CSS Zoology Questions & Answers

Q.  According to most accepted theories, the atmosphere of earth before origin of life consisted of a mixture of:

a. Water vapours, Hydrogen, Ammonia and Methaine
b. Hydrogen, Carbon Dioxide, Ammonia and Methane
c. Oxygen, Ammonia, Methane and Water
d. Ozone, Methane, Oxygen and Water


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  "Neolamarckism" states that:
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MCQs:  From the experiments upon mice by cutting the tails of new-born mice for more than twenty generations and yet no hereditary effect, Weismann could conclude:
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MCQs:  Weismann stated that a multicellular body is divisible into somaplasm and germplasm which separate at early embryonic life. Therefore only link between these will be:
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MCQs:  According to Weismann theory which of the following facts will be correct:
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MCQs:  Which of the following features are raw materials in evolution according to Darwin's Theory:
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MCQs:  The processes associated with evolution of a species collectively mean:
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MCQs:  When a population's large portion is destroyed by some calamity, the new populet from survivers shall have gene pool showing:
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MCQs:  Which of the following concepts is attributed to Charles Darwin:
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MCQs:  In which of the following books, Darwin published his theory:
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MCQs:  Darwinism can be explained briefly by a chart consisting of observed facts and deductions which was drawn jointly by:
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MCQs:  Which is the observed fact in the chart drawn by Darwin and Wallace:
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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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