What are those crops called which are grown in the winter season?

Why should biological control methods be preferred for protecting crops?

Distinguish between intercropping and mixed cropping. List any two advantages of intercropping over mixed cropping.

State the differences between "Mixed Farming" and "Mixed Cropping".

Sameer once went to his granny's home with his family and he saw his granny serving water from an earthen pot and was surprised to see that and asked granny why she has kept that earthen pot for storing water. His granny then answered him that it keeps the water cool during summers,he then smiled and thanked her.
$(a)$ According to you,how does water kept in an earthen pot become cool during summers?
$(b)$ What kind of qualities are shown by Sameer?

Which one of the following fishes is a surface feeder?