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Sexual Reproduction in Flowering Plants — NEET UG Biology PYQs

52 previous year questions from Sexual Reproduction in Flowering Plants with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

52 questionsBiologySolutions on every page
1

Self incompatibility is seen in

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Formation of the megaspore from the megaspore mother cell involves a __________.

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During grafting, the part of the rooted plant is called __________ to which the part of the stem containing more than one bud is joined.

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Which one of the following is NOT an outbreeding device to promote cross pollination?

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Given below are two statements. Statement I - In anther, each cell of sporogenous tissue is capable of giving rise to microspore tetrad. Statement II - A wall of mature anther whic

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In the given diagram of pollen grain, identify the labels 'A' and 'B'

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Given below are two statements. Statement I - Adventive embryony gives rise to a condition called polyembryony. Statement II - Generally, Nicotiana plants produced by non-recurrent

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Heteroanthy is always associated with ________.

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Given below are two statements. Statement I - Inner sporogenous cell is formed from archesporial cell by mitotic division. Statement II - Outer parietal cell formed from archespori

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Angiosperms depend on external agents for pollination because ________ .

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Repeated nuclear division without formation of cell wall and appearance of large central vacuole pushing the newly formed nuclei towards the periphery is observed in ________ endos

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Which of the following phenomena is observed in Citrus?

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In Sansvieria , vegetative propagation can be carried out by the process of _____.

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Which of the following sets of plants exhibit Ornithophily?

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Match the structures in the Angiospermic embryosac in List I with their correct ploidy levels in List II . List I (Structures in the Angiospermic embryosac) List II (Ploidy levels)

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Given below are the 4 layers of anther wall in angiosperms. (A). Epidermis. (B). Middle layers. (C). Tapetum. (D). Endothecium. From the options given below, choose the correct seq

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Match type of pollinating agent given in Column I with respective example given in Column II Column (I) Column (II) (A) Sunbirds (I) Chiropterophily (B) Bats (II) Entomophily (C) I

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Match type of outbreeding device given in Column I with respective example given in Column II Column (I) Column (II) (A) Protogyny (I) Calotropis (B) Herkogamy (II) Primula (C) Sel

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In an ovule, one of the male gamete fuses with haploid female gamete to produce a diploid zygote, the process is called

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Which of the following layer of anther wall shows fibrous thickenings?

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Which one of the following does NOT promote cross pollination?

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Identify the correct ratio of microspore mother cells, vegetative cells, generative cells and male gametes produced in a microsporangium, if 40 pollen grains are released from it.

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Select the INCORRECT statement from the following with respect to double fertilization.

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Given below are two statements. Statement I - Intine is made up of cellulose and pectin. Statement II - In most of the angiospermic plants, the pollen grains are shed from the anth

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Which of the following pair of plants has a nuclear type of endosperm?

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In dicots the fully developed embryo appears-------

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A female gametophyte of an angiospermic plant is developed from a megaspore mother cell by ------------------.

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All of the following aquatic plants are entomophilous EXCEPT

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Match List I with List II List I (Outbreeding device) List II (example) (A). Unisexuality (I). Gloriosa (B). Protandry (II). Mulberry (C). Protogyny (III). Apple (D). Prepotency (I

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Dioecy in some plants can prevent ________ .

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Which is NOT a common example of adventive polyembryony?

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In which type of apomixis, a haploid embryo sac produces a haploid embryo from an egg or any other haploid cell of gametophyte?

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Small, inconspicuous colorless flowers without nectar and fragrance are adaptations found in plants which are ____.

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Which one of the following is INCORRECT about double fertilization in angiosperms?

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During embryonal development in angiosperms, hypocotyl and a part of the radicle is formed by the lower tier of cells of the octant, whereas the other part of the radicle and root

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Given below are two statements about endosperms in angiosperms. Statement (I): Coconut has a nuclear type of endosperm with a multicellular outer part and a free nuclear vacuolated

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Which one of the following is of great significance in horticulture?

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Which one of the following is INCORRECT about non-recurrent apomixis?

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Identify the correct sequence of the anther wall layers from outer to inner in angiosperms. (A). Endothecium (B). Tapetum (C). Epidermis (D). Middle layer Choose the correct answer

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In angiosperms, when the pollen tube enters the ovule through micropyle, it is called ______.

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Which one of the following plants shows helobial type endosperm?

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Starting from the innermost part, the correct sequence of parts in an angiospermic ovule is

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Which of the following plants can lose "viability of its pollen grains just after 30 minutes of their dispersal"?

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Arrange the following events of microsporogenesis in the correct sequence: A) Meiosis B) Sporogenous tissue C) Microspore mother cell D) Microspore tetrads E) Pollen grain

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Which of the following is INCORRECT for recurrent apomixis?

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The outer thick layer of microspore is made up of -------------.

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The outbreeding device where anthers and stigmas mature at different times is called as -------------.

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In adventive polyembryony, an embryo develops directly from the diploid cell of ------------------------------.

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Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R). Assertion (A): Cleavage polyembryony is found in Citrus Reason (R): In Cleava

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If the synergid of an ovule contains 24 chromosomes, then what will be the number of chromosomes in its endosperm?

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Match List I with List II List I (Structure) List II (Function) (A). Hypophysis (I). Help in pushing embryo in the endosperm (B). Scutellum (II). Give rise to the part of radicle a

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Match the categories of apomixis given in Column I with examples given in Column II. Column- I Column-II A) Non-recurrent I) Lemon B) Adventive II) Nicotiana C) Recurrent III) Tara

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