Class 10 Science Chapter 8 How Do Organisms Reproduce Quiz 8 (25 MCQs)

Quiz Instructions

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1. The correct sequence of events of sexual reproduction in flowers is:
2. State the function of triploid endosperm?
3. What do budding, binary fission and spore formation have in common?
4. For a stem cutting to be able to give rise to a new plant, it should have at least
5. Which of the following statements are true for flowers?(i) Flowers are always bisexual(ii) They are the sexual reproductive organs(iii) They are produced in all groups of plants(iv) After fertilisation they give rise to fruits
6. Require two organisms, where two sex cells come together to reproduce an offspring.
7. A-Germ cell creation machinery is located outside body in males.R-It is safer for the cells and tissues.
8. All of these animals are pollinators EXCEPT
9. Bryophyllum can be propagated vegetatively by the
10. Watermelon is a ..... flower.
11. In human females, an event that reflects onset of reproductive phase is
12. The rapid spreading of bread mould on slices of bread is due to:(i) Presence of large number of spores in air.(ii) Presence of large number of thread-like branched hyphae.(iii) Presence of moisture and nutrients.(iv) Formation of round shaped sporangia.
13. A-Multiple fission produces many daughter cells simultaneouslyR-Multiple fission occurs during favourable conditions.
14. Factors responsible for the rapid spread of bread mould on slices of bread are(i) large number of spores.(ii) availability of moisture and nutrients in bread.(iii) presence of tubular branched hyphae.(iv) formation of round shaped sporangia.
15. What is a chromosome?
16. Longitudinal binary fission takes place in case of
17. Which of the following organism reproduces by multiple fission?
18. Lippes loop is a hormone releasing IUD.
19. In a seed, Plumule is called future ..... and radical is called future .....
20. A-Ovaries are the primary reproductive organs in a womanR-The function of ovaries is to make mature female sex cells and female sex hormones.
21. The part of the female reproductive system where fertilization takes place
22. Amoeba reproduces by means of
23. The testes produce the male sex hormone called
24. The flowers in which stamens and pistils are present are called .....
25. In Grafting base stem is called .....