Reproduction in Organisms Class 12 MCQs Questions with Answers

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

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

3. Sugarcane is propagated by:

4. In animals, juvenile phase is followed by:

5. Deposition of calcareous shell around zygote occurs in:

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

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

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

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

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

11. Vegetative propagation in Pistia occurs by:

12. __________ shows totipotency

13. The wall of the ovary forms:

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

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

16. Viviparity is found in:

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

18. Budding, in hydra, is a form ________

19. Identify the correct sequence of events:

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