What type of the device is a

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

In which order of insects can the Neopterous and Paleopterous wing conditions be observed?

The copper deficiency in wheat under rice-wheat system in sandy soils can be corrected by

Which of the following methods is used for maintaining breeder’s seed in self-fertilized crops?

Which of the following is a method of insect control? not

Where was the Mitti Bachao (Save the soil) Movement started in India?

What is the full form of SoFTeL?

Which of the following is not a fiber crop? 

Awned varieties give more yield under drought situations as compared to awnless varieties and the contribution of awns in photosynthesis to grain is 

What is the ESP of saline-alkaline soils?