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21
Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes,
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
Which of the statements given above is/are correct?
Discuss
Answer & Solution
Answer: Option C
Solution:
Both the given statements are correct. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes and Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
22
What are 'Igloos'?
Discuss
Answer & Solution
Answer: Option D
Solution:
Igloo is a dome-shaped house or a hut, built of blocks of hard snow, in which the Eskimos live. An igloo is a small building made of snow. Igloos were first built by the Inuit people.
23
The prediction of storm is made, when atmospheric pressure
Discuss
Answer & Solution
Answer: Option C
Solution:
The prediction of storm is made, when atmospheric pressure decreases suddenly. The barometer drops suddenly depicting low pressure zone & unsettled weather system developing such as storm.
24
Which of the following pairs is incorrect ?
Discuss
Answer & Solution
Answer: Option B
Solution:
Bangkok is Thailand’s capital, is a large city known for ornate shrines and vibrant street life.
25
Which of the following statements is false?
Discuss
Answer & Solution
Answer: Option D
Solution:
Coniferous forests consist mostly of conifers, trees that grow needles instead of leaves, and cones instead of flowers. Conifers tend to be evergreen, that is, they bear needles all year long. These adaptations help conifers survive in areas that are very cold or dry. Some of the more common conifers are spruces, pines, and firs.
26
The number of economic minerals associated with sedimentary rocks is
Discuss
Answer & Solution
Answer: Option B
Solution:
The number of economic minerals associated with sedimentary rocks is less than that associated with igneous rocks.
27
Which is the best variety of cotton in the world?
Discuss
Answer & Solution
Answer: Option A
Solution:
Sea Island cotton has extra long staple length upto 34 mm due to which it is considered the best cotton in the world.
28
Which of the following natural regions is known as 'the big game country' or 'a land of safari'?
Discuss
Answer & Solution
Answer: Option D
Solution:
Savanna or Tropical Grassland regions is known as 'the big game country' or 'a land of safari'. It is also called 'Sudan' or 'Savannah type' or 'Tropical grassland type'. Tropical grasslands are located near the equator, between the Tropic of Cancer and the Tropic of Capricorn. They cover much of Africa as well as large areas of Australia, South America, and India. Savannas are generally found between the desert biome and the rainforest biome.
29
The Sea water is more salty than rain water because
Discuss
Answer & Solution
Answer: Option C
Solution:
Rivers while passing through rocky places weather the rocks & erode them, during weathering of rocks, its mineral content in form of salt gets eroded which is dumed in sea along with river water.
30
Which of the following regions bear mainly the Coniferous forests?
Discuss
Answer & Solution
Answer: Option D
Solution:
Central, Eastern and Western parts of North America regions bear mainly the Coniferous forests. Taiga generally referred to in North America as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches.