ZOOLOGY BOTANY CHEMISTRY

Describe the importance of vegetative propagation in economically important plants. (SHORT ANSWER QUESTIONS) (3MARK)

Briefly explain Gemmule Formation in sponges. Write its significance. (SHORT ANSWER QUESTIONS) (2MARK)

Why do moss plants produce very large number of male gametes ? Provide one reason. What are these gametes called? (SHORT ANSWER QUESTIONS) (2MARK) (CBSE 2015) (OD SET-I)

A moss plant is unable to complete its life cycle in a dry environment. State two reasons. (SHORT ANSWER QUESTIONS) (2MARK) (CBSE 2015) (OD SET-II)

(a) Why are the plants raised through micropropagation termed as somaclones ? (b) Mention two advantages of this technique. (SHORT ANSWER QUESTIONS) (2MARK) (CBSE 2015) (OD SET-I)

What do the following parts of the flower develop into after fertilisation ? (a) ovary....... (b) Ovules........ (SHORT ANSWER QUESTIONS) (2MARK) (NCERT EXAMPLER)