Choose the correct alternative from the following.
Assertion (A) : Bangladesh imports jute from India.
Reason (R) : Bangladesh has most of the jute mills.
Answer: C
When Bangladesh was created after partiton of India, the areas of jute production went to Bangladesh while the jute mills were left in India.
So, India imports raw jute from Bangladesh.
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Assertion:
India continues to make strides in defence research.
RI. India wants to stand next to America in defence research.
RII. To ensure a high level of defence preparedness against hostile neighbours.
Answer: B
"Standing next to America" cannot be taken as a valid reason for Indian defence endeavours. Any action of a government evolves out of necessity or urge for development. Hence, RII is not a valid reason.
RII is a valid reason, as India has "hostile" neighbours. "Hostile" implies the presence of inimical and dangerous neighbours, which would necessitate high level of defence preparedness. Hence, RII is a strong and valid reason.
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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 houses called igloos because snow, being a bad conductor of heat, these houses are warm inside.
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Assertion (A) : Amoebiasis is an occupational disease.
Reason (R) : Amoebiasis is caused by inhalation of asbestos dust.
Answer: C
Amoebiasis is a microbial disease, caused by protozoa.
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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) : India is a democratic country.
Reason (R) : India has a Constitution of its own.
Answer: B
India is a democratic country because its government is the government of the people, for the people and by the people.
It is also true that India has its own Constitution.
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Assertion (A) : The use of chlorofluoro carbons is banned throughout the world nowadays.
Reason (R) : These chemicals cause skin cancer.
Answer: C
The use of chlorofluoro carbons is banned nowadays because these cause holes in the ozone layer through which ultraviolet rays penetrate and may cause skin cancer.
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Assertion (A) : Plaster of Paris is used by doctors for setting fractured bones.
Reason (R) : When Plaster of Paris is mixed with water and applied around the fractured limbs, it sets into a hard mass.
Answer: A
Plaster of Paris when mixed with water applied around the fractured limbs, it sets into a hard mass and keeps the bone joints in a fixed position.
So, it can be used for setting fractured bones.
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Assertion (A) : Most of the ancient civilisations grew near the river.
Reason (R) : The main occupation of man was agriculture.
Answer: B
Most ancient civilisations grew near the rivers, because of fertile land and availability of water necessary for agriculture, the main occupation of man.
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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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