Reproduction in Organisms Class 12 MCQs Questions with Answers

1. Sugarcane is propagated by:

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

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

4. __________ shows totipotency

5. The wall of the ovary forms:

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

7. Viviparity is found in:

8. Identify the correct sequence of events:

9. In animals, juvenile phase is followed by:

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

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

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

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

14. Budding, in hydra, is a form ________

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

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

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

18. Vegetative propagation in Pistia occurs by:

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

20. Deposition of calcareous shell around zygote occurs in: