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41. |
Now one agrarian person can easily produce food for ______ agrarians: |
A. |
60 - 70 |
B. |
70 - 80 |
C. |
90 - 100 |
D. |
100 - 200 |
Answer: Option B
Explanation:
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42. |
In 1980 AD only _______ % of the world population was urbanized: |
Answer: Option A
Explanation:
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43. |
_______ is the most refined type of soil: |
A. |
Clay |
B. |
Silt |
C. |
Sand |
D. |
None of these |
Answer: Option A
Explanation:
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44. |
Clay ________ water to perculate as compared to other type of soils: |
A. |
Resists |
B. |
Allows |
C. |
Both (a) and (b) |
D. |
None of these |
Answer: Option A
Explanation:
|
45. |
Mixture of clay, silt and sand is known as ________: |
A. |
Black Soil |
B. |
Loam |
C. |
Mixed Soil |
D. |
None of these |
Answer: Option B
Explanation:
|
46. |
Black soil is formed due to ________ : |
A. |
Eruption of volcanoes |
B. |
Deposition of Rivers |
C. |
Mixing of Soil |
D. |
None of these |
Answer: Option A
Explanation:
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47. |
Clack soil is formed due to _________ : |
Answer: Option A
Explanation:
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48. |
Cotton requires __________ soil and frost free climate for cultivation: |
A. |
Black Soil |
B. |
Silt |
C. |
Sand |
D. |
None of these |
Answer: Option B
Explanation:
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49. |
Cultivation of rice demands at least ________ inches of rain fall: |
Answer: Option C
Explanation:
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50. |
Though 'Malneutrition' and 'Undernutrition' in Pakistan, abnormal intake of _______ is commonly observed: |
A. |
Sugar |
B. |
Protein |
C. |
Minerals |
D. |
Vitamins |
Answer: Option A
Explanation:
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