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71
Power minerals are
Discuss
Answer & Solution
Answer: Option C
Solution:
Power minerals are Coal, oil, natural gas. A natural resource such as coal, gas, or oil that, once consumed, cannot be replaced. Most energy resources currently in use are non-renewable while the renewable ones (such as wind and solar power) are not well developed. Also called depletable resource.
72
Which of the following is not one of the by-products of mineral oil?
Discuss
Answer & Solution
Answer: Option B
Solution:
Sulphur is not one of the by-products of mineral oil. Sulphur produced as a by-product of ferrous and non-ferrous metal smelting is produced in the form of sulphuric acid.
73
Wood pulp comes from ________
Discuss
Answer & Solution
Answer: Option D
Solution:
Wood pulp comes from Coniferous forest region. Coniferous forests are made up from very few tree species (pine, spruce, fir and larch) and the floor of the forest supports little vegetation. The soil is thin, acidic and low in nutrients.
74
Which of the following determines the quality of agro-products?
Discuss
Answer & Solution
Answer: Option C
Solution:
AGMARK certifies agro products on the basis of set standards which are approved by Directorate of Marketing & Inspection, a Government of India agency eg. Darjeeling Tea, Basmati rice etc.
75
Which of the following sequence is correct in their declining productivity?
Discuss
Answer & Solution
Answer: Option C
Solution:
The correct following sequence in their declining productivity are Ocean, Mangrove, Lakes and Grassland.
76
The leading producer of sulphur is ________
Discuss
Answer & Solution
Answer: Option B
Solution:
The leading producer of sulphur is Spain. The main consumer of sulphur was fertilizer industry which accounted for about 77% is Spain ( Sulphur).
77
From, the point of view of international trade, Bahrein islands are noted for petroleum and ________
Discuss
Answer & Solution
Answer: Option D
Solution:
From, the point of view of international trade, Bahrein islands are noted for petroleum and Pearl fishing. "Pearling, testimony of an island economy" by the Bahrain Ministry of Culture, the international media has consistently referred to it as the "Bahrain pearling trail".
78
Long treeless grassy palms are characteristics of ________
Discuss
Answer & Solution
Answer: Option C
Solution:
Long treeless grassy palms are characteristics of Pampas. Pampas grass is a perennial plant and can reach 4 metres (13 feet) in height. The long sharped-edged leaves fold at the midrib and form a dense tussock (tufted bunch). Female plants bear silvery plumelike flower clusters about 30 to 90 cm (1 to 3 feet) long. The feathery seeds are readily dispersed by the wind.
79
In which of the following region, it rains throughout the year?
Discuss
Answer & Solution
Answer: Option B
Solution:
Convectional rainfall occurs in the Equatorial region throughout the year.
80
Merino sheep rearing is the predominant pastoral activity in ________
Discuss
Answer & Solution
Answer: Option A
Solution:
Merino sheep rearing is the predominant pastoral activity in Australia. The Merino is one of the most historically relevant and economically influential breeds of sheep. The wool of any Merino sheep, whether reared in Spain or elsewhere, is known as "merino wool".