venation, like
(1) Calophyllum (2) Smilax (3) Eryngium (4) Corymbium
Sol. Answer (2)
Smilax is a monocot which exhibits reticulate venation

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96 Morphology of Flowering Plants Solution of Assignment

9. Thorns, spines and prickles work as _____ in plants.

(1) Respiratory organs (2) Excretory organs (3) Organs of offense (4) Defensive organs
Sol. Answer (4)
Thorns, spines and prickles work as defensive organs in plants

10. Leaflet tendril and entire leaf tendril are found in respectively
(1) Cucurbita, Smilax (2) Pisum, Lathyrus sativus
(3) Passiflora, Vitis (4) Luffa, Pisum
Sol. Answer (2)
Leaflet tendril and entire leaf tendril are found in Pisum and Lathyrus sativus.

11. Select an incorrect match

(1) Whorled phyllotaxy – Alstonia, Nerium
(2) Decussate phyllotaxy – Quisqualis, Psidium, Syzygium
(3) Alternate phyllotaxy – Mustard, China rose, Sunflower
(4) Opposite phyllotaxy – Zinnia, Calotropis
Sol. Answer (2)
Decussate phyllotaxy is an opposite phyllotaxy.
eg. Zinnia, Calotropis etc.

12. Which of the following is not the modification of leaf?

(1) Tendril in Antigonon (2) Tendril in Clematis (3) Tendril in Gloriosa (4) Tendril in Nepenthes
Sol. Answer (1)
Tendril in Antigonon is modification of inflorescence.

13. Select a correct set.

Plant Organ Function
(1) Vanda Tap root Moisture absorption
(2) Jasmine Offset Photosynthesis
(3) Pineapple Sucker Propagation
(4) Nepenthes Leaf tip Photosynthesis
Sol. Answer (3)
Pineapple has modified stem as sucker which helps its propagation in parallel to the beneath of surface of
the ground.

14. Inflorescence with thick, fleshy axis and large coloured bracts is
(1) Spathe (2) Spadix (3) Spikelet (4) Hypanthodium
Sol. Answer (2)
Inflorescence with thick fleshy axis and large coloured bracts is spadix.

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Solution of Assignment Morphology of Flowering Plants 97
15. Bisexual, sessile and bracteate flowers develop acropetally in
(1) Raceme (2) Panicle (3) Spike (4) Corymb
Sol. Answer (3)
Bisexual, sessile and bracteate flowers develop acropetally in spike.

16. Which kind of inflorescence is shown in the figure given below?

Flowers

(1) Simple dichasial cymose (2) Verticillaster

(3) Simple monochasial cymose (4) Polychasial cymose
Sol. Answer (2)
Dichasial cyme ending in monochasial cyme – Verticillaster

17. Find the odd one (w.r.t. inflorescence axis elongation)

(1) Umbel (2) Spike (3) Raceme (4) Catkin
Sol. Answer (1)
Spike, raceme and catkin have long floral axis but umbel floral axis is reduced and flowers are borne from a
single point.

18. The type of inflorescence characterized by having dimorphic flower is

(1) Catkin (2) Umbel (3) Corymb (4) Capitulum
Sol. Answer (4)
In capitulum, ray florets are zygomorphic and disc florets are actinomorphic.

19. In Head or Capitulum inflorescence

(1) Ray florets : pistillate and neuter; actinomorphic (2) Disc florets : bisexual; zygomorphic
(3) Ray florets : pistillate or neuter; zygomorphic (4) Disc florets : pistillate; actinomorphic
Sol. Answer (3)
Ray florets Disc florets
Pistillate and neuter Bisexual
Zygomorphic Actinomorphic

20. Flowers with monadelphous condition and pentacarpellary ovary are present in
(1) China rose family (2) Pea family (3) Potato family (4) Yucca family
Sol. Answer (1)
Malvaceae family
– Monadelphous
– Pentacarpellary
e.g., China rose

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98 Morphology of Flowering Plants Solution of Assignment

21. A. Citrus and Ricinus have synandrous condition.

B. In epitepalous condition, the cohesion occurs bewteen tepal and filament of stamen.
C. Tetradynamous condition consists of two long and four short stamen filaments.
(1) All are incorrect (2) Only A is incorrect (3) Only C is incorrect (4) Only B is incorrect
Sol. Answer (1)
Citrus - Polyadelphous
Epiteplous - Tepals are free and filament of statement is attached to tepals.
Tetradynamous - 6 stamen
4 long stamen
2 short stamen

22. Presence of staminode is characteristic feature of

(1) Caesalpinoideae (2) Mimosoideae (3) Arecaceae (4) Euphorbiaceae
Sol. Answer (1)
Cytoplasmic male sterility gene affects staminode, sterile stamen which is a characteristic feature of
caesalpiniaceae.

23. Match the following:

Column I Column II
a. Amphisarca (i) Aegle
b. Pepo (ii) Cucumis
c. Drupe (iii) Ananas
d. Sorosis (iv) Juglans
(1) a(i), b(ii), c(iv), d(iii) (2) a(i), b(ii), c(iii), d(iv) (3) a(iii), b(ii), c(i), d(iv) (4) a(ii), b(i), c(iv), d(iii)
Sol. Answer (1)
Amphisarca - Aegle
Pepo - Cucumis
Drupe - Juglans
Sorosis - Ananas

24. Find incorrect matching

(1) Pome – Fleshy thalamus (2) Schizocarp – Mericarp
(3) Balausta – Aril (4) Syconus – Hypanthodium
Sol. Answer (3)
Litchi is a type of nut fruit which has aril as an edible part.

25. Most common fruits of fabaceae and brassicaceae are respectively

(1) Lomentum and Siliqua (2) Legume and Samara
(3) Lomentum and Silicula (4) Legume and Siliqua
Sol. Answer (4)
Family Fruits
Fabaceae - Legume
Siliqua - Brassicaceae
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Solution of Assignment Morphology of Flowering Plants 99
26. In Coriandrum, the prolongation of thalamus beyond the carpel is called as
(1) Gynophore (2) Gynandrophore (3) Androphore (4) Carpophore
Sol. Answer (4)
Prolongation of thalamus beyond the carpel - Carpophore.

27. A dry dehiscent fruit which develops from multicarpellary, syncarpous superior ovary with axile placentation,
is
(1) Capsule (2) Siliqua (3) Achene (4) Lomentum
Sol. Answer (1)
Capsule
– Dry dehiscent fruit
– Multicarpellary
– Syncarpous superior ovary
– Axile placentation

28. Scutellum is a
(1) Food storing haploid structure in grass embryo
(2) Remnant of cotyledon in maize
(3) Shield shaped and large cotyledon of grasses
(4) Protective covering of plumule in grasses
Sol. Answer (3)
Scutellum – Shield shaped and large cotyledon of grasses.

29. There are given some plants below, select among the options that, to how many families they belongs? Plants
are - Crotolaria, Atropa, Solanum, Arachis, Bambusa and Chrysanthemum
(1) 4 families (2) 6 families (3) 2 families (4) 3 families
Sol. Answer (1)
Solanaceae - Solanum, Atropa
Leguminaceae - Crotolaria, Arachis
Poaceae - Bambusa
Asteraceae - Chrysanthemum

30. Floral formula Br. P3+3 A3+3G (3) represents the family with one of the following group of plants?
+
(1) Crotolaria and Astragalus (2) Lepidium and Iberis
(3) Allium and Asparagus (4) Vetiveria and Cymbopogon
Sol. Answer (3)

Br. P3+3 A3+3G (3)

+
eg. Allium & Asparagus  Liliaceae
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100 Morphology of Flowering Plants Solution of Assignment

31. Find correct match

Column I Column II
a. Sinigrin (i) Liliaceae
b. Carthamin (ii) Brassicaceae
c. Atropine (iii) Solanaceae
d. Aloin (iv) Asteraceae
(1) a(ii), b(iv), c(iii), d(i) (2) a(ii), b(iv), c(i), d(iii) (3) a(i), b(ii), c(iii), d(iv) (4) a(i), b(ii), c(iv), d(iii)
Sol. Answer (1)
Sinigrin - Brassicaceae
Carthamin - Asteraceae
Atropine - Solanacea
Aloin - Liliaceae

32. Find out a set of common N2 fixing fodder plants

(1) Trifolium, Atropa (2) Withania, Abrus (3) Sesbania, Trifolium (4) Aloe, Gloriosa
Sol. Answer (3)
Sesbania, Trifolium – Nitrogen-fixing fodder plants

33. Family fabaceae is corcerned with

(1) Diadelphous stamen, marginal placentation, obliquely placed ovary and vexillary corolla
(2) Diadelphous stamen, marginal placenta and large posterior petal
(3) Basal placentation, versatile stamens, spikelet inflorescence
(4) Axile placentation, non-endospermic seed, legume fruit
Sol. Answer (2)
Fabaceae
– Diadelphous stamen
– Marginal placentation
– Large posterior petal

34. Butterfly shaped corolla, monocarpellary ovary and zygomorphic flowers are found in family
(1) Caesalpinoideae (2) Solanaceae (3) Papilionaceae (4) Graminae
Sol. Answer (3)
Papilionaceae / Fabaceae
– Butterfly shaped corolla
– Monocarpellary ovary
– Zygomorphic

35. Most primitive and advanced families of dicots are respectively

(1) Solanaceae and Asteraceae (2) Leguminosae and Poaceae
(3) Ranunculaceae and Asteraceae (4) Asteraceae and Cucurbitaceae
Sol. Answer (3)
Primitive families (dicot) - Ranunculaceae
Advanced dicot families - Asteraceae

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Solution of Assignment Morphology of Flowering Plants 101

SECTION - C
Previous Year Questions
1. Leaves become modified into spines in [AIPMT-2015]
(1) Silk Cotton (2) Opuntia (3) Pea (4) Onion
Sol. Answer (2)

2. Keel is the characteristic feature of flower of [AIPMT-2015]

(1) Tomato (2) Tulip (3) Indigofera (4) Aloe
Sol. Answer (3)

3. Perigynous flowers are found in [AIPMT-2015]

(1) Rose (2) Guava (3) Cucumber (4) China rose
Sol. Answer (1)

4. K(5)C(5)A5 G(2) is the floral formula of [AIPMT-2015]

(1) Brassica (2) Allium (3) Sesbania (4) Petunia

Sol. Answer (4)

5. Which one of the following statements is correct? [AIPMT-2014]

(1) The seed in grasses is not endospermic
(2) Mango is a parthenocarpic fruit
(3) A proteinaceous aleurone layer is present in maize grain
(4) A sterile pistil is called a staminode
Sol. Answer (3)
A proteinaceous aleurone layer is present in maize grain

6. An example of edible underground stem is : [AIPMT-2014]

(1) Carrot (2) Groundnut (3) Sweet potato (4) Potato
Sol. Answer (4)
Potato is edible underground stem.

7. Placenta and pericarp are both edible portions in : [AIPMT-2014]

(1) Apple (2) Banana (3) Tomato (4) Potato
Sol. Answer (3)
In tomato, placenta and pericarp both are edible portions.

8. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed
as : [AIPMT-2014]
(1) Vexillary (2) Imbricate (3) Twisted (4) Valvate
Sol. Answer (2)
Imbricate aestivation – One internal, one external and others margin overlapping.

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9. An aggregate fruit is one which develops from : [AIPMT-2014]

(1) Multicarpellary syncarpous gynoecium (2) Multicarpellary apocarpus gynoecium
(3) Complete inflorescence (4) Multicarpellary superior ovary
Sol. Answer (2)
Aggregate fruit – Multicarpellary apocarpous gynoecium

10. Non-albuminous seed is produced in [AIPMT-2014]

(1) Maize (2) Castor (3) Wheat (4) Pea
Sol. Answer (4)
Non-albuminous seed – Dicot (exception caster)
e.g., Pea

11. Seed coat is not thin, membranous in [NEET-2013]

(1) Coconut (2) Groundnut (3) Gram (4) Maize
Sol. Answer (1)
In coconut, seed coat is membranous.

12. Among bittter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli,
plum, petunia, tomato, rose, withania, potato, onion, aloe, and tulip how many plants have hypogynous flower?
[NEET-2013]
(1) Ten (2) Fifteen (3) Eighteen (4) Six
Sol. Answer (2)
Plants have hypogynous flower.
– Mustard, Brinjal, China rose, Sunnhemp, Bean, Gram, Lupin, Chilli, Petunia, Tomato, Withania, Potato,
Onion, Aloe, Tulip

13. In china rose the flower are [NEET-2013]

(1) Actinomorphic, epigynous with valvate aestivation
(2) Zygomorphic, hypogynous with imbricate aestivation
(3) Zygomorphic, epigynous with twisted aestivation
(4) Actinomorphic, hypogynous with twisted aestivation
Sol. Answer (4)
China rose flowers are
– Actinomorphic
– Hypogynous
– Twisted aestivation

14. Placentation in tomato and lemon is [AIPMT (Prelims)-2012]

(1) Marginal (2) Axile (3) Parietal (4) Free central
Sol. Answer (2)
Axile placentation. e.g., Tomato & Lemon

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Solution of Assignment Morphology of Flowering Plants 103
15. Vexillary aestivation is characteristic of the family [AIPMT (Prelims)-2012]
(1) Solanaceae (2) Brassicaceae (3) Fabaceae (4) Asteraceae
Sol. Answer (3)
Fabaceae family – Vexillary aestivation

16. Phyllode is present in [AIPMT (Prelims)-2012]

(1) Australian Acacia (2) Opuntia (3) Asparagus (4) Euphorbia
Sol. Answer (1)
Phyllode is present in Australian Acacia.

17. How many plants in the list given below have composite fruits that develop from an inflorescence? Walnut, poppy,
radish, fig, pineapple, apple, tomato, mulberry [AIPMT (Prelims)-2012]
(1) Two (2) Three (3) Four (4) Five
Sol. Answer (2)

18. Cymose inflorescence is present in [AIPMT (Prelims)-2012]

(1) Trifolium (2) Brassica (3) Solanum (4) Sesbania
Sol. Answer (3)
Solanum shows cymose inflorescence

19. Which one of the following organisms is correctly matched with its three characteristics ?
[AIPMT (Mains)-2012]
(1) Pea : C3 pathway, Endospermic seed, Vexillary aestivation
(2) Tomato: Twisted aestivation, Axile placentation, Berry
(3) Onion: Bulb, Imbricate aestivation, Axile placentation
(4) Maize : C3 pathway, Closed vascular bundles, Scutellum
Sol. Answer (4)

20. How many plants in the list given below have marginal placentation ?
Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicine, Onion, Moong, Pea, Tobacco. Lupin
[AIPMT (Mains)-2012]
(1) Four (2) Five (3) Six (4) Three
Sol. Answer (3)

21. The 'Eyes' of the potato tuber are : [AIPMT (Prelims)-2011]

(1) Axillary buds (2) Root buds (3) Flower buds (4) Shoot buds
Sol. Answer (1)

22. Which one of the following statements is correct? [AIPMT (Prelims)-2011]

(1) Flower of tulip is a modified shoot (2) In tomato, fruit is a capsule
(3) Seeds of orchids have oil - rich endosperm (4) Placentation in Primose is basal
Sol. Answer (1)
Flower of tulip is a modified shoot.

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104 Morphology of Flowering Plants Solution of Assignment

23. The correct floral formula of chilli is : [AIPMT (Prelims)-2011]

(1) K5 C5 A(5)G2 (2) K(5)C5 A(5)G(2) (3) K(5)C(5)A5G(2) (4) K(5) C(5) A(5)G2
+ + +
Sol. Answer (3)
Floral formula of soyabean


+ K(5)C(5)A5G(2)

24. A drupe develops in : [AIPMT (Prelims)-2011]

(1) Tomato (2) Mango (3) Wheat (4) Pea
Sol. Answer (2)
A drupe develops in mango.

25. Flowers are Zygomorphic in : [AIPMT (Prelims)-2011]

(1) Datura (2) Mustard (3) Gulmohur (4) Tomato
Sol. Answer (3)
Flowers in Gulmohur are zygomorphic.

26. Whorled simple leaves with reticulate venation are present in [AIPMT (Mains)-2011]
(1) China Rose (2) Alstonia (3) Calotropis (4) Neem
Sol. Answer (2)
Alstonia (Dicot)
– Whorled simple leaves
– Reticulate venation

27. Which one of the following pairs is wrongly matched while the remaining three are correct?
[AIPMT (Mains)-2011]
(1) Bryophyllum – Leaf buds (2) Agave – Bulbils
(3) Penicillium – Conidia (4) Water hyacinth – Runner
Sol. Answer (4)

28. Sweet potato is homologous to [AIPMT (Mains)-2011]

(1) Ginger (2) Turnip (3) Potato (4) Colocasia
Sol. Answer (2)
Sweet potato, a modified root is homologous to Turnip.

29. Which one of the following diagrams represents the placentation in Dianthus? [AIPMT (Mains)-2011]

(1) (2) (3) (4)

Sol. Answer (4)

Free central placentation is present in Dianthus.

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Solution of Assignment Morphology of Flowering Plants 105
30. The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other
monocotyledons? [AIPMT (Prelims)-2010]
(1) Plumule (2) Cotyledon (3) Endosperm (4) Aleurone layer
Sol. Answer (2)
Single cotyledon in monocot seed is scutellum.

31. Keel is characteristic of the flowers of [AIPMT (Prelims)-2010]

(1) Bean (2) Gulmohur (3) Cassia (4) Calotropis
Sol. Answer (1)
Keel is characteristic of the flower of fabaceae family. e.g., Bean

32. In unilocular ovary with a single ovule the placentation is [AIPMT (Prelims)-2010]
(1) Axile (2) Marginal (3) Basal (4) Free central
Sol. Answer (3)
In unilocular ovary with a single ovule the placentation is basal.
eg. Poaceae, Asteraceae.

33. Ovary is half-inferior in the flowers of [AIPMT (Prelims)-2010]

(1) Cucumber (2) Guava (3) Plum (4) Brinjal
Sol. Answer (3)
Flowers of half inferior ovary – Plum, Rose, Peach

34. Which one of the following is a xerophytic plant in which the stem is modified into the flat, green and succulent
structure? [AIPMT (Mains)-2010]
(1) Opuntia (2) Casuarina (3) Hydrilla (4) Acacia
Sol. Answer (1)
Phylloclade
– Stem modification
– Flat green and succulent structure
– Photosynthetic
e.g., Opuntia

35. Aestivation of petals in the flower of cotton is correctly shown in [AIPMT (Mains)-2010]

(1) (2) (3) (4)

Sol. Answer (4)

Aestivation of petals in the flower of cotton is twisted.

36. The correct floral formula of soyabean is [AIPMT (Mains)-2010]

(1) % + K(5)C1+(2)+2A(9)+1G1 (2) % + K5C1+(2)+2A(9)+1G1 (3) % + K(5)C1+2+(2)A(9)+1G1 (4) % + K(5)C1+2+(2)A1+(9)G1

Sol. Answer (3)

Floral formula of Chilli

%
+ K(5) C1+ 2 + (2) A(9) + 1 G1-
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106 Morphology of Flowering Plants Solution of Assignment

37. Examine the figures (A-D) given below and select the right option out of 1-4, in which all the four structures
A, B, C and D are identified correctly
Structures :

[AIPMT (Mains)-2010]
Options :

A B C D
(1) Rhizome Sporangiophore Polar cell Globule

(2) Runner Archegoniophore Synergid Antheridium

(3) Offset Antheridiophore Antipodals Oogonium
(4) Sucker Seta Megaspore Gemma cup
mother cell
Sol. Answer (3)

38. Consider the following four statements A, B, C and and select the right option for two correct statements
Statements
A. In vexillary aestivation, the large posterior petal is called - standard, two lateral ones are wings and two
small anterior petals are termed keel

B. The floral formula for Liliaceae is + + P(3+3)A3+3G(3) .

(C) In pea flower the stamens are monadelphous

(D) The floral formula for Solanaceae is + + K(3)C(3)A(4)+G(2) .

The correct statements are [AIPMT (Mains)-2010]

(1) (A) and (C) (2) (A) and (B) (3) (B) and (C) (4) (C) and (D)
Sol. Answer (2)

In pea flower the stamens are diadelphous floral formula of Solanaceae - 

+ K(5)C(5)A5G(2)

39. Vegetative propagation is Pistia occurs by [AIPMT (Mains)-2010]

(1) Stolen (2) Offset (3) Runner (4) Sucker
Sol. Answer (2)

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Solution of Assignment Morphology of Flowering Plants 107

40. The floral formula + K5C(5)A5G(2) is that of [AIPMT (Prelims)-2009]

(1) Soybean (2) Sunnhemp (3) Tobacco (4) Tulip

Sol. Answer (3)

 K(5) C(5) A(5) G(2) floral formula of Solanaceae family.

41. A fruit developed from hypanthodium inflorescence is called: [AIPMT (Prelims)-2009]

(1) Sorosis (2) Syconus (3) Caryopsis (4) Hesperidium
Sol. Answer (2)
Syconus fruit develops from hypanthodium inflorescence.

42. Vegetative propagation in mint occurs by : [AIPMT (Prelims)-2009]

(1) Offset (2) Rhizome (3) Sucker (4) Runner
Sol. Answer (3)

43. Cotyledons and testa respectively are edible parts in: [AIPMT (Prelims)-2009]
(1) Walnut and tamarind (2) French bean and coconut
(3) Cashew nut and litchi (4) Groundnut and pomegranate
Sol. Answer (4)
Plant Edible parts
Groundnut - Cotyledons
Pomegranate - testa

44. Thorn of Bougainvillea and tendril of cucurbita are example of AIPMT (Prelims)-2008]
(1) Retrogressive evolution (2) Analogous organs
(3) Homologous organs (4) Vestigial organs
Sol. Answer (3)

45. The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in
[AIPMT (Prelims)-2008]
(1) Cucumber (2) Pomegranate (3) Orange (4) Guava
Sol. Answer (2)
Balausta
– Fruit is chambered
– Inferior ovary
– Succulent testa
e.g., Pomegranate

46. Dry indehiscent single-seeded fruit formed bicarpellary syncarpous inferior ovary is [AIPMT (Prelims)-2008]
(1) Cremocarp (2) Caryopsis (3) Cypsela (4) Berry

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108 Morphology of Flowering Plants Solution of Assignment

Sol. Answer (3)

Cypsela fruit
– Dry and indehiscent
– Single seeded fruit
– Bicarpellary syncarpous
– Inferior ovary

47. Endosperm is consumed by developing embryo in the seed of [AIPMT (Prelims)-2008]

(1) Maize (2) Coconut (3) Castor (4) Pea
Sol. Answer (4)

48. Replum is present in the ovary of flower of [AIPMT (Prelims)-2008]

(1) Pea (2) Lemon (3) Mustard (4) Sunflower
Sol. Answer (3)
Replum, a false septum is present in the ovary of flower of mustard.

49. The fleshy receptacle of syconus of fig encloses a number of [AIPMT (Prelims)-2008]
(1) Mericarps (2) Achenes (3) Samaras (4) Berries
Sol. Answer (2)
The fleshy receptacle of syconus of fig encloses a number of Achenes

50. Pineapple (annanas) fruit develops from : [AIPMT (Prelims)-2006]

(1) A unilocular polycarpellary flower
(2) A multipistillate syncarpous flower
(3) A cluster of compactly borne flowers on a common axis
(4) A multilocular monocarpellary flower
Sol. Answer (3)
Pineapple is a composite fruit.

51. In which of the following fruits is the edible part the aril ? [AIPMT (Prelims)-2006]
(1) Custard apple (2) Pomegranate (3) Orange (4) Litchi
Sol. Answer (4)

52. Pentamerous, actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit a capsule or berry, are
characteristic features of : [AIPMT (Prelims)-2006]
(1) Asteraceae (2) Brassicaceae (3) Solanaceae (4) Liliaceae
Sol. Answer (3)
Solanaceae family
– Pentamerous actinomorphic flowers
– Bicarpellary ovary with oblique septa.
– Fruit (Capsule/berry)

53. Which of the following represents the edible part of the fruit of litchi ? [AIPMT (Prelims)-2005]
(1) Pericarp (2) Mesocarp (3) Juicy aril (4) Endocarp
Sol. Answer (3)

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Solution of Assignment Morphology of Flowering Plants 109
54. The ovary is half inferior in flowers of : [AIPMT (Prelims)-2011]
(1) Guava (2) Peach (3) Cucumber (4) Cotton
Sol. Answer (2)
Perigynous – Ovary is half inferior e.g., Peach, Rose, Plum etc

55. The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is
[AIPMT (Prelims)-2010]
(1) Polyadelphous (2) Monadelphous (3) Diadelphous (4) Polyandrous
Sol. Answer (2)
Androecium in a flower of China rose is Monadelphous

56. An example of axile placentation is : [AIPMT (Prelims)-2009]

(1) Dianthus (2) Lemon (3) Marigold (4) Argemone
Sol. Answer (2)
Axile placentation is found in Lemon.

57. What type of placentation is seen in sweet pea ? [AIPMT (Prelims)-2006]

(1) Basal (2) Axile (3) Free central (4) Marginal
Sol. Answer (4)
Marginal placentation is seen in sweet pea

58. Angiosperm, to which the largest flowers belong, is

(1) Total root parasite (2) Partial root parasite (3) Total stem parasite (4) Partial stem parasite
Sol. Answer (1)
Rafflesia is largest flowering plant, a total root parasite.

59. The plant, which bears clinging roots, is

(1) Screw pine (2) Podostemon (3) Trapa (4) Orchid
Sol. Answer (4)
Orchid is an epiphytes so for support it bears clinging roots / climbing roots.

60. Pneumatophores are found in

(1) The vegetation which is found in marshy and saline lake
(2) The vegetation which is found in acidic soil
(3) Xerophytes
(4) Epiphytes
Sol. Answer (1)
Pneumatophores are found in plant which is found in marshy and saline lake.

61. In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order
(1) Root cap, cell division, cell enlargement, cell maturation
(2) Root cap, cell division, cell maturation, cell enlargement
(3) Cell division, cell enlargement, cell maturation, root cap
(4) Cell division, cell maturation, cell enlargement, root cap

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110 Morphology of Flowering Plants Solution of Assignment

Sol. Answer (1)

Order of zones of root (from tip upward)
Root cap  Cell division  Cell enlargement  Cell maturation

62. A plant bears fruit, has a column of vascular tissue and a tap root system. This plant is a/an
(1) Angiosperm and dicot (2) Gymnosperm and dicot
(3) Angiosperm and monocot (4) Gymnosperm and monocot
Sol. Answer (1)
Dicot plant
– Bears fruit
– Vascular tissue
– Tap root system

63. What is the eye of potato?

(1) Axillary bud (2) Accessory bud (3) Adventitious bud (4) Apical bud
Sol. Answer (1)
Eye of potato is axillary bud.

64. How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium
(Oleander) have opposite phyllotaxy?
(1) Two (2) Three (3) Four (4) Five
Sol. Answer (2)
Opposite phyllotaxy
– Guava
– Calotropis
– Ocimum

65. The lid of pitcher in pitcher plant, is the modification of

(1) Leaf apex (2) Leaf base (3) Petiole (4) Lamina
Sol. Answer (1)
Lid of pitcher in pitcher plant is modification of leaf apex.

66. A pair of insectivorous plants is

(1) Dionaea and Viscum (2) Venus fly trap and Rafflesia
(3) Drosera and Rafflesia (4) Nepenthes and bladderwort
Sol. Answer (4)
Nepenthes and Bladderwort – Insectivorous plants

67. The ability of the Venus Flytrap to capture insects is due to

(1) Specialized “muscle-like” cells
(2) Chemical stimulation by the prey
(3) A passive process requiring no special ability on the part of the plant
(4) Rapid turgor pressure changes
Sol. Answer (4)
Venus flytrap captures insects due to rapid turgor pressure changes.

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Solution of Assignment Morphology of Flowering Plants 111
68. In a cymose inflorescence the main axis
(1) Terminates in a flower
(2) Has unlimited growth
(3) Bears a solitary flower
(4) Has unlimited growth but lateral branches end in flowers
Sol. Answer (1)
The main axis terminates in a flower – Cymose inflorescence

69. Inflorescence is racemose in

(1) Soyabean (2) Brinjal (3) Tulip (4) Aloe
Sol. Answer (1)
Soyabean (fabaceae) shows Racemose inflorescence.

70. Hypanthodium is a specialized type of

(1) Fruit (2) Inflorescence (3) Thalamus (4) Ovary
Sol. Answer (2)
Hypanthodium is a specialised type of inflorescence

71. Hairs found in the inflorescence of Zea mays are the modification of
(1) Style (2) Stigma (3) Spathe (4) Filaments
Sol. Answer (1)
Hairs found in the Zea mays are the modification of style.

72. Floral features are chiefly used in angiosperms, identification, because

(1) Flowers can be safely pressed
(2) Reproductive parts are more stable and conservative than vegetative parts
(3) Flowers are nice to work with
(4) Flowers are of various colours
Sol. Answer (2)
In angiosperms, floral features are chiefly used because reproductive parts are more stable and conservative
than vegetative parts.

73. Tetradyanamous condition occurs in

(1) Cruciferae (2) Malvaceae (3) Solanaceae (4) Liliaceae
Sol. Answer (1)
Tetradynamous condition occurs in cruciferae.

74. Anthesis is a phenomenon which refers to

(1) Reception of pollen by stigma (2) Formation of pollen
(3) Development of anther (4) Opening of flower bud
Sol. Answer (4)
Anthesis – Opening of flower bud.

75. Pappus in sunflower family is the modification of

(1) Hairs (2) Anthers (3) Calyx (4) Corolla
Sol. Answer (3)
Pappus in sunflower family is the modification of calyx.

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76. How many plants in the list given below have composite fruits that develop from an inflorescence?
Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry.
(1) Two (2) Three (3) Four (4) Five
Sol. Answer (2)
Composite fruits are – fig, pineapple, mulberry etc.

77. Which of the following is a ‘true fruit’?

(1) Banana (2) Pineapple (3) Apple (4) Pear
Sol. Answer (1)
True fruit – Banana
False fruit – Pineapple, apple, pear

78. Coir is the commercial product of coconut’s

(1) Endocarp (2) Endosperm (3) Pericarp (4) Mesocarp
Sol. Answer (4)
Coir is the commercial product of coconut's mesocarp

79. Aril represents the edible part of

(1) Mango (2) Apple (3) Banana (4) Litchi
Sol. Answer (4)
Aril represents the edible part of litchi.

80. Which plant will lose its economic value, if its fruits are produced by induced parthenocarpy?
(1) Orange (2) Banana (3) Grape (4) Pomegranate
Sol. Answer (4)
Pomegranate will lose its economic value if its fruits are produced by induced parthenocarpy.

81. Edible part in coconut is

(1) Endosperm (2) Pericarp (3) Mesocarp (4) Fleshy aril
Sol. Answer (1)
Edible part in coconut is endosperm.

82. Geocarpic fruit is

(1) Carrot (2) Radish (3) Ground nut (4) Turnip
Sol. Answer (3)
Ground nut is geocarpic fruit.

83. Which is correct pair for edible part?

(1) Tomato-thalamus (2) Maize-cotyledons (3) Guava-mesocarp (4) Date palm-mesocarp
Sol. Answer (4)
Mesocarp is edible part in date palm.

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Solution of Assignment Morphology of Flowering Plants 113
84. Edible part of banana is
(1) Epicarp (2) Mesocarp and less developed endocarp
(3) Endocarp and less developed mesocarp (4) Epicarp and mesocarp
Sol. Answer (3)
Edible part of banana is endocarp and less developed mesocarp.

85. Edible part in mango is

(1) Mesocarp (2) Epicarp (3) Endocarp (4) Epidermis
Sol. Answer (1)
Edible part of mango is mesocarp.

86. Geocarpic fruit is

(1) Potato (2) Peanut (3) Onion (4) Garlic
Sol. Answer (2)
Peanut is geocarpic fruit.

87. Juicy hair-like structures observed in the lemon fruit develop from
(1) Exocarp (2) Mesocarp
(3) Endocarp (4) Mesocarp and endocarp
Sol. Answer (3)
Juicy hair-like edible structure in lemon is endocarp.

88. Select correct statement w.r.t. hard walled berry.

(1) Multiseeded fruit developing from superior ovary (2) Edible part is juicy unicellular hairs

(3) Develops from G(3) (4) Develops from G(3)

Sol. Answer (3)

Hard walled berry develops from G(3) .

89. Scutellum in a caryopsis represents

(1) Outermost layer of endosperm (2) A sheath that protects the radicle
(3) The place where the seed is attached to raphe (4) A cotyledon
Sol. Answer (4)
Single cotyledon in monocot is scutellum.

90. An example of a seed with endosperm, perisperm and caruncle is

(1) Castor (2) Cotton (3) Coffee (4) Lily
Sol. Answer (1)
Caster seed
– Endospermic
– Perispermic
– Bears caruncle

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114 Morphology of Flowering Plants Solution of Assignment

91. Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicine, Sweet pea, Petunia, Indigofera, Mustard,
Soybean, Tobacco and groundnut how many plants have corolla with valvate aestivation?
(1) Five (2) Six (3) Seven (4) Eight
Sol. Answer (3)

92. Which is expressing right appropriate pairing?

(1) Brassicaceae - Sunflower (2) Malvaceae - Cotton
(3) Papilionaceae - Catechu (4) Liliaceae – Wheat
Sol. Answer (2)
Collon plants belong to Malvaceae family.

93. Bicarpellary gynoecium and oblique ovary occur in

(1) Mustard (2) Banana (3) Pisum (4) Brinjal
Sol. Answer (4)
Bicarpellary gynoecium and oblique ovary occur in brinjal.

SECTION - D
Assertion-Reason Type Questions
1. A : In head inflorescence florets are arranged centrifugally.
R : There always occurs two types of florets in a head.
Sol. Answer (4)
In head inflorescence florets are arranged centripetally.

2. A : Staminal tube is present in Malvaceae.

R : It is due to monadelphous condition.
Sol. Answer (1)
Fact based and reason is correct explanation of assertion.

3. A : Prop roots are rope like showing oblique growth.

R : Prpp roots are adventitious roots for extra-support and assimilation.
Sol. Answer (4)
Prop roots are rope-like showing vertical growth.

4. A : The storage region of maize grain is whitish or yellow.

R : It is rich in protein granules.
Sol. Answer (3)
The storage region of maize grain is rich in starch granules.

5. A : There are two alae in Pisum sativum flower.

R : Both alae are covered by largest petal.
Sol. Answer (2)
Fact based question.

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Solution of Assignment Morphology of Flowering Plants 115
6. A : Corm grows vertically beneath soil surface.
R : It bears nodes, internodes, buds & green leaves.
Sol. Answer (3)
Corm bears nodes, internodes, buds and scaly leaves

7. A : In Smilax, stipule changes into tendril & helps in climbing.

R : Parallel venation is found in this plant.
Sol. Answer (3)
Smilax is monocot but shows reticulate venation.

8. A : Androecium of Cucurbita is synandrous.

R : Anthers as well as filaments of stamens are united throughout their whole length.
Sol. Answer (1)
Fact based question.

9. A : Nucellus remains persistent in the seeds of black pepper

R : It is haploid parenchymatous tissue.
Sol. Answer (3)
Nucellus is diploid parenchymatous tissue.

10. A : Epiphyllous roots arise from the margins of leaf lamina.

R : Epiphyllous roots help in vegetative reproduction.
Sol. Answer (2)
Fact based question.

  

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