Reproduction in Organisms Class 12 MCQs Questions with Answers

1. In animals, juvenile phase is followed by:

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

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

4. Viviparity is found in:

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

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

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

8. The wall of the ovary forms:

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

10. Budding, in hydra, is a form ________

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

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

13. Identify the correct sequence of events:

14. Sugarcane is propagated by:

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

16. Deposition of calcareous shell around zygote occurs in:

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

18. Vegetative propagation in Pistia occurs by:

19. __________ shows totipotency

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