Biology - Mock Test 46

Question 451

An alternation of asexual and sexual generations where both the generations are diploid and the haploid stage is represented only by the gametes is called

A) binary fission B) metagenesis C) paedogenesis D) parthenogenesis

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Question 452

As a result of binary fission number of individuals

A) two B) three C) four D) five

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Question 453

An organism is in the same class but not in the same family. It may belong to same

A) Genus B) Species C) Variety D) Order

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Question 454

As we go from species to kingdom in a taxonomic hierachy, the number of common characteristics

A) will decrease B) will increase C) remain same D) may increase or decrease

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Question 455

<b>Taxa</b> differs from <b>taxon</b> due to

A) This being a higher taxonomic category than taxon B) This being lower taxonomic category than taxon C) This being the plural of taxon D) This being the singular of taxon

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Question 456

The particular purpose of classification of living organisms is to

A) Name the living organisms B) Explain the origin of living organisms C) Trace the evolution of living organisms D) Facilitate identification of unknown organisms

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Question 457

Which one of the following statements is correct about Biodiversity

A) Biodiversity is the occurrence of varied type of organisms on earth. B) Each different kind of plant, animal or organism represents a species. C) The number of species that are known and described range between 1.7–1.8 million. D) All of these

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Question 458

Which of the following statement(s) is/are correct

A) Only living organisms grow. B) Plants grow only up to a certain age. C) The growth in living organisms is from inside. D) All of these

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Question 459

All living organisms are linked to one another because

A) they have common genetic material of the same type B) they share common genetic material but to varying degrees C) all have common cellular organization D) All of the above

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Question 460

Taxonomic key is one of the taxonomic tools in the identificaton and classification of plants and animals. It is used in the prepatation of

A) monographs B) flora C) Both a & b D) None of these

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