Reproduction in Organisms Class 12 MCQs Questions with Answers

1. If a leaf cell of Agave has x chromosomes then what will be the number of chromosomes in a cell of its bulbil?

2. There is no natural death in single celled organisms like Amoeba and bacteria because

3. In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?

4. A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________ gametes.

5. Vegetative propagation in Pistia occurs by:

6. Sugarcane is propagated by:

7. The wall of the ovary forms:

8. When living tissue from a plant is extracted and placed in a medium, it is called _____

9. In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?

10. __________ shows totipotency

11. The development of root and shoot in tissue culture is determined by _____

12. Budding, in hydra, is a form ________

13. Planaria’s most remarkable characteristics are its ability to

14. Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because 

15. Fertilisation cannot occur in absence of surface water in:

16. Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because:

17. Identify the correct sequence of events:

18. Viviparity is found in:

19. Deposition of calcareous shell around zygote occurs in:

20. In animals, juvenile phase is followed by: