Question

Assertion (A) Leguminous plants are best preferred in rotation of crops.
Reason (R) They have root nodules, which have nitrogen-fixing bacteria Clostridium.

• A. If both A and R are true and R is the correct explanation of A
• B. If both A and R are true, but R is not correct explanation of A
• C. If A is true, but R is false
• D. If A is false, but R is true

Answer 1

Answer: (C)

Assertion is true, but Reason is false. Reason can be corrected as
Leguminous crops are grown in rotation of crops. These plants have the ability to fix atmospheric nitrogen to form nitrogen compounds through the help of certain bacteria, like Rhizobium, present in their root nodules. In rotation of crops, leguminous crops like pulses, beans, peas, groundnut and Bengal gram are sown in between the seasons of cereal crops like wheat, maize and pearl millet. These are leguminous plants when grown alternately with non-leguminous plants restore the fertility of the soil.