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Learn CDS MCQs with answers [Page 8 of Department 103]

M

Mr. Dubey • 51.32K Points
Coach

71) Which one of the following is present in the largest amount in terms of percent by mass in the earth's crust?

(A) Silicon
(B) Oxygen
(C) Carbon
(D) Calcium
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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C

Chandan Das • 6.78K Points
Tutor III

72) The current produced by upwelling of cold water off the coast of Chile and Peru is known as

(A) El Nino
(B) Humboldt current
(C) Agulhas current
(D) Canary current
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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C

Chandan Das • 6.78K Points
Tutor III

73) The important fishing areas called Grand Bank and Georges Bank located in the waters of which one of the following?

(A) North Pacific
(B) South Pacific
(C) South-west Atlantic
(D) North-west Atlantic
Correct Answer - Option (D)

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C

Chandan Das • 6.78K Points
Tutor III

76) A living part of the organisms environment is known as

(A) Abiotic Factor
(B) Habitat
(C) Biotic Factor
(D) Non­living factor
Correct Answer - Option (C)

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C

Chandan Das • 6.78K Points
Tutor III

77) Secondary consumers are eaten by larger

(A) Fast animal
(B) Animal in the third trophic level
(C) Herbivorous animal
(D) Predator
Correct Answer - Option (D)

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C

Chandan Das • 6.78K Points
Tutor III

79) Which of these plants grow in an environment that is neither very wet nor very dry?

(A) Mesophytes
(B) Sporophyte
(C) Saprophytes
(D) Tracheophytes
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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C

Chandan Das • 6.78K Points
Tutor III

80) Which statement describes decomposers?

(A) Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems
(B) Decomposers can produce their own source of energy and can sometimes act as primary producers
(C) Decomposers are those organisms that recycle matter in the ecosystem
(D) All the above
Correct Answer - Option (C)

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