Choose the correct alternative from the following.
Assertion:
Every year, *Booker prize* is given by the English government to the best work in English literature.
RI. The English government has enough money with it to spend on such prizes.
RII. The English government is interested in encouraging the authors of these literary works.
Answer: B
RI and/or RII must be cause to effect the *Assertion*. This means that if RI or RII is accomplished,the act given in the *Assertion* will be carried out. Let us examine RI and RII from this view-point. RI : Having enough money does not become a cause for spending on such prizes. Hence, RI cannot be a valid reason. RII : If the authors are to be encouraged, they must be given awards or prizes for appreciable works. This is a valid reason.
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Assertion (A) : Telephone wires sag more in summer.
Reason (R) : They expand due to summer heat.
Answer: A
The metal of telephone wires expand in summer and the wires become loose. So, they sag.
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Assertion:
India and America have increased the number of strategic dialogues between the two countries.
RI. America and India want to improve bilateral relations.
RII. America and India are scheming against Russia.
Answer: D
The objective of having better or improved relations is not always to seek support. Neither RI nor RII is strong.
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Assertion (A) : The body of the fish is streamlined.
Reason (R) : The streamlined body helps the fish to cut its way through the water.
Answer: A
The fish possesses a streamlined body which helps it to cut its way through the water.
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Assertion (A) : The Steam engine was invented by James Watt.
Reason (R) : There was a problem of taking out water from flooded mines.
Answer: A
The problem of pumping out water from the flooded mines provided the need of a self working engine, which led James Watt to invent the same.
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Assertion (A) : Copper is used to make electric wires.
Reason (R) : Copper has very low electrical resistance.
Answer: A
A low electrical resistance of copper makes it a good electric conductor. So, it is used to make electric wires.
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Assertion:
The president dissolved the 12th Lok Sabha but asked the present government to continue as a caretaker government.
RI. New government cannot be formed immediately.
RII. The country cannot run without a government.
Answer: D
In both the situations explained by RI and RII, we need to have a caretaker government. Hence, both the valid reasons.
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Assertion (A) : Leaves of plants are green.
Reason (R) : Plants contain Chromoplasts, the green pigment.
Answer: C
Leaves of plants are green because they contain the green pigment, chlorophyll. However, plants contains chromoplasts but they are not green pigments.
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Assertion (A) : We feel comfortable in hot and humid climate.
Reason (R) : Sweat evaporates faster in humid climate.
Answer: C
We feel uncomfortable in hot and humid climate because in hot weather, body sweats more but due to high humidity, this sweat does not evaporate easily.
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Assertion (A) : Eskimos reside in igloos.
Reason (R) : No other material except snow is available.
Answer: C
Eskimos live in snow house called igloos because snow, being a bad conductor of heat, these houses warm inside.
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