Who is the present executive director of rubber board?

While complete biodegradation of metals is not feasible, the concept of ________ is considered a valid approach in effectively managing metal pollution.

Among the following, who first used the term Nanotechnology?

The scientific name of dammer bee is _____

……… used in tractor transmission for attaching combine harvester and thresher to tractor.

Bluing of rose petal is due to:

Which river basin cover the largest surface water irrigation in India?

Pyrethrin is extracted from which flower?

The Government of India in 1997 launched the Targeted Public Distribution System (TPDS) to benefit about __________poor families.

Lactose sugar of milk is converted into Lactic acid by