Question : Which of the following are Rabi crops only?

Option 1: Maize and peas

Option 2: Barley and gram

Option 3: Paddy and cotton

Option 4: Wheat and jowar

Question : Three crops that contribute maximum to global food grain production are ----------

Option 1: wheat, rice barley

Option 2: rice, maize, sorghum

Option 3: wheat, maize, sorghum

Option 4: wheat, rice, maize

Question : The first phase of the Green Revolution was restricted largely to two crops and the regions where they were grown. Which of the following pairs best represents these two crops?

Option 1: Rice, corn

Option 2: Wheat, rice

Option 3: Cotton, indigo

Option 4: Millet, wheat

Question : A good proportion of the ______ produced during the Green Revolution period (available as marketed surplus) was sold by the farmers in the market.

Option 1: rice and gram

Option 2: wheat and maize

Option 3: wheat and rice

Option 4: wheat and gram

Question : Evaluate the following.
$\sin 25° \sin 65° – \cos 25° \cos 65°$

Option 1: 4

Option 2: 1

Option 3: 0

Option 4: 40