CSS Zoology Questions & Answers


Q.  Which of the following facts Darwin and Wallace deduced from the observed fact "Struggle for existence, variations and their transmission":

a. Structural modifications forming new species
b. Struggle for existence
c. Survival of fittest or natural selection
d. All of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The book "Philosophie Zoologique" written by Jean Baptist de Lamarck was published in the year:
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MCQs:  The Theory of Natural Selection proposed by Charles Darwin for explaining "Organic Evolution" was based on:
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MCQs:  The scientist who gave a severe blow to Lamarckian theory by giving "Theory of continuity of germplasm" was:
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MCQs:  The idea "Survival of Fittest" propounded by Darwin as given by Herbert Spencer (1820-1903). Is this statement:
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MCQs:  Adaptation of a species is its:
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MCQs:  To be a successful event for evolution the mutation or change must occur in:
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MCQs:  Lamarck was a "French Naturalist" who proposed:
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MCQs:  One of the evolutionary concept in Biology was projected by Darwin in his book "Origin of Species". It has been discussed as:
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MCQs:  Which one of the following gactors is respobsible for the evolution of organisms according to Neo-Darwinism:
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MCQs:  A new species is formed when:
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MCQs:  Hugo De Vries while working on plants Oenothera Lamarchiana developed his famous theory of:
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MCQs:  "New species evolve by sudden and distinct heritable changes called mutations and not by "Natural Selection". The idea was put forward by:
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MCQs:  Frequency of a mutant gene in a population is expected to increase if that gene is:
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MCQs:  "Discontinuous Variations" may be defined as:
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MCQs:  Sudden heritable changes are called:
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MCQs:  For evolution, the most important requirement is:
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MCQs:  Darwin's finches are found in:
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MCQs:  Mutations are mainly respobsible for:
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MCQs:  Mutations are due to:
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MCQs:  Mutations are generally:
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