Environmental Science In Agricultural MCQ Question and Answer | Agriculture MCQ Question Page-5 section-1

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41.
Nitrogen fixation is

A. Nitrogen ⟶ Ammonia

B. Nitrogen ⟶ Nitrates

C. Nitrogen ⟶ Amino acid

D. Both A and B

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42.
Biosphere extends from ocean bottom to mountain tops to a distance of

A. 7.5 km

B. 22.5 km

C. 12 km

D. 75 km

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43.
The major pollutant/parts in petrol based vehicles is/are

A. Fuel tank

B. Crankcase

C. Carburetor

D. All of the above

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44.
One hectare of good forest picks up, CO₂ and releases O₂ respectively

A. 30,000 kg and 10,000 kg

B. 8,000 kg and 10,000 kg

C. 10,000 kg and 25,000 kg

D. 30,000 kg and 60,000 kg

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45.
The important categories of solid waste are

A. Municipal wastes

B. Industrial wastes

C. Hazardous wastes

D. All of these

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46.
Natural sink of stratospheric ozone is

A. Sulphure dioxide

B. Sulphur fluxes of oceans

C. Freons

D. HCFCs

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47.
Ozone layer of upper atmosphere is being destroyed by

A. Chlorofluorocarbon

B. Sulphur dioxide

C. Photochemical oxidants/O₂ and CO₂

D. Smog

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48.
Decreased rainfall in northern areas is due to

A. Changes in sun

B. Global phenomenon

C. Deforestation in evaporating area near equator

D. Deforestation in catchment area

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49.
Which is the most effective in warming atmosphere

A. CO₂

B. Chlorofloro carbon

C. Methane

D. Nitrogenoxides

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50.
Which of the following is chemically inert?

A. Sand particles

B. Clay particles

C. Alluvial particles

D. All of the above

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Environmental Science In Agricultural MCQ Question and Answer | Agriculture MCQ Question

41. Nitrogen fixation is

Answer & Solution

42. Biosphere extends from ocean bottom to mountain tops to a distance of

Answer & Solution

43. The major pollutant/parts in petrol based vehicles is/are

Answer & Solution

44. One hectare of good forest picks up, CO2 and releases O2 respectively

Answer & Solution

45. The important categories of solid waste are

Answer & Solution

46. Natural sink of stratospheric ozone is

Answer & Solution

47. Ozone layer of upper atmosphere is being destroyed by

Answer & Solution

48. Decreased rainfall in northern areas is due to

Answer & Solution

49. Which is the most effective in warming atmosphere

Answer & Solution

50. Which of the following is chemically inert?

Answer & Solution

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41.
Nitrogen fixation is

42.
Biosphere extends from ocean bottom to mountain tops to a distance of

43.
The major pollutant/parts in petrol based vehicles is/are

44.
One hectare of good forest picks up, CO₂ and releases O₂ respectively

45.
The important categories of solid waste are

46.
Natural sink of stratospheric ozone is

47.
Ozone layer of upper atmosphere is being destroyed by

48.
Decreased rainfall in northern areas is due to

49.
Which is the most effective in warming atmosphere

50.
Which of the following is chemically inert?