CBSE Notes, Lectures

CBSE - Biology - Improvement in Food Resources

Improvement in Food Resources

Short Answer Type

Give one word for the following

(a) Farming without the use of chemicals as fertilizers, herbicides and pesticides is
known as __________.
Ans. organic farming.
(b) Growing of wheat and groundnut on the same field is called as __________.
Ans. mixed cropping.
(c) Planting soyabean and maize in alternate rows in the same field is called as __________.
Ans. inter cropping.
(d) Growing different crops on a piece of land in pre-planned succession is known as
__________.
Ans. crop rotation.
(e) Xanthium and Parthenium are commonly known as __________.
Ans. weeds.
(f) Causal organism of any disease is called as __________.
Ans. pathogen

.