Page 24 - Agronomy-Soil.Sci-Horticulture objective AFO

84. What is the optimum temperature for

growth of wheat in India: IBPS AFO Mains 2017)

a. 10 °C

b. 14 °C
c. 20 °C

d. 25 °C
e. 30 °C

ANS:- c. 20 °C

85. What is the shallow depth of ploughing consists of: IBPS AFO

Mains 2017)

a. 5-6 cm

b. 10-12 cm
c. 15-20 cm

d. 25-30 cm
e. 35-40 cm

ANS:- a. 5-6 cm

86. The practice of forestry for raising fodder grass with scattered

fodder trees, fruit trees, and fuelwood trees is suitable: IBPS AFO
Mains 2017)

a. Aesthetic forestry
b. Mixed forestry

c. Farm forestry
d. Shelterbelts forestry

e. Rehabilitation of degraded forest

ANS:- b. Mixed forestry

88. Which of the following is an economic benefit for

agroforestry: IBPS AFO Mains 2017)

a. Better production of ecological system

b. Improvement of soil structure through the constant addition of
organic matter from decomposed litter

23