Target DPP Test Contact Number: 8527521718

1. The central cell of the female gametophytes in 5. In which type of endosperm development does the
angiosperms: PEN undergo multiple nuclear divisions before
results in the formation of a diploid cell after double cellularisation?
1. 1. Cellular endosperm.
fertilisation.
2. has three haploid nuclei 2. Free-nuclear endosperm.
3. Albuminous endosperm.
after triple fusion becomes the primary endosperm
3. 4. Non-albuminous endosperm.
cell (PEC) and develops into the endosperm.
4. after syngamy develops into an embryo 6. Anthers in angiosperms:
are typically located at the tip of the filament of the
I:
stamen.
2. Find out the correct order (with respect to
are usually bilobed, each containing pollen sacs
development of male gametophyte) II:
called microsporangia.
III: dehisce, or split open, to release mature pollen.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

7. The number of ovules in an ovary is one in all the

following angiosperms except:
1. wheat
2. paddy
3. papaya
4. mango
1. D → A → C → B'
2. D → B → A → C 8. Most commonly, the pollens are shed at:
3. D → C → B → A (1) One celled staged
4. A → B → C → D (2) Two celled stage
(3) Three celled stage
3. A recent record of 2000 years old viable seed has been (4) Four celled stage
discovered during the archaeological excavation at King
Herod’s palace near the Dead Sea. This seed is of: 9. Consider the given two statements:
1. Lupinus arcticus 2. Phoenix dactylifera The majority of flowering plants produce
Statement I:
hermaphrodite flowers.
3. Strobilanthes kunthiana 4. Arabidopsis thaliana
The majority of flowering plants have a
Statement II: well-developed gametophyte and poorly
4. Consider the given two statements: developed sporophyte.
The zygote in a dicotyledonous embryo
Statement 1. Statement I is correct; Statement II is correct
divides to form the proembryo, which
I: 2. Statement I is correct; Statement II is incorrect
eventually develops into a mature embryo.
In dicotyledons, the cotyledons are 3. Statement I is incorrect; Statement II is incorrect
Statement
typically thin and contain no stored food 4. Statement I is incorrect; Statement II is correct
II:
reserves.

1. Both Statement I and Statement II are correct.

2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.

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 Target DPP Test Contact Number: 8527521718

10. Which of the following statements is false about 16. Which among the following is not a wall layer of
filiform apparatus? microsporangium?
1. The synergids have special cellular thickenings at the (1) Endothecium
micropylar tip called filiform apparatus (2) Nucellus
2. It plays an important role in guiding the pollen tubes (3) Tapetum
into the synergid (4) Middle layers
3. Both (a) and (b)
4. Pollen tube stimulates the formation of filiform 17. Consider the given two statements:
apparatus The flowers, pollinated by wind or
water, produce an enormous amount of
11. Nucellar polyembryony is seen in: Assertion (A):
pollen when compared to the number of
1. Citrus and Mango ovules available for pollination.
2. Castor and Pea Pollen grains coming in contact with the
3. Grasses and Mustard Reason (R): stigma is a chance factor in both wind
4. Orchids and China rose and water pollination.
12. The nutritive tissue present in the ovule is called
Both (A) and (R) are True but (R) does not correctly
(1) Nucellus 1.
explain (A).
(2) Funicle
(3) Embryo 2. (A) is True but (R) is False.
(4) Integuments Both (A) and (R) are True and (R) correctly explains
3.
(A).
13. Why does endosperm development precede embryo 4. (A) is False but (R) is True.
development during post-fertilization events?
To provide structural support to the developing
1.
zygote. 18. Edible part of apple is the
To promote the formation of the seed coat before (1) thalamus
2. (2) mesocarp
embryo development.
3. To ensure the formation of the cotyledons first. (3) epicarp
(4) endocarp
To nourish the developing embryo with stored food
4.
reserves.
19. Megasporangium is equivalent to
(1) embryo sac
(2) fruit
14. In artificial hybridisation for crop improvement, if (3) nucellus
the female parent produces unisexual flowers, there is no (4) ovule
need for:
I: Emasculation 20. In flowering plants, endosperm
II: Bagging 1. Is pre-fertilizing tissue
1. Only I 2. Development rarely involves free nuclear divisions
2. Only II 3. Development precedes embryo development
3. Both I and II 4. Is triploid tissue always
4. Neither I nor II
21. In artificial hybridization, why is emasculation
15. In over 60% of angiosperms, pollen grains are necessary for bisexual flowers?
released in which stage? To remove the stigma and prevent unwanted
1. Unicellular stage 1.
pollination
2. 2-celled stage To enhance the production of nectar and attract
3. 3-celled stage 2.
pollinators
4. Sporogenous stage
3. To remove the entire flower to prevent contamination
4. To remove the anthers and prevent self-pollination

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 Target DPP Test Contact Number: 8527521718

22. In Michelia, the gynoecium: 26. Filiform apparatus:

1. has multiple distinct carpels is special cellular thickening present in the synergids
2. has multiple carpels fused in a single bundle 1. which play an important role in guiding the pollen
3. has a single carpel tubes into the synergid.
4. has multiple carpels fused in multiple bundles is special cellular thickening present in the synergids
2. which play an important role in guiding the pollen
23. The given diagram shows a mature dehisced anther. tubes into the egg cell.
is special cellular thickening present in the egg cell
3. which play an important role in guiding the pollen
tubes into the synergid.
is special cellular thickening present in the antipodals
4. which play an important role in guiding the pollen
tubes into the synergid.

This process is coordinated precisely with

Statement
pollen differentiation, floral development, 27. Angiospermic plant with 24 chromosomes in
I:
and flower opening. microspore mother cells will have chromosomes in the
Anther dehiscence is the final function of endosperm:
Statement (1) 12
the anther that causes the release of pollen
II: (2) 24
grains.
(3) 36
Both Statement I and Statement II are True and (4) 48
1. Statement II is the correct explanation of Statement
I. 28. A typical angiosperm anther in transverse section
will show:
Both Statement I and Statement II are True but
two lobes, each lobe having two theca and each theca
2. Statement II is not the correct explanation of 1.
having two microsporangia
Statement I.
two lobes, each lobe having two theca and each theca
3. Statement I is True but Statement II is False. 2.
having four microsporangia
4. Statement I is False but Statement II is True.
two lobes, each lobe having two theca and each lobe
3.
having two microsporangia
24. The external environmental conditions that do not 4. two lobes, each lobe having two theca and each lobe
affect seed germination in most cases is: having four microsporangia
1. Adequate moisture
2. Water
3. Optimum temperature
4. Light

25. Division of functional megaspore can be described

as:
1. Three free nuclear mitotic divisions.
One meiotic and two mitotic divisions, all free
2.
nuclear.
3. Three cytoplasmic mitotic divisions.
One meiotic and two mitotic divisions, meiotic being
4.
cytoplasmic and mitotic being free nuclear.

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 Target DPP Test Contact Number: 8527521718

29. In the given diagram showing the TS of wall of an

anther, identify the layer where cells can be binucleate:

1. A 2. B
3. C 4. D

30. Genetic self-incompatibility tends to increase

(1) pollen dispersal
(2) inbreeding
(3) pollination
(4) outcrossing

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