Which physical instrument is used to measure the

Tips of ecological pyramid is occupied by

Gynoecious lines are often utilized in the hybrid development of which vegetable crop to enhance yield

India is largest producer and consumer of which agriculture commodity?

Fanging is related to

In siphoning type of mouth parts, proboscis is composed of:

Which one of the following is the delta of crop if the duty of water for a base period of 120 days is equal to 1200 ha.?

Which process involves the removal of sodium ions from soil?

Which of the following is affected first under water stress conditions?

Uredospores of Puccinia graminis are dispersed by:

Eugenol  is the important chemical content of: