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

  • A
    $Trichoderma$ $sp.$ against certain plant pathogens.
  • B
    $Nucleopolyhedrovirus$ against white rust in $Brassica$.
  • C
    $Bt$-cotton to increase cotton yield.
  • D
    Ladybird beetle against aphids in mustard.

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The pathogen that causes disease in insects and arthropods is .......

What are bio-pesticides?

Match the following columns correctly:
Column-$I$ Column-$II$ Column-$III$
$(a)$ $B.T.$ bacteria $(p)$ Free-living fungi $(i)$ Arthropods
$(b)$ Trichoderma $(q)$ Bionematicides $(ii)$ Cereal crops
$(c)$ Baculovirus $(r)$ Cotton $(iii)$ Crop-sucking pests
$(d)$ Pseudomonas $(s)$ Symbiotic fungi $(iv)$ Nematodes
$(t)$ Quantum-$4000$ $(v)$ Crop disease control
$(u)$ Biological control

The cessation of reproduction in an organism by creating hurdles in its biology or physiology,or its destruction by the use of another organism,is known as:

The genus $Baculovirus$ includes which of the following?

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