CAT Model Paper 9 Questions and Answers with Explanation Part 6

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Geography of Passage:

Para 1:

No very satisfactory account of the mechanism that caused the formation of the ocean basins has yet been given.

Traditional view explained.

Para 2:

Traditional view projected implausible.

Second theory explained and countered.

Para 3:

Third theory explained and supported.

46. It can be inferred from the pass, that, of the following, the deepest sediments would be found in the

Choices:

(A) Indian Ocean

(B) Black Sea

(C) Mid-Atlantic

(D)South Atlantic

Answer: B

Solution:

Option (b)

The last theory given by the author seems attractive because it gives some hope of explaining the enclosed seas. These seas have atypical oceanic floor, except that the floor is overlaid by several kilometers of sediment. Their floors have probably been sinking for long periods. It seems possible that a sinking current of cooled mantle material on the upper side of the plate might be the cause of such deep basins. Going by the last theory, the deepest sediments would be found in the Black Sea thus making answer option (b) the correct answer choice. Among the answer options, only Black Sea has been mentioned by the author in the last paragraph wherein he discusses about deepest sediments and hence we can straight away go for. option B

47. The author refers to a “conveyor belt” in order to

Choices:

(A) Illustrate the effects of convection in the mantle

(B) Show how temperature differences depend on the positions of the continents

(C) Demonstrate the linear nature of the Mid-Atlantic Ridge

(D) Describe the complicated motions made possThle by back-coupling

Answer (A)

Solution:

Option (a)

The author mentions in the first paragraph that “Theoretically, this convection would carry the continental plates along as though they were on a conveyor beltand would provide the forces needed to produce the split that occurs along the ridge.” Thus it is evident that a conveyor belt is referred in order to illustrate the effects of convection in the mantle. Thus, answer option (a) is the correct answer choice.

48. The author rezards the traditional view of the origin of the oceans with

Choices:

(1) Slight apprehension

(2) Absolute indifference

(3) Indignant anger

(4) Guarded skepticism

Option (d)

In the first paragraph, the author has appreciated the traditional view by saying that it may be correct since it has the advantage that the currents are driven by temperature differences that themselves depend on the position of the continents. However, in the second paragraph, he says that the traditional view seems implausible because convection does not normally occur along lines, and it certainly does not occur along lines broken by frequent offsets or changes in direction, as the ridge is. Thus we can effectively say that the author regards the traditional view of the origin of the oceans with guarded skepticism, and not complete disbelief, indifference, or anger. Also the author does not regard with ‘slight’ apprehension when he says in the second paragraph that the traditional view is ‘implausible’. Thus answer option (d) is the correct answer choice.

49. Which one of the following most accurately characterizes the author’s attitude toward placebo treatment?

(A) Reserved advocacy

(B) Feigned objectivity

(C) Perplexed by its effectiveness

(D) Zealous promotion

Option (a)

This question is a little Tricky. Only choices (A) and (B) have any real merit. Although the passage has a detached, third-person style, the author nonetheless does present his opinions— namely that placebos work and that their use should be expanded. However, that advocacy is reserved, so the answer is (A).

The other choices can be quickly eliminated: Given the human ego, we are unlikely to admit that we don’t understand the subject we are writing about. This eliminates (C). “Zealous promotion” is too strong; “promotion” itself is probably too strong. Thiseliminates (D).

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