This practice test includes 25 Important questions from the chapter sexual reproduction in flowering plants class 12th Biology.
Sexual Reproduction in Flowering Plants – Class 12th Biology Practice Test| MCQs For NEET
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Questions
Q1. The anther wall consists of four wall layers where
middle layers lie between endothecium and tapetum
Q2. Anther is generally
tetrasporangiate
Q3. The stamens represent
The stamens represent microsporophylls
Q4. Nonessential floral organs in a flower are
Nonessential floral organs in a flower are sepals and petals
Q5. Science of cultivation, breeding, marketing and arrangement of flowers is called
Science of cultivation, breeding, marketing and arrangement of flowers is called floriculture
Q6. From among the sets of terms given below, identify those that are associated with the gynoecium
Rest are not associated with gynoceium
Q7. During microsporogenesis, meiosis occurs in
meiosis occurs in microspore mother cells
Q8. The outermost and innermost wall layers of microsporangium in an anther are respectively
epidermis and tapetum.
Q9. Embryo sac is to ovule as _______ is to an anther.
Q10. An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
apogamy is development of embryo from any cell of embryo sac other than egg.
Q11. Polyembryony commonly occurs in
Citrus
Q12. Indentify the wrong statement regarding post-fertilisation development
The outer integument of ovule develops into seed.
Q13. Persistent nucellus is called as _______ and is found in _______.
Q14. In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______
Q15. Endospermic seeds are found in
All of these are endosperm seeds.
Q16. Spiny or sticky pollen grains and large, attractively coloured flowers are associated with
entomophily involves insects.
Q17. Which of the following is not a water pollinated plant ?
Cannabis isn’t pollinated by water
Q18. Plants with ovaries having only one or a few ovules are generally pollinated by
Ovaries with many ovules are pollinated by birds or insects.
Q19. Feathery stigma occurs in
Q20. Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in
papaya
Q21. Even in absence of pollinating agents seed-setting is assured in
It is only seen in Commelina.
Q22. Both chasmogamous and cleistogamous flowers are present in
Commelina shows Both chasmogamous and cleistogamous flowers
Q23. Polygonum type of embryo sac is
8 – nucleate, 7 – celled
Q24. The female gametophyte of a typical dicot at the time of fertilisation is
Q25. What is the function of filiform apparatus in an angiospermic embryo sac?
Guides the pollen tube into a synergid
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Sexual Reproduction in flowering plants class 12 important MCQ for NEET exam