Reproduction in Organisms Class 12 MCQs Questions with Answers

1. Identify the correct sequence of events:

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

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

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

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

8. Budding, in hydra, is a form ________

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

10. __________ shows totipotency

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

12. Deposition of calcareous shell around zygote occurs in:

13. Viviparity is found in:

14. Vegetative propagation in Pistia occurs by:

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

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

17. The wall of the ovary forms:

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

19. Sugarcane is propagated by:

20. In animals, juvenile phase is followed by: