Reproduction in Organisms Class 12 MCQs Questions with Answers

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

2. Identify the correct sequence of events:

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

4. Vegetative propagation in Pistia occurs by:

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

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

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

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

9. The wall of the ovary forms:

10. In animals, juvenile phase is followed by:

11. Deposition of calcareous shell around zygote occurs in:

12. Sugarcane is propagated by:

13. Viviparity is found in:

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

15. __________ shows totipotency

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

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

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

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

20. Budding, in hydra, is a form ________