Which of the following layers of the atmosphere makes

India has a monopoly in the production of which type of silk? 

Which of the following is not a characteristic of Prokaryotic cell? 

Vertical standards are:

If a consumer purchases various quantities of goods or services due to the price change of related goods is called?

Which of the following practice reduce soil erosion, evapotranspiration, kinetic energy impact of rain drops?

The fungi that degrades lignin as well as cellulose from agricultural waste

Chemical formula of Gypsum is?

A situation when all possible outcomes are known with probability is called as

Which type of seed production involves controlled pollination?

When two well developed breeds are crossed alternatively is knowns as ?