What significant event did INS Shivalik complete before

On the basis of climatic condition, Walnut is an example of which type of fruit crop?

The greenhouse effect in the atmosphere is produced due to

Which of following is appropriate for a clay soil:

Which is not caused by the plant parasitic nematode?

The gas used for filling weather balloons is-

Which caste of honeybee has the primary function of impregnating the young queen and is physically incapable of performing the work of the hive?

Who is the founder of Zero Budget Natural Farming?

Chir pine is common name of:

Which regulatory body oversees and implements environmental laws and policies in India?

Chlorophyll a is a primary pigment in photosynthesis, but what role do accessory pigments such as chlorophyll b and carotenoids play?