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21.
Reclamation disease due to copper dificiency occurs in plants grown on newly reclaimed acid soil:
A.
Histosols
B.
Alfisols
C.
Aridosols
D.
Ultisols
Answer: Option A
Explanation:
22.
Trap crops refer to:
A.
Crops grown around the main crop, which is more susceptible to insect pest and diseases than the main crop
B.
Crops which are resistant to pest and diseases
C.
Crops efficient in trapping solar radiation
D.
Crops efficient in trapping rainfall
Answer: Option A
Explanation:
23.
2, 4-D is a herbicide:
A.
Selective
B.
Non-selective
C.
Contact
D.
Selective and systemic
Answer: Option D
Explanation:
24.
What is the effect of potassic fertilizers?
A.
It makes the plants more resistant to disease
B.
It improve the grain quality
C.
It makes the plants susceptible to disease
D.
All of the above
Answer: Option A
Explanation:
25.
2, 4-D is an important herbicide of:
A.
Pulses
B.
Oilseed crop
C.
Small grain crop
D.
Millet
Answer: Option C
Explanation:
26.
2, 4-D is the :
A.
Translocated herbicicide
B.
Contact herbicide
C.
Contact herbicide as well as translocated herbicide
D.
All of above
Answer: Option A
Explanation:
27.
The most sensitive stages of sunflower to water stress lie between:
A.
Germination and seedling
B.
Germination and flowering
C.
Seedling and flowering
D.
Flowering and grain filling
Answer: Option D
Explanation:
28.
A basal dose of phosphorus at ______ g/m2 to tobacco nursery area has been recommended:
A.
5.5 - 6.5
B.
7.5 - 8.0
C.
9.0 - 9.5
D.
10.0 - 10.5
Answer: Option B
Explanation:
29.
A cloud type that occurs in low height in the atmosphere is:
A.
Stratus
B.
Cumulus
C.
Nimbus
D.
Cumulo-nimbus
Answer: Option A
Explanation:
30.
A farmer is to select suitable crops for a drought prone un-irrigated area. Which one of the following groups of crops should be chosen for mixed cropping?
A.
Sesame, maize, oats
B.
Sorghum, whet
C.
Sesame sorghum/pearl millet, niger
D.
Maize, upland rice, berseem
Answer: Option A
Explanation:
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