Question

Surbhi along with her younger sister Vibha loved going to field with parents. She helped taking out certain plants from the field using khurpi She told Vibha. that only selected plants need to be uprooted Vibha asked her why only specific plants need to be pulled Surbhi explained that these were weeds which are not desired with the crop.
(i) Why is it essential to remove weeds ?
(ii) Name two common weeds ?
(iii) What values are exhibited by Surbhi here ?

CBSE Class IX Science SA 2 (3 Marks)

Answer 1

(i) Weeds take up nutrients and reduce the growth of crop. (ii) Xanthium, Parthenium, Cyperinus rotundus. (iii) Values associated : Family bonding, sharing knowledge.