Strategies for ...

Nitrogen fixation by Rhizobium is increased in the presence of :

Most herbicide interfere with :

Pests resistant to insecticides have :

A widely cultivated rice variety which has solved food problem in Asia and has been developed by IRRI Manila (Philippines)

Secondary home (Centre of production) of coffee is

Which of the following is the cyanobacterial group acting as biofertilizer ?

Which pesticide is lipophilic ?

In a gene bank, genetic material is stored in the form of :

Which of the following is a weedicide?

The aquatic Fern, which is an excellent biofertilizer is :

Botanical name of Jojoba is:

The pesticide most toxic to vertebrates are :

What is triticale?

The bioconcentration of DDT in the body fat of Indian people :

Integrated pest management (IPM) is based on :

Which of the following is a chlorinated hydrocarbon ?

Crossing with wild relatives is beneficial because it helps in the transfer of gene of ?

Green manuring increases crop yield by :

Thuriocide is :

Genetic erosion is due to :