Assertion (A) : Finger ball prints are unique in each and every individual.
Reason (R) : Fingerprints are not very useful in establishing the identity of a person.
In the context of the above two statements, which one of the following is correct ?
Answer: (A) is correct, but (R) is wrong
Assertion (A) : A captive study allows us to closely observe non-human primates up close and personal because they would not hide in dense trees for hours on end.
Reason (R) : However, we cannot manipulate the study group’s behaviour.
In the context of the above two statements, which one of the following is correct ?
Answer: (A) is correct, but (R) is wrong
Assertion (A) : Selection introduces new genes in a population.
Reason (R) : Mutation favours one of the two alleles.
In the context of the above two statements, which one of the following is correct ?
Answer: Both (A) and (R) are wrong
Assertion (A) : Very dark-skinned populations can be found in Africa, India and Melanesia.
Reason (R) : Populations from different parts of the world may have similar skin colours because they share a common environmental feature, namely, the intensity of sunlight exposure.
In the context of the above two statements, which one of the following is correct ?
Answer: Both (A) and (R) are correct and (R) is the correct explanation of (A).
Assertion (A) : Economists believe that economic theories cannot be applied in ‘subsistence level economies’; nor could any economic theory be derived out of their studies.
Reason (R) : ‘Medium of exchange’ is found in subsistence level economies.
In the context of the above two statements, which one of the following is correct ?
Answer: (A) is correct, but (R) is wrong
Assertion (A) : Unilinear evolutionists believed in parallel development of human culture from savagery through barbarism to civilization.
Reason (R) : Unilever evolutionists believed in psychic unity of mankind.
In the context of the above two statements, which one of the following is correct ?
Answer: Both (A) and (R) are correct and (R) is the correct explanation of (A). (
Assertion (A) : Kingdom is considered as a ‘stateless society’ because it does not hold the characteristics of a state.
Reason (R) : Characteristics of a state are as such, a defined territory, population, sovereignty and a government.
In the context of the above two statements, which one of the following is correct ?
Answer: (A) is wrong, but (R) is correct
Assertion (A) : In Euro-American societies Ambilineal descent system is prevalent.
Reason (R) : In Ambilineal descent, the members enjoy equal rights, duties and privileges from both father and mother sides.
In the context of the above two statements, which one of the following is correct ?
Answer: Both (A) and (R) are wrong
Assertion (A) : Amino-acid racemization is a relative method of dating.
Reason (R) : The method depends on principles on molecules that rotate polarized light to the left.
In the context of the above two statements, which one of the following is correct ?
Answer: Both (A) and (R) are true and (R) is the correct explanation.
Assertion (A) : Chopper chopping tools are always made on pebble cores.
Reason (R) : Hand axes are never made on pebble cores.
In the context of the above two statements, which one of the following is correct ?
Answer: (A) is true, but (R) is false.
Assertion (A) : Genetic drift is a nonrandom evolutionary force that can introduce new genetic material in a population.
Reason (R) : Genetic drift impacts on relatively small populations.
In the context of the above two statements, which one of the following is correct ?
Codes :Answer: (A) is false, but (R) is true
Assertion (A) : AIDS is a non-communicable disease.
Reason (R) : The Human Immunodeficiency Virus (HIV) that causes AIDS attacks a specific component of the immune system.
In the context of the above two statements, which one of the following is correct ?
Codes :Answer: (A) is wrong, but (R) is correct
Assertion (A) : Ramapithecus fossils, discovered in 1932 from India were earlier considered to be the first hominids.
Reason (R) : On the basis of biochemical analysis and later finds, now it is put in the Sivapithecus category, an ancestor of Orangutan.
In the context of the above two statements, which one of the following is correct ?
Codes :Answer: Both (A) and (R) are true and (R) is the correct explanation.
Assertion (A) : In Darwin’s theory of Natural Selection the basic unit of evolution is an individual.
Reason (R) : In Neo-Darwinism the basic unit of evolution is a population.
In the context of the above two statements, which one of the following is correct ?
Codes :Answer: Both (A) and (R) are correct
Assertion (A) : Adolescent growth spurt occurs in each individual of both sexes.
Reason (R) : Adolescent growth spurt occurs earlier in females.
In the context of the above two statements, which one of the following is correct ?
Codes :Answer: Both (A) and (R) are true