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1
Which one of the following is the non-renewable resource?
Discuss
Answer & Solution
Answer: Option D
Solution:
The most common examples of non-renewable resources are fossil fuels, such as coal, oil and natural gas. Although these resources form naturally within the earth, they take billions of years to do so. Other non-renewable resources include metals, minerals and stone.
2
The first tropic level refers to
Discuss
Answer & Solution
Answer: Option B
Solution:
The first trophic level consists of primary producers such as plants and other photosynthetic organisms. The second trophic level consists of primary consumers that feed upon producers. They are herbivores.
3
Abyssal zone in ocean has
Discuss
Answer & Solution
Answer: Option A
Solution:
Abyssal zone in ocean has no sunlight but contains decomposers and consumers.
4
Sunlight passes through a thicker portion of the atmosphere at
Discuss
Answer & Solution
Answer: Option E
Solution:
Sunlight passes through a thicker portion of the atmosphere at sunrise and sunset.
5
A small particle of soil blown by dust is known as
Discuss
Answer & Solution
Answer: Option B
Solution:
A small particle of soil blown by dust is known as suspension.
6
Oil derived from coal, oil shales or tar sands is called
Discuss
Answer & Solution
Answer: Option A
Solution:
Oil derived from coal, oil shales or tar sands is called natural gas as it is obtained from nature, nothing artificial. Coal is obtained naturally from the remnant of plants that grew in swamps hundreds of millions of years ago.
7
Which of the following region has maximum diversity?
Discuss
Answer & Solution
Answer: Option D
Solution:
Coral reefs has maximum diversity.
8
Green Land biome
Discuss
Answer & Solution
Answer: Option B
Solution:
Greenland is made up of two biomes. The polar ice cap that is located in the center of the island, and the tundra that covers the coastline.
9
The wind-chill factor:
Discuss
Answer & Solution
Answer: Option A
Solution:
Wind-chill or windchill is the lowering of body temperature due to the passing-flow of lower-temperature air. Wind chill numbers are always lower than the air temperature for values where the formula is valid. When the apparent temperature is higher than the air temperature, the heat index is used instead.
10
Abundant source of inonazite sands are found on the sea shores of
Discuss
Answer & Solution
Answer: Option D
Solution:
Abundant source of inonazite sands are found on the sea shores of Kerala.