Who won the Bal Sahitya Puruskar 2019 in Hindi

The first Indian Cooperative Societies Act was passed in the year:

Which group of microorganisms is commonly used as bio-fertilizers to fix atmospheric nitrogen?

Ratooning is practiced in which of the following crops?

What is the primary advantage of hydroponics in horticulture?

In onion, smell occurs due to the presence of?

Which of the following is not matched correctly? 

Which of the following is not the characteristic feature  of  class Insecta? 

Rice variety IR–36 belongs to the groups of:

Which allelopathy type involves the release into the environment of compound that is toxic after chemical modification by micro-organisms? 

Rhizobium plays important role in ...