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Class 12 Biology Chapter 2 Sexual Reproduction In Flowering Plants Quiz 17 (25 MCQs)

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1. Which parasitic plant contains thousands of tiny seeds?
2. The fusion product of polar nuclei and male gametes is
3. What is the viability period of pollen grains in rice and wheat plant?
4. Where are male gametes found in flowering plants?
5. The pollen grain is transferred from the anther to the .....
6. Nonessential floral organs in a flower are
7. What is the function of the micropyle in a seed?
8. Calyx
9. Egg apparatus of an embryo sac consists of-
10. What is the tube-like structure connecting the stigma to the ovary called?
11. The portion of the emrbyonal axis above the level of cotyledons is
12. Wind-pollinated flowers usually have ..... and ..... petals.
13. Which part of the flower produces female gametes?
14. The filliform apparatus is a structure in the flowering plants associated with
15. The female gametophyte of a typical dicot at the time of fertilization is:
16. The process of formation of microspores from a pollen mother cell (PMC) through meiosis is called
17. In the embryos of a typical dicot and a grass, the structures which represent the same thing are
18. The seed that contains the future plant is called the .....
19. Chorionic villi develops from .....
20. The two nuclei which are migrated from the opposite poles to the central cell are called
21. The outer three layers of anther wall perform the function of
22. The persistent nucellus in a seed is called:
23. Pollen grains collect on the ..... of a flower, which is often sticky or feathery.
24. Genetically self but functionally cross pollination is
25. A plant has 24 chromosomes in its microspore mother cell. The number of chromosomes in its endosperm will be
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