Subject :NSO Class : Class 3
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 8
Read the following passage and select the option which correctly fill blanks (i), (ii), (iii) and (iv).
(i) is the point of origin of an earthquake. (ii) measures the strength of an earthquake by estimating the amount of energy released at the focus. The point vertically above the origin point on the surface of the Earth, is (iii) . Seismic waves are detected, recorded and measured by (iv) .
(i) | (ii) | (iii) | (iv) | |
A | Epicenter | Seismograph | Focus | Seismologists |
B | Focus | Seismology | Epicenter | Seismograph |
C | Focus | Seismologists | Epicenter | Seismograph |
D | Epicenter | Seismology | Focus | Seismologists |
It’s seismograph that measures the strength of the earthquake.
Ans 2:
Class : Class 8
I agree. Statement two of the passage has a grammatical error, instead of the verb 'measures', it should be 'measure', otherwise subject-verb agreement is not achieved, and literary sense is not maintained.
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Subject :NSO Class : Class 6