Biology - Mock Test 209

Question 2081

The best way of dating fossils recent origin is by ______?

A) radio carbon method B) uranium lead method C) potassium argon method D) a combination of all these

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Question 2082

The Haeckel’s theory of biogenetic Law means that ______?

A) all organisms start as an egg B) life history of an organism reflects its evolutionary history C) nonliving matter from life D) progeny resembles parents

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Question 2083

Many of the animals and plants found on islands are ______?

A) endemic B) exotic C) sympatric D) none of these

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Question 2084

A study of evolution has established the systematic positions in many animals. In some animals chordate characters are absent in adult stage, but present in larval stage, eg. Herdmania has been included in ______?

A) crustacea B) protochordata C) dermaptera D) onychophora

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Question 2085

Biogenetic law states that ______?

A) ontogeny repeats phylogeny B) phylogeny repeats ontogeny C) no two living organisms are alike D) the favourable acquired characters are inherited

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Question 2086

Von baer supports the theory of evolution on the basis of?

A) embryological character B) germs layers C) somatic variations D) genetic variations

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Question 2087

A living connecting link which provides evidence for organic evolution is ______?

A) Archeopteryx between reptiles and mammals B) lung fish between pisces and reptiles C) duck billed platypus between reptiles and mammals D) Sphenodon between reptiles and birds

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Question 2088

Appearance of facial hair in some people is an example of?

A) mongolism B) analogous organs C) atavism D) all above

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Question 2089

Which one of the following terms would most correctly describe the relationship between the flight organs of animals like locust, bat, swallow, and flying fish ?

A) Atavism B) Analogous C) Homologous D) Vestigeal

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Question 2090

Vermiform appendix in man, nictitating membrane and wisdom teeth are ______?

A) homologous organs B) analogous organs C) vestigial organs D) none of the above

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