Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Reproduction in Organisms

Short Answer Type

51. What is life span ?

168 Views

52. Write the approximate average life span of following organisms :

May fly, wheat, monkey, dog, cat, horse, elephant, eagle, man, parrot, tortoise, Banyan tree and sequoia tree. Name the oldest tree.

156 Views

53. Distinguish between asexual and sexual reproduction. Why is vegetative reproduction also considered as a type of asexual reproduction ?

372 Views

54. List the different ways of asexual reproduction.

140 Views

Long Answer Type

55. Discuss the advantages and disadvantages of asexual reproduction.

485 Views

Short Answer Type

56. What is vegetative propagation ? Give two suitable examples.

Vegetative propagation. Regeneration of new plants from plant portions is called vegetative propagation. these structures which give rise to a new offspring are called vegetative propagules e.g. rhizome, bulb, tuber etc.

Examples.
1. In Century plant (Agave sp.) flowers, buds develop into bulbils which drop to the ground and develop into new plants.
2. Potato tubers possess buds which grow into new plants.

412 Views