Reproduction in Organisms Class 12 MCQs Questions with Answers

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

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

3. Vegetative propagation in Pistia occurs by:

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

5. Deposition of calcareous shell around zygote occurs in:

6. Viviparity is found in:

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

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

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

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

11. In animals, juvenile phase is followed by:

12. Identify the correct sequence of events:

13. __________ shows totipotency

14. The wall of the ovary forms:

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

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

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

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

19. Budding, in hydra, is a form ________

20. Sugarcane is propagated by: