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11
The metallic minerals are
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Answer & Solution
Answer: Option B
Solution:
The metallic minerals are Iron ore, copper, lead. Metallic minerals contain metal in raw form.Metallic minerals occur in rare, naturally formed concentrations known as mineral deposits. These deposits can consist of a variety of metallic minerals containing valuable metals such as nickel (pentlandite), copper (chalcopyrite), zinc (sphalerite), lead (galena) and gold.
12
Which one of the following natural regions is best known for the production of grapes?
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Answer & Solution
Answer: Option D
Solution:
Mediterranean regions is best known for the production of grapes. Grapes, cultivated for the fruit or for making wine, grow very well in the region thanks to the mild temperature and ideal moisture conditions in many areas of the region. Each sub-region has grapes that offer specific flavors. Sherry is grown in the Andalusia in Spain, Nero d’Avola from Sicily, Patrimonio from Corsica (there are also wines in Greece, Algeria, Morocco, Israel).
13
Over 90% of the world's biomass is in
Discuss
Answer & Solution
Answer: Option A
Solution:
Over 90% of the world's biomass is in Tropical rain forests. Tropical rainforests are the most complex of the world's ecosystems in terms of the physical structure that they develop, and also in their tremendous biodiversity of species and community types. Because of these characteristics, tropical rainforests represent the acme of ecosystem development on Earth.
14
Deciduous trees are those ________
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Answer & Solution
Answer: Option D
Solution:
Deciduous trees are those that shed their leaves during a certain season. Most deciduous trees have broad leaves that are susceptible to being damaged during cold or dry weather.
15
The Ruhr-Westphalia region is a famous industrial region of ________
Discuss
Answer & Solution
Answer: Option D
Solution:
The Ruhr-Westphalia region is a famous industrial region of Germany. The Ruhr Valley in Germany, which encompasses the industrial cities of Bochum, Dortmund, Duisburg, Essen, and others, is one of the most industrialized areas of the country.
16
In which country, slash and burn agriculture is known as "Milpa"?
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Answer & Solution
Answer: Option D
Solution:
The slash and burn agriculture is known as 'Milpa' in Mexico and Central America, 'Conuco' in Venezuela, 'Roca' in Brazil, 'Masole' in Central Africa, 'Ladang' in Indonesia, 'Ray' in Vietnam. Slash and burn agriculture is also known as shifting agriculture. It is an old agricultural method followed in many tribal regions of the world. In India such a practise is termed "Jhum" in the North-East.
17
Typhoon comes in
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Answer & Solution
Answer: Option D
Solution:
In Austrialia a tropical cyclone is named as Willy Willy. In different parts of the world it is known by different names like, Hurricane in Caribbean Sea, U.S.A. , Mexico, Typhoon in Japan, China, Phillipines; Cyclone in South Asia.
18
The World's largest producer of wool is ________
Discuss
Answer & Solution
Answer: Option D
Solution:
The World's largest producer of wool is Australia. Australia is the world's number one producer of premium quality fine wool, and is the largest producer of all wools by value and volume. The total wool produced in Australia is 324, 900 tonnes (greasy).
19
In the Semi-arid and Temperate grasslands, the most commonly found animals are ________
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Answer & Solution
Answer: Option D
Solution:
In the Semi-arid and Temperate grasslands, the most commonly found animals are Sheep and goats.
20
A large number of species are found within a small unit of area of ________
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Answer & Solution
Answer: Option D
Solution:
A large number of species are found within a small unit of area of Wet evergreen equatorial forests. Wet evergreen forests are found in the south along the Western Ghats and the Nicobar and Andaman Islands and all along the north-eastern region. It is characterized by tall, straight evergreen trees that have a buttressed trunk or root on three sides like a tripod that helps to keep a tree upright during a storm.