Which one of the following is an example of carrying out biological control of pests/diseases using microbes?

1. Trichoderma sp. against certain plant pathogens

2. Nucleopolyhedrovirus against white rust in Brassica

3. Bt-cotton to increase cotton yield

4. Ladybird beetle against aphids in mustard

A common biocontrol agent for the control of plant diseases is:

1. Baculovirus

2. Bacillus thuringiensis

3. Glomus

4. Trichoderma

Which of the following is not used as a biopesticide?

1. Bacillus thuringiensis

2. Trichoderma harzianum

3. Nucleopolyhedrovirus(NPV)

4. Xanthomonas campestris

A genetically engineered micro-organism used successfully in the bioremediation of oil spills is a species of:

1. Pseudomonas

2. Trichoderma

3. Xanthomonas

4. Bacillus