41.
Select the nematode(s) which act as vectors of plant viruses

42.
Which type of spores of Puccinia graminis tritici infect the barberry plant

43.
Which is a wrong combination?

44.
Fertilisers containing free acid should be packed in

45.
Nitrogen is applied in splits to

46.
Heterodera is a

47.
ATP formation during photosynthesis is

48.
To apply NPK, an NP complex has to be supplemented with

49.
Sucidal germination take place In

50.
Besides water and light which is more essential as a raw material for food formation