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Mayank1444
@mayank1444
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Joined: Oct 11, 2021
Last seen: Nov 14, 2021
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Answer to: Which of the following is most important for speciation?

Correct answer: (2) Seasonal isolation

4 years ago
Forum
Biology
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Answer to: According to fossils discovered up to present time origin and evolution of man was started from

Correct answer: (1) Africa

4 years ago
Forum
Biology
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Answer to: In which condition the gene ratio remains constant for any species? (1) Mutation (2) Sexual selection (3) Gene flow (4) Random mating

Correct answer: (4) Random mating

4 years ago
Forum
Biology
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Answer to: Occurrence of endemic species in South America and Australia is due to

Correct answer: (4) Continental separation

4 years ago
Forum
Biology
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Answer to: Half life period of C is about (1) 50 years (2) 500 years

Correct answer: (4) 5000 years

4 years ago
Forum
Biology
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Answer to: Which of the following are homologous organs?

Correct answer: (4) Wings of birds (sparrow) and pectoral fins of fish

4 years ago
Forum
Biology
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Answer to: There is no life on moon due to the absence of

Correct answer: (4) water

4 years ago
Forum
Biology
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Answer to: Sequence of which of the following is used to know the phylogeny?

Correct answer: (4) rRNA

4 years ago
Forum
Biology
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Answer to: Darwin’s finches provide excellent evidence in favour of evolution. This evidence comes from the field of

Correct answer: (2) Biogeography

4 years ago
Forum
Biology
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Answer to: Similarities in organism with different genotype indicates

Correct answer: (1) Convergent evolution

4 years ago
Forum
Biology
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Answer to: Which of following is closest relative of man? (1) Orangutan (2) Chimpanzee (3) Gibbon (4) Gorilla

Correct answer: (2) Chimpanzee

4 years ago
Forum
Biology
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Answer to: Which of the following is correct order of evolutionary history of man?

Correct answer: (1) Pekingman, Heidelbergman, Neanderthal, Cro-magnon

4 years ago
Forum
Biology
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Answer to: Darwin’s theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it?

Correct answer: (3) There should become physical basis of inheritance

4 years ago
Forum
Biology
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Answer to: Which is not a vestigial part in humans? (1) Third molar (2) Segmental muscles of abdomen

Correct answer: (4) Fingernails

4 years ago
Forum
Biology
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Answer to: During organ differentiation in Drosophila an organ is often modified to another organ such as wings could be replaced by legs. Genes responsible for such metamorphosis are called

Correct answer: (2) Homeotic genes

4 years ago
Forum
Biology
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Answer to: Homo sapiens evolved during (1) Pliocene (2) Pleistocene

Correct answer: (1) Pliocene

4 years ago
Forum
Biology
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Answer to: Which of the following primate is the closest relative of humans?

Correct answer: (1) Gorilla

4 years ago
Forum
Biology
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Answer to: Which one of the following features is closely related with the evolution of humans?

Correct answer: (2) Loss of tail

4 years ago
Forum
Biology
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Answer to: Genetic drift operates only in (1) mendelian Populations (2) smaller Populations (3) island Populations (4) larger Populations

Correct answer: (2) smaller Populations

4 years ago
Forum
Biology
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Answer to: The age of the fossil of Dryopithecus on the geological time scale is

Correct answer: (4) 25 × 106 years back

4 years ago
Forum
Biology
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