The toxicants which kill the pests on coming in direct contact are known as

  • A
    Surface poisons
  • B
    Contact poisons
  • C
    Fumigants
  • D
    None of the above

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Find the correct match.
Column-$I$Column-$II$
$A$. Cross breeding$P$. Sardines
$B$. Bee keeping$Q$. Hisardale
$C$. Fisheries$R$. Mule
$D$. Interspecific hybridization$S$. Apis indica

The White Revolution is associated with which industry?

New varieties of plants can be produced by:

Which are the top five cereals in the world in terms of annual production?

Credit for bringing the green revolution to India goes to

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