Q. Guttation occurs in plants through -
1) Stomata
2) Hydathodes
3) None of these
4) Both (A) and (B)
Q. Stomata open at night in -
1) C4 plants
2) C3 plants
3) CAM plants
4) None of these
Q. Living Cells are not essential for--
1) Transpiration
2) Evaporation
3) Guttation
4) All of these
Q. α & β-tubulins are protein components of--
1) Actin filaments
2) Microtubules
3) Intermediate
4) All of these
Q. 'First blight' of sugarcane is due to deficiency of nutrient -
1) Mn
2) Zn
3) P
4) Fe
Q. Percentage of P2O5 in 'Pelofas' fertilizer is -
1) 12
2) 16
3) 11
4) 18
Q. Which one of the following is not a primary nutrient?
1) S
2) N
3) K
4) P
Q. Which group of plant nutrients involves in N2 fixation?
1) P,S,Mo
2) P,S,Co
3) P,Mo,Co
4) All of these
Q. Which one of the following fertilizers is known as 'Kisan Khad'?
1) Urea
2) Calcium Ammonium Nitrate
3) None of these
4) Ammonium Sulphate
Q. Zoological name of white grub is--
1) Holotrichia consanguinea
2) Helicoverpa armigera
3) Spodoptera litura
4) Bamisia tabaci
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