41.
In C4 plants, initial carbon dioxide fixation occurs in chloroplasts of

42.
Passage of minerals from topsoil to subsoil through seepage of water is known as

43.
Plants exchange water with environment through structures by two cells

44.
CAN is a/an

45.
Organelles involved in photorespiration are

46.
In sugarcane, 14CO2 is fixed in malic acid. The enzyme is

47.
Which strategy involves exclusion of pathogen?

48.
Which of these is not an inorganic fungicide?

49.
Cell wall of Chytridimycetes class of fungi is composed of

50.
The symptoms of powdery mildew of pea (caused by Erysiphe polygoni) first appears on