Custom Practice Test - 29-Jun Contact Number: 8527521718

5. Why do wind-pollinated plants such as grasses

Biology produce large feathery stigmas and lightweight,
1. In some plants, the thalamus contributes to fruit non-sticky pollen grains?
formation. Such fruits are termed as: To increase the chances of self-pollination
1.
1. False fruits within a flower.
2. Aggregate fruits To maximize pollen capture from air currents for
3. True fruits 2.
successful fertilization.
4. Parthenocarpic fruits To ensure pollination only occurs when insects
3.
are absent.
2. Microsporogenesis involves:
To promote the formation of larger and more
Mitosis followed by Meiosis followed by 4.
1. 2. colourful flowers that attract pollinators.
meiosis mitosis
3. Only meiosis 4. Only mitosis
6. Which of the following is the correct sequence of
events in a pollen sac?
3. Which of the following set represents the correct
sporangia → meiosis → two haploid cells →
labeling of A, B, C and D with respect to the given 1.
meiosis → two pollen grains per cell
diagram?
pollen grain → meiosis → two generative cells
2.
→ two tube cells per pollen grain
two haploid cells → meiosis → generative cell
3.
→ tube cell-fertilization → pollen grain
microsporocyte → meiosis → microspores →
4.
mitosis → two haploid cells per pollen grain

7. Self-incompatibility:
I: prevents inbreeding
A- Seed Coat, B- Cotyledon, C- Endosperm, D - II: is a genetic mechanism
1.
Hypocotyle prevents self-pollen from fertilising the ovules
A -Seed Coat, B- Scutellum, C- Endocarp, D - III: by inhibiting pollen germination or pollen tube
2.
Mesocarp growth in the pistil.
A- Seed Coat, B- Scutellum, C- Microphyle, D -
3.
Endocarp Only I and III are
1. Only I and II are correct 2.
4. A-Pericarp, B - Coleoptile correct
Only II and III are
3. 4. I, II and III are correct
correct
4. For artificial hybridisation experiment in bisexual
flower, which of the sequences is correct?
Bagging → Emasculation → Cross pollination →
1.
Rebagging
Emasculation → Bagging → Cross pollination →
2.
Rebagging
Cross pollination → Bagging → Emasculation →
3.
Rebagging
Self-pollination → Bagging → Emasculation →
4.
Rebagging

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8. Consider the given two statements: 12. Cryopreservation is a technique that involves
The exine of pollen grains is made up storing biological material in liquid nitrogen at:
Statement I: of sporopollenin, which provides 1. 0°C
structural integrity and protection. 2. - 4°C
Sporopollenin can be degraded by 3. -100°C
Statement II: 4. -196°C
enzymes and environmental factors.

13. What would be true for filiform apparatus?

1. Both Statement I and Statement II are correct.
It is a part of synergids and guides the entry of
2. Both Statement I and Statement II are incorrect. 1.
the pollen tube into the embryo sac.
Statement I is correct but Statement II is
3. It is a part of synergids and allows the
incorrect.
2. germination of only the right type of pollen on
Statement I is incorrect but Statement II is the stigma.
4.
correct.
It is a part of antipodals and guides the entry of
3.
the pollen tube into the embryo sac.
It is a part of antipodals and allows the
9. The flowers of Amorphophallus provide safe
4. germination of only the right type of pollen on
place for the pollinator to lay eggs. This is an the stigma.
example of:
1. Amensalism 2. Anemophily
3. Floral reward 4. Commensalism 14. In angiosperms, the seed is:
I: the final product of sexual reproduction.
II: is often described as a fertilized ovule.
10. A typical angiosperm embryo sac at maturity is: III: is formed inside fruits.
1. 7-nucleate and 7-celled 1. Only I and II are correct
2. 8-nucleate and 8-celled 2. Only I and III are correct
3. 8-nucleate and 7-celled 3. Only II and III are correct
4. 7-nucleate and 8-celled 4. I, II, and III are correct

11. In the given diagram showing the TS of a 15. What is the role of synergid cells in the
typical angiosperm anther, which part represents angiosperm ovule?
the layer with cells that may be binucleate? 1. Nutrition of the developing embryo
2. Production of the seed coat
3. Attraction and guidance of the pollen tube
4. Direct involvement in fertilization

16. Wind-pollinated flowers often produce a much

larger quantity of pollen grains compared to water-
pollinated flowers:
to compensate for the unpredictability of wind
1.
currents
because wind-pollinated flowers have multiple
2.
ovules
because they are often brightly coloured and
3.
attract more pollinators
4. due to the high stickiness of their pollen grains
1. (i) 2. (ii)
3. (iii) 4. (iv)

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17. To sustain animal visits, the flowers have to 20. Match the following structures with their
provide rewards to the animals. functions during the reproduction in flowering
Nectar and pollen grains are the usual floral plants:
A:
rewards. Column I Column II
In some species floral rewards are in providing Feeds the developing
B: A Pollen Tube P
safe places to lay eggs. embryo
Site of pollen grain
B Stigma Q
1. Only A is correct 2. Only B is correct landing
Both A and B are Both A and B are Allows the sperm to
3. 4. C Endosperm R
correct incorrect reach the ovule
Entry point for pollen
D Micropyle S
tube into ovule
18. Consider the given two statements: Codes:
Wind and water pollinated flowers A B C D
produce enormous amount of 1. S Q R P
Assertion(A): pollen when compared to the
2. R Q P S
number of ovules available for
pollination. 3. P R Q S
Both wind and water pollinated 4. Q P S R
Reason (R): flowers are not very colourful
and do not produce nectar.
21. The mucilaginous covering on the pollen grains
of water-pollinated plants primarily serves to:
Both (A) and (R) are True and (R) correctly
1. 1. prevent them from drying out
explains (A).
2. protect them from wetting
Both (A) and (R) are True but (R) does not 3. attract aquatic insects
2.
correctly explain (A). 4. enhance their buoyancy in water
3. (A) is True; (R) is False
4. Both (A) and (R) are False 22. Consider the given two statements:
For some bryophytes and
Assertion
pteridophytes, their distribution
(A):
19. Consider the given two statements: on land is limited.
The polar nuclei in the embryo sac Such bryophytes and pteridophytes
Statement I: are present in the central cell and are Reason (R): need water for the transport
involved in double fertilization. of male gametes and fertilisation.
The antipodal cells are located at the
micropylar end of the embryo sac Both (A) and (R) are True and (R) correctly
Statement II: 1.
and assist in the fertilization explains (A).
process. Both (A) and (R) are True but (R) does not
2.
correctly explain (A).
1. Both Statement I and Statement II are correct. 3. (A) is True; (R) is False
2. Both Statement I and Statement II are incorrect. 4. Both (A) and (R) are False
Statement I is correct but Statement II is
3.
incorrect.
Statement I is incorrect but Statement II is
4.
correct.

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23. Identify the incorrect statement: 26. Consider the two statements:
In dicotyledonous embryos, the epicotyl The process of formation of
1.
terminates with the plumule or stem tip. megaspores from the megaspore
Statement I:
The root cap in a monocot embryo is enclosed mother cell is called
2. megasporogenesis.
in a sheath called coleorrhiza.
In the grass family, the cotyledon is called the The process of formation of pollen
3. Statement II: grains from the pollen mother cell is
scutellum.
The scutellum in monocotyledons is situated called microsporogenesis.
4.
towards the lower end of the embryonal axis.
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
24. Megaspores are produced from the megaspore 3. Statement I is incorrect; Statement II is correct
mother cells after: Statement I is incorrect; Statement II is
1. Mitotic division 4.
incorrect
2. Formation of a thick wall
3. Differentiation
4. Meiotic division 27. Geitonogamy
is the transfer of pollen grains from the anther
25. Consider the given two statements:
I: to the stigma of another flower of the same
Pollination by water is quite rare in plant.
Statement I: flowering plants, limited to about 30
is genetically cross-pollination involving a
genera, mostly monocotyledons. II:
pollinating agent
Water is a regular mode of transport
III: functionally is similar to autogamy
for the male gametes among the
Statement II:
lower plant groups such as algae,
bryophytes and pteridophytes. 1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
1. Statement I is correct; Statement II is correct
4. I, II and III are incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect 28. In water-pollinated species like Vallisneria, how
Statement I is incorrect; Statement II is does pollination occur?
4.
incorrect Male flowers are carried passively by water
1.
currents to the submerged female flowers.
Male flowers release pollen grains that float on
2. the surface and are carried to the stigma of the
female flowers.
Pollen grains are released by the male flowers
3.
and actively swim towards the female flowers.
Male flowers release sticky pollen grains that
4.
cling to aquatic animals for pollination.

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29. What distinguishes albuminous seeds from ex- 32.

albuminous seeds? Assertion (A): An apple is considered a "true fruit".
Albuminous seeds have residual endosperm, In botanical terms, a fruit in apple
1.
while ex-albuminous seeds do not. develops from only the ovary of a
Reason (R):
Albuminous seeds lack a seed coat, while ex- flower after fertilization, containing
2.
albuminous seeds have one. seeds within.
Ex-albuminous seeds are produced by
3.
monocots, albuminous by dicots. Both (A) and (R) are True and (R) correctly
1.
Ex-albuminous seeds develop underground, explains (A).
4. whereas albuminous seeds develop above Both (A) and (R) are True and (R) does
2.
ground. not correctly explain (A).
3. (A) is True; (R) is False
4. Both (A) and (R) are False
30. Regarding the use of animals as pollinating
agents by flowering plants, how many of the given
statements are true? 33. Consider the given two statements:
Majority of flowering plants use a range of Flowering plants have developed
I:
animals as pollinating agents. many devices to discourage self-
Birds except sunbirds and humming birds are Assertion (A):
II: pollination and to encourage cross-
common pollinators. pollination.
III: Bats also pollinate some plants. Majority of flowering plants produce
Among the animals, insects, particularly bees hermaphrodite flowers and pollen
IV: Reason (R):
are the dominant biotic pollinating agents. grains are likely to come in contact
No known reptile is a pollinating agent for any with the stigma of the same flower.
V:
plant.
1. Both (A) and (R) are True and (R) explains (A)
1. 2 2. 3 Both (A) and (R) are True and (R) does not
2.
3. 4 4. 5 explain (A)
3. (A) is True but (R) is False
4. (A) is False but (R) is True
31. Oxalis, and Commelina produce
I: Chasmogamous flowers
II: Cleistogamopus flowers
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II

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34. How many of the given statements regarding 37. Match each item in Column I with one in
endosperm tissue in angiosperms are correct? Column II and select the correct match from the
In the most common type of endosperm codes given:
development, the primary endosperm nucleus Column I Column II
(PEN) undergoes successive nuclear divisions [Cell] [Ploidy]
I:
to give rise to free nuclei, and subsequently cell A PEC PN
wall formation occurs and the endosperm B Zygote Q 2N
becomes cellular.
C Megaspore R 3N
The number of free nuclei formed before
II: Codes:
cellularization is uniform in all angiosperms.
A B C
The coconut water from tender coconut that
1. P Q R
you are familiar with, is nothing but free-nuclear
III: endosperm (made up of thousands of nuclei) 2. Q R P
and the surrounding white kernel is the cellular 3. R Q P
endosperm. 4. R P Q

1. 0
2. 1 38. The embryo of grass seed is enclosed within:
3. 2 1. a single protective sheath: the coleoptile
4. 3 2. a single protective sheath: the coleorrhiza
two protective sheaths: a coleoptile covering the
35. Which of the following statements correctly
3. young shoot and the coleorrhiza covering the
explains why apomixis can be considered
young root
advantageous for hybrid seed production?
two protective sheaths: a coleoptile covering the
It allows the formation of multiple embryos
1. 4. young root and the coleorrhiza covering the
within a seed.
young shoot
It enables seed formation without the need for
2.
pollination and fertilization.
It prevents genetic recombination, ensuring that 39. Pollen grains have a prominent two-layered
3.
hybrid traits are maintained in progeny. wall. The outer hard layer, known for its resilience
It results in the production of seeds with double to harsh environmental conditions, is made up of:
4.
the amount of chromosomes as the parent. 1. Sporopollenin
2. Cellulose
3. Pectin
36. In what way is the pollination mechanism in 4. Chitin
Yucca species an example of a highly specialized
pollination strategy?
The flowers of Yucca can only be pollinated by
1. one specific moth species, which also lays eggs
in the ovary.
Yucca species rely on wind for pollination but
2.
produce sticky pollen grains to ensure efficiency.
The flowers of Yucca attract multiple pollinators,
3.
ensuring higher rates of fertilization.
The pollination of Yucca depends entirely on
4. water currents, which transport pollen to
submerged flowers.

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40. Match each item in Table I with one in Table II 42. Basically the animal pollinators visit the
and select the correct match from the codes given: flowers:
Table I: 1. for harvesting the reward(s) from the flower
A. B. C. for protective resemblance with the
2.
surroundings
for accumulating toxins in their bodies to avoid
3.
predation
for collecting micronutrients like essential
4. elements necessary for their reproductive
functions

43. Identify the incorrectly matched pair:

Triploid nutritive tissue of a
1. seed deposited externally to Perisperm
Table II the embryo sac
A dissected flower of Hibiscus showing pistil The tissue that arises from the
P. 2. ripened ovary wall of a fruit; Pericarp
where other floral parts have been removed
Q. Multicarpellary, syncarpous pistil of Papaver the fruit wall
Multicarpellary, apocarpous gynoecium of The natural or artificially
R. 3. induced production of fruit Parthenocarpy
Michelia
without fertilisation of ovules
Codes: Asexual reproduction where
A B C the growth and development of
4. Parthenogenesis
embryos occur without
1. P Q R
fertilization by sperm
2. P R Q
3. Q R P
4. R P Q 44. Flowers which have single ovule in the ovary
and are packed into inflorescence are usually
pollinated by:
41. During the formation of a monosporic embryo 1. Bee 2. Wind
sac in angiosperms, the functional megaspore 3. Bat 4. Water
undergoes:
1. two mitotic divisions
2. two meiotic divisions 45. Identify the correct statements:
3. three meiotic divisions
There is no residual endosperm in mature
4. three mitotic divisions I:
seeds of pea and groundnut.
Mature seeds of wheat and maize are
II:
albuminous.
Perisperm is seen in mature seeds of black
III:
pepper and beet.

1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III

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46. The number of cells in fully developed male 51. The pericarp in fruits develops from which part
gametophytes in angiosperms is: of the flower?
1. 3 2. 2 in 60% and 3 in 40% 1. Ovule
3. 4 4. 1 2. Thalamus
3. Ovary wall
4. Style
47. Cryopreservation is a technique used to
52. How many of the given statements are correct?
preserve cells, tissues, or any other biological
I: Vallisneria and Hydrilla grow in fresh water
constructs by cooling them to very low
II: Zostera is a marine sea-grass
temperatures. At what temperature, typically
III: All aquatic plants use water for pollination.
involving liquid nitrogen, is cryopreservation carried
IV: Water lily is pollinated by insect.
out to ensure the long-term preservation of
biological samples? 1. 1 2. 2
1. −20°C 3. 3 4. 4
2. −80°C
3. −150°C
4. −196°C 53. An endosperm cell of an angiosperm is found
to have 30 chromosomes. What would be the
48. Pollination by water: chromosome number in the root cell of this
I: is quite common in flowering plants angiosperm?
II: is limited to about 30 genera, mostly 1. 5 2. 10
dicotyledons 3. 20 4. 15
1. Only I is correct
2. Only II is correct
3. Both I and II are correct 54. All the following structures are part of the
4. Both I and II are incorrect microsporangium's wall layers in an anther except:
1. Epidermis
49. What type of pollination takes place in
2. Endothecium
Vallisneria?
3. Tapetum
Pollination occurs in submerged conditions by 4. Intine
1.
water.
Flowers emerge above the surface of water and 55. Consider the given two statements:
2.
pollination occurs by insects. Assertion Angiosperms exhibit double
Flowers emerge above the water surface and (A): fertilization.
3.
pollen is carried by the wind. Two fusion events occur in each
Reason
Male flowers are carried by water currents to embryo sac, namely syngamy and
4. (R):
female flowers at the surface of the water. triple fusion.

Both (A) and (R) are True and (R) correctly

50. The cultivation of flowers or flowering plants, 1.
explains (A).
especially for ornamental purposes is called as: Both (A) and (R) are True but (R) does not
ornamental 2.
1. 2. floriculture correctly explain (A).
horticulture 3. (A) is True; (R) is False
3. floristry 4. plant tissue culture 4. Both (A) and (R) are False

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56. A collective term for the parts of a flower that 61. Endosperm is completely consumed by the
produce ovules and ultimately develop into the fruit developing embryo before seed maturation in all
and seeds is: the following except:
1. Pistil 1. pea
2. Megasporophyll 2. groundnut
3. Gynoecium 3. beans
4. Carpel 4. castor

57. A syncarpus gynoecium has: 62. Consider the given two statements:
1. a single pistil Wind-pollinated plants often have
Assertion (A):
2. no pistils long and feathery stigmas.
3. multiple free pistils The large surface area of feathery
4. more than one fused pistils Reason (R): stigmas increases the chance of
catching pollen grains from the air.
58. Artificial hybridization involves which two key
steps to ensure controlled pollination?
Both (A) and (R) are True and (R) is the correct
1. Self-incompatibility and bagging 1.
explanation of (A).
2. Cross-pollination and emasculation
3. Pollen germination and bagging Both (A) and (R) are True but (R) is not the
2.
4. Emasculation and bagging correct explanation of (A).
3. (A) is True but (R) is False.
59. Consider the given two statements: 4. Both (A) and (R) are False.
Majority of insect-pollinated flowers
Assertion(A):
are large, colourful, and fragrant
Animals are attracted to flowers by 63. Match the following examples with their
Reason (R): associated processes:
colour and/or fragrance.
Column-A Column-B
Both (A) and (R) are True and (R) correctly Persistent endosperm in
1. 1. Coconut water a.
explains (A). mature seed
Both (A) and (R) are True but (R) does not Pea and
2. 2. b. Free-nuclear endosperm
correctly explain (A). groundnut
3. (A) is True; (R) is False 3. Castor seed c. Non-albuminous seed
4. Both (A) and (R) are False Wheat and
4. d. Albuminous seed
maize
Options:
60. Consider the given two statements: 1. 1-b, 2-c, 3-a, 4-d
Polyembryony is the occurrence of 2. 1-c, 2-b, 3-d, 4-a
Assertion (A): 3. 1-a, 2-d, 3-c, 4-b
more than one embryo in a seed.
In certain species like Citrus and 4. 1-d, 2-a, 3-b, 4-c
Reason (R): Mango, the female gametophytes
has multiple egg cells.

Both (A) and (R) are True and (R) correctly

1.
explains (A)
Both (A) and (R) are True but (R) does not
2.
correctly explain (A)
3. (A) is True but (R) is False
4. Both (A) and (R) are False

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64. Why are cleistogamous flowers always 68. Which one of the following statements is
autogamous? correct?
Their flowers open before pollination occurs, 1. Cleistogamous flowers are always autogamous
1.
ensuring self-pollination. 2. Xenogamy occurs only by wind pollination
The anthers and stigma are far apart, preventing 3. Chasmogamous flowers do not open at all
2.
cross-pollination. Geitonogamy involves the pollen and stigma of
The flowers never open, ensuring that pollen 4. flowers of different plants
3. grains contact the stigma within the same
flower.
The stigma and anthers mature at different 69. Consider the given two statements:
4.
times. Synergids play an important role in
Assertion(A):
fertilization in angiosperms.
Synergids are a part of the egg
65. During artificial hybridisation experiments: Reason (R):
apparatus of the embryo sac.
If the female parent produces unisexual flowers,
I:
there is no need for emasculation. Both (A) and (R) are True and (R) correctly
The female flower buds are never bagged as 1.
II: explains (A).
well. Both (A) and (R) are True but (R) does not
1. Only I is correct 2.
correctly explain (A).
2. Only II is correct
3. (A) is True; (R) is False
3. Both I and II are correct
4. Both I and II are incorrect 4. Both (A) and (R) are False

66. Consider the given two statements:

70. Which of the following statements is true about
In angiosperms, seed formation is a
Assertion (A): dependable process of sexual
polyembryony?
reproduction. It refers to the presence of multiple cotyledons
1.
in the embryo.
In angiosperms, reproductive
processes such as pollination and It is the formation of multiple embryos from a
Reason (R): 2.
fertilisation are independent of single fertilized egg.
water. It occurs only in albuminous seeds, such as
3.
wheat and rice.
Both (A) and (R) are True and (R) It results from the division of nucellar or
1. 4.
correctly explains (A) integumentary cells to form additional embryos.
Both (A) and (R) are True and (R) does not
2.
correctly explain (A)
3. (A) is True but (R) is False
4. (A) is False but (R) is True

67. During the formation of the female

gametophyte in angiosperms, cell walls are laid
when the developing female gametophyte reaches:
1. 2 nucleate stage
2. 4 nucleate stage
3. 6 nucleate stage
4. 8 nucleate stage

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71. How many of the given statements are correct: 74. Persistent nucellus in the seed is known as:
Endosperm development precedes embryo 1. Tegmen 2. Chalaza
I:
development. 3. Perisperm 4. Hilum
The coconut water from tender coconut is
II:
cellular endosperm.
The white kernel in coconut is free nuclear 75. In the female gametophyte of angiosperms,
III:
endosperm. filiform apparatus is a part of:
Endosperm is completely consumed by the 1. Synergids
IV: 2. Antipodals
developing embryo in pea.
Endosperm persists in the mature seed of 3. Central cell
V: 4. Egg
castor.
1. 2
76. Match each item in Column I with one in
2. 3
Column II and select the best match from the
3. 4
codes given:
4. 5
Column I Column II
72. Identify the incorrect statement: A. Non- albuminous seeds P. pea, groundnut
The primary endosperm nucleus undergoes B. Albuminous seeds Q. wheat, maize
1. successive nuclear divisions to form free- C. Perisperm present R. black pepper, beet
nuclear endosperm.
The surrounding white kernel of the coconut is Codes:
2.
composed of free-nuclear endosperm. A B C
The cells of the triploid endosperm tissue are 1. P Q R
3.
rich in reserve food materials. 2. P R Q
Endosperm development precedes embryo 3. R P Q
4. development to ensure nutrition for the 4. R Q P
developing embryo.

77. In the given diagram, the correctly labelled

73. In the given diagram showing the TS of wall of
parts are:
an anther, identify the layer where cells can be
binucleate:

1. A 2. B
3. C 4. D 1. Only E 2. Only D and E
3. Only A and C 4. Only B

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78. Pollens that cause pollinosis [nasal allergy due 83. Following compatible pollination:
to pollen] are expected to belong to flowers that are the pollen germinates on the stigma to produce
pollinated by: I: a pollen tube through one of the germ pores
1. Water 2. Wind present in the pollen intine.
3. Insects 4. Bats the contents of the pollen grain move into the
II:
pollen tube.
pollen tube grows through the tissues of the
III:
79. Endosperm in angiosperms: stigma and style and reaches the ovary.
1. develops after embryo development has begun. if pollen grains are shed at two-celled condition
2. is a diploid tissue. the generative cell divides and forms the two
IV:
provides nutrition in the form of starch to the male gametes during the growth of pollen tube
3. in the stigma.
developing embryo.
is completely consumed by the developing 1. Only I, II and III are correct
4. 2. Only I, III and IV are correct
embryo in angiosperms
3. Only II, III and IV are correct
4. I, II, III and IV are correct
80. Why does endosperm development precede
embryo development during post-fertilization 84. Match each item in Column I with one in
events? Column II and select the correct match from the
codes given:
To provide structural support to the developing
1. Column I Column II
zygote.
To promote the formation of the seed coat Prevents both
2. Pollen viability for
before embryo development. A P autogamy and
months
geitonogamy
3. To ensure the formation of the cotyledons first.
Pollen viability for Rosaceae and
To nourish the developing embryo with stored B Q
4. less than 30 minutes Solanaceae
food reserves.
Monoecious Prevents autogamy
C R
condition but not geitonogamy
81. In artificial hybridisation for crop improvement, D Dioecious condition S Rice and Wheat
if the female parent produces unisexual flowers, Codes:
there is no need for: A B C D
I: Emasculation 1. S Q R P
II: Bagging 2. S Q P R
1. Only I 3. Q S P R
2. Only II 4. Q S R P
3. Both I and II
4. Neither I nor II
85. Functional megaspore in an angiosperm
82. Tapetum: develops into:
is the outermost layer in the wall of 1. Endosperm 2. Embryo sac
1.
microsporangium
3. Embryo 4. Ovule
2. helps in the protection of the pollen grains
3. helps in dehiscence of anther
has cells that generally have more than one
4.
nucleus

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 Custom Practice Test - 29-Jun Contact Number: 8527521718

86. Which alphabets represent scutellum, epiblast, 90. If both male and female flowers are present on
and coleorhiza in the given figure? the same plant such as castor and maize:
I: the plants are called as monoecious
II: it prevents autogamy but not geitonogamy

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

Fill OMR Sheet*

*If above link doesn't work, please go to test link from
where you got the pdf and fill OMR from there

Scutellum Epiblast Coleorhiza

1. A D G
2. B C E
3. A D F CLICK HERE to get
4. B D G
FREE ACCESS for 2
87. In black pepper and beet: days of ANY NEETprep
1. seed are formed without fertilisation
2. remnants of nucellus are persistent course
3. seeds are ex-albuminous
4. parthenocarpy is common in natural conditions

88. In angiosperms, after entering one of the

synergids, the number of male gametes released
into the cytoplasm of the synergid by the pollen
tube is:
1. 1 2. 2
3. 3 4. 4

89. Seeds retain a part of endosperm as it is not

completely used up during embryo development in
all of the following, except:
1. wheat 2. maize
3. castor 4. groundnut

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