Agriculture MCQs

2794 MCQs  (Page 101 of 280)

The lowest pest population that will cause economic damage is called__________________?
A. Economic pest
B. Economic threshold
C. Economic damage
D. None of the above
Resistance of plants to living organism is called______________________?
A. Abiotic resistance
B. Biotic resistance
C. Vertical resistance
D. Horizantal resistance
Integrated pest management involves________________?
A. Chemical and cultural method
B. Only chemical control method
C. Chemical, cultural, and biological method
D. Only biological method
Fertilizer requirements of wheat under medium loamy soil is________________?
A. 75-90 np kg/ha
B. 100-70 np kg/ha
C. 110-60 np kg/ha
D. 136-85 np kg/ha
There is________________?
A. 43560 sq ft in an acre
B. 40560 sq ft in an acre
C. 46560 sq ft in an acre
D. 47560 sq ft in an acre
Root nodules in plant help in__________________?
A. Photosynthesis
B. Aeration
C. Nitrogen fixation
D. Respiration