CSS Zoology Questions & Answers

Q.  Best suited examples given in favour of Lamarckian Theory are:

a. Elongation of neck and fore limbs of African giraffe
b. Loss of limbs in snakes
c. Both (a) & (b)
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  From the observed fact namely "Enormous fertility yet number is constant". Darwin and Wallace could make out some conclusion which is:
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MCQs:  Which of the following facts Darwin and Wallace deduced from the observed fact "Struggle for existence, variations and their transmission":
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MCQs:  What could be deduced from Darwin and Wallace's observed fact entitled, "Survival of the fittest and continuous changes in environment":
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MCQs:  The statement entitled, "I eat, you eat, he eats, I am eaten, you are eaten and he is eaten" is indicative of:
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MCQs:  If a population of organisms is introduced into a new territory where environmental conditions are favourable to it, the population grows rapidly because of:
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MCQs:  The evolution of a species can be considered as the sum total of adoptive changes of species preserved by:
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MCQs:  One of the objectives of experiments in plant breeding is to produce new varieties which have special properties (like high yield, resistance to certain diseases etc.). The method envolves production of mutants in laboratory and then subject them to particular type of solution needed. Which of the following treatments would be more effective:
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MCQs:  Greatest drawback of Darwin's Theory was that it could not offer suitable explanation for:
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MCQs:  Increase in the length of neck and fore legs in African giraffe was explained by Lamarck due to the fact that ancient giraffes stretched their neck and fore legs generation after generation and the character acquired as a result of use was inherited. Darwin also explained the phenomenon. Can you point out the way in which Darwin described it:
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MCQs:  One of the criticism to Darwinism was that it could not give satisfactory explanation for one of the following points:
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MCQs:  Which of the following points have been put forward by the scientists for criticism of Darwin's theory:
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MCQs:  Cause of struggle for existence among animals is:
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MCQs:  Which of the following is associated with name of Darwin:
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MCQs:  Darwin did not have much idea of mutations but he used a word to denote them which was:
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MCQs:  In formulating his theory of organic evolution by "Natural Selection", Darwin was greatly influenced by the writings of:
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MCQs:  The theory of organic evolution by process of natural selection was proposed by:
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MCQs:  The book "Origin of Species" was published in the year:
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MCQs:  The idea of "Survival of fittest" was first presented by:
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MCQs:  Which of the following was most influential in formulation of "Theory of Natural Selection":
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MCQs:  Key point of Lararck's Theory was:
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