20% students (boys + girls) in a sports class are boys.

Conducting method demonstration is based on the principle of

Average gestation period of cow is: 

Essentiality of zinc in plant was discovered in 1926 by

Chemical formula of Gypsum is?

System of Rice Intensification (SRI) method has been introduced from which country?

The practice of selling agricultural products well below their cost of production to eliminate competitors is known as:

What is the primary function of the Malpighian tubules in arthropods?

Additives which are used to maintain a uniform dispersion of one liquid in another, such as oil in water.

What is the average percentage of alcohol content by volume in wine?

Detasseling is done in maize to ______