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MCQs for Sexual Reproduction in Flowering Plants
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MCQs for Sexual Reproduction in Flowering Plants
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25 Questions

1. Nonessential floral organs in a flower are
2. An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
3. Pollen kitt is generally found in
4. Heterostyly as a contrivance for cross-pollination is found in
5. The outermost and innermost wall layers of microsporangium in an anther are respectively
6. The total number of nuclei involved in double fertilisation in angiospersm are
7. From among the sets of terms given below, identify those that are associated with the gynoecium.
8. In angiosperms various stages of reductional division can best be studied in
9. The three cells found in a pollen grain when it is shed at 3-celled stage are
10. The innermost layer of anther is tapetum whose function is
11. The stamens represent
12. Plants with ovaries having only one or a few ovules are generally pollinated by
13. Persistent nucellus is called as _______ and is found in _______.
14. How many meiotic divisions are required for the formation of 100 pollen grains ?
15. The part of gynoecium that determines the compatible nature of pollen is
16. How many pollen mother cells should undergo meiotic division to produce 64 pollen grains ?
17. Several pollen grains form a unit designated as pollinium in Family
18. The anther wall consists of four wall layers where
19. Callase enzyme which dissolves callose of pollen tetrads to separate four pollens is provided by
20. Study of pollen grains is called
21. _______of the pollen grain divides to form two male gametes.
22. Mature ovules are classified on the basis of funiculus. If micropyle comes to lie close to the funiculus the ovule is termed as
23. Megasporangium along with its protective integuments is called
24. Coleoptile and coleorhiza are the protective sheaths _______ covering _______ and _______ respectively.
25. What is the function of filiform apparatus in an angiospermic embryo sac?

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