Food Production and Food Chain CDS Questions

Food Production and Food Chain MCQ Questions

7.
Crop varieties specially developed to produce significantly more yield per unit area than traditional varieties, central to the success of the Green Revolution, are known as:
A.
Hybrid weeds
B.
High-Yielding Variety (HYV) seeds
C.
Genetically modified organisms exclusively
D.
Biofertilizers
ANSWER :
B. High-Yielding Variety (HYV) seeds
8.
The irrigation method in which water is applied directly to the root zone of plants in small, controlled quantities through a network of pipes and emitters, minimising water wastage, is called:
A.
Canal irrigation
B.
Drip irrigation
C.
Flood irrigation
D.
Sprinkler irrigation
ANSWER :
B. Drip irrigation
9.
The irrigation method that distributes water over crops in the form of fine droplets, simulating natural rainfall, is called:
A.
Canal irrigation
B.
Furrow irrigation
C.
Sprinkler irrigation
D.
Drip irrigation
ANSWER :
C. Sprinkler irrigation
10.
Naturally occurring substances of plant or animal origin (such as compost, farmyard manure, and vermicompost) added to soil to improve its fertility are collectively called:
A.
Herbicides
B.
Organic manure
C.
Pesticides
D.
Chemical fertilizers
ANSWER :
B. Organic manure
11.
Manufactured, nutrient-rich chemical substances (such as urea, superphosphate, and potash) added to soil to rapidly boost levels of specific nutrients for plant growth are known as:
A.
Chemical fertilizers
B.
Organic manure
C.
Pesticides
D.
Biofertilizers
ANSWER :
A. Chemical fertilizers
12.
The three primary macronutrients supplied through common chemical fertilizers, often abbreviated as NPK, are:
A.
Nitrogen, Phosphorus, and Potassium
B.
Nitrogen, Phosphorus, and Calcium
C.
Nitrogen, Sulphur, and Potassium
D.
Sodium, Potassium, and Calcium
ANSWER :
A. Nitrogen, Phosphorus, and Potassium