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1) Stanley Miller in his classical experiment on formation of amino acids passed an electric discharge in the mixture of: a. Steam, Methane, Hydrogen and Ammonia b. Methane, Carbondioxide, Oxygen and Hydrogen c. Ammonia, Oxygen, Hydrogen and Water d. Methane, Hydrogen, Nitrogen and steam
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2) Karyon is the basis of differentiation in between: a. Enaima and Anaima b. Prokaryotes and Eukaryotes c. Protista and Monera d. None of these
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3) In his experiment Stanley Miller was successful to demonstrate the formation of amino acids by passing an electric discharge in a mixture of ammonia, water, hydrogen and: a. Ethane b. Methane c. Carbon-dioxide d. Ethanol
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4) True Nucleus is absent in bacteria because: a. The nuclear membrane is absent b. The histones do not form complex with DNA c. Bacteria lack nuclear membrane and histones d. None of these
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5) 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
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6) To prove that organic molecules formed in the primitive ocean were respobsible for origin of life on earth, Millar carried out their synthesis from: a. CH4, NH3, H2 b. CH4, N2, H2 c. NH3, H2, Water vapours d. NH3, H2, CH4, water vapour
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7) The hard Liithosphere was studded with volcanic eruptions pouring out hot lava. The Nitrogen and Carbon Atoms of atmosphere formed nitrides and Carbides respectively by reacting with metallic atoms of lava. The hot water vapours of atmosphere and carbides reacted to form Methane and water vapours and metallic nitrides reacted to form Ammonia. This statement regarding origin and evolution of organic compounds is: a. Correct b. Partially wrong c. Wrong d. None of these
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8) Amino acids, Sugards, Glycerol, Fatty acids, Nitrogen bases etc. formed in the primitive ocean survived because they were neither oxidized nor putrified. The reason were: a. Absence of oxygen in primitive ocean b. Absence of Bacteria in the environment c. Both (a) and (b) d. None of these
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9) During the course of time of origin of life, the nucleic acids were formed in the primitive ocean. Certain proteins like histones associated with these nucleic acids to form nucleoproteins which appeared as "Self-duplicating System" by virtue of this property the nucleic acid became capable of performing hereditary function. The statement according to your opinion is: a. TRUE b. Wrong c. Partially wrong d. None of these
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10) The coaservates which acquired nucleoproteins became first cellular organisms and their parts later became modified during the course of time due to chemical changes in the nucleic acid is the view of the scientist: a. Oparin b. Lamarck c. Darwin d. Aristotle
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11) According to Horowitz (1945) and Leslie Orgel (1975) the life originated in the sea as free naked gene which linked into chains and later proteins gathered around them to form viruses. The viruses by gathering other molecules and forming a thin binding membrane organized into prokaryotes. Whether this statements is: a. Correct b. Incorrect c. Partially incorrect d. Absurd
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12) Jean Baptist de Lamarck - a French Naturalist, besides giving his famous theory of organic, Evolution, also coined the word: a. Biology b. Invertebrates c. Both (a) & (b) d. None of these
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13) The ultimate source of organic variations is: a. Sexual reproduction b. Hormonal action c. Natural Selection d. Mutation
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14) Lamarck's theory of organic evolution was published in the book entitled: a. Systima Naturee b. Philosophic Zoologique c. Origin of species d. None of these
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15) Lamarck's "Theory of Organic Evolution" is based upon: a. Effect of environment b. Use and disuse of body parts c. Inheritance of acquired characters d. All of these
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16) "The animals of colder countries have small ears, short tail and limbs to avoid more loss of heat" is the theme of: a. Allen's law b. Dollo's law c. Gause's law d. Cope's Law
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17) Which of the following facts make Lamarckism doubtful: a. Neck of giraffe elongated for grazing from high trees b. Trees of high altitudes have sloppy branches to avoid deposition of snow c. Deer is fast runner for protection from predators d. Indian ladies have been getting their ears pierced since ages but pierced ears are not inherited
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18) 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
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19) Neck and fore limbs in African giraffe increased in length as a result of: a. Variation in these organs b. Mutations in these organs c. Use and disuse d. None of these
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20) Which of the following facts definitely casts doubt on Lamarckian theory: a. Snakes lost their limbs due to burrowing mode of life b. Neck and fore limbs of African giraffe use for generations c. Vestigial organs were functional ones but now undergone degeneration due to loss of their function d. Blacksmith's son does not have powerful arm muscles as his father
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21) Which of the following concepts is attributed to Lamarck: a. Struggle for existence b. Survival of the fittest c. Inheritance of acquired characters d. Cells come from pre-existing cells
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22) Which of the following theories of evolution can best explain the vestigial organs: a. Darwinism b. Lamarckism c. Natural selection d. Special creation
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23) Lamarck's theory of organic evolution cannot give best explanation for one of the following: a. Rudimentary eyes in deep-sea fishes b. Strong canines and claws of carnivores c. Fast running adaptations in deers d. Only those which are fittest can survive and are selected by the nature
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24) Which of the following facts is not correct about Lamarckism in the light of current scientific knowledge: a. All the characters acquired by the individuals during life time and inherited b. Organs used more by the organism grow more in size c. Both (a) & (b) d. None of these
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25) Which of the following statements will be wrong in contest of modern concept of evolution: a. Isolation prevents interbreeding between members of same species b. Appreciably small "Gene Pool" will lead to significant variations c. Variations in the organisms are caused by sexual reproduction d. None of these
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26) "Neolamarckism" states that: a. There is enormous fertility in organisms but their number always remains constant b. "Like begets Like" c. All the beritable characters are carried by 'genes' which become incorporated in the genotype and are heritable d. The life cycle of an individual repeats the characters which were present in its ancestors
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27) Greatest blow to Lararckism came from the work of: a. Charles Darwin b. August Weismann c. Hugo De 'Vries d. Alfred Russell Wallace
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28) 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: a. "Theory of survival of fittest" b. "Theory of continuity of germplasm" c. "Inheritance of acquired characters" d. "Isolation plays significant role in evolution"
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29) 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: a. Environment b. Gametes c. Both (a) & (b) d. None of these
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30) According to Weismann theory which of the following facts will be correct: a. Changes occurring in somaplasm during life time are inherited b. Germplasm continues generation after generation as impartial matter whereas somaplasm only functions to house the germplasm c. In the struggle for existence due to over production, environmental effects the individuals which are best suitable to get maximum chances for mating d. None of these
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31) By illustrating the examples of African giraffe and snakes Lamarck emphasized mainly that: a. Nature selects the forms which are fittest in the struggle for existence b. Development and efficiency of body organs are an proportion to their use and disuse c. Variations (environmental or mutations) are respobsible for process of organic evolution d. The organisms have enormous fertility leading to over production but their number is always kept constant by the nature
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32) Which of the following features are raw materials in evolution according to Darwin's Theory: a. Intra-specific character b. Acquired variations c. Acquired capabilities d. Inherited variation
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33) The processes associated with evolution of a species collectively mean: a. Natural Selection b. Heredity c. Mutation d. Adaptation
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34) When a population's large portion is destroyed by some calamity, the new populet from survivers shall have gene pool showing: a. Genetic drift b. Genetic maladjustment c. Both (a) & (b) d. None of these
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35) Which of the following concepts is attributed to Charles Darwin: a. All the characters acquired by the organisms in their life time are inherited b. The cell come from pre-existing cells c. In the struggle for existence, the fittest individuals survive d. Use and disuse of organs is important in evolution
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36) In which of the following books, Darwin published his theory: a. "Principles of population" b. "On the origin of species by Natural Selection" c. "Genetic and origin of species" d. None of these
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37) Darwinism can be explained briefly by a chart consisting of observed facts and deductions which was drawn jointly by: a. Darwin and Charles Lyell b. Darwin and Malthus c. Darwin and Morgan d. Darwin and Wallace
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38) Which is the observed fact in the chart drawn by Darwin and Wallace: a. Enormous fertility in the organisms yet the number is constant b. Struggle for existence, variation and heredity c. Survival of fittest and continuous changes in environment d. All of these
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39) From the observed fact namely "Enormous fertility yet number is constant". Darwin and Wallace could make out some conclusion which is: a. Struggle for existence b. Survival of the fittest c. Structural modifications leading to new species d. None of these
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40) 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
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41) What could be deduced from Darwin and Wallace's observed fact entitled, "Survival of the fittest and continuous changes in environment": a. Structural modifications leading to a new species b. Struggle for existence, variation and heredity c. Both (a) & (b) d. None of these
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42) The statement entitled, "I eat, you eat, he eats, I am eaten, you are eaten and he is eaten" is indicative of: a. Intra-specific struggle for existence in life b. Extra-specific struggle for existence in life c. Both (a) & (b) d. None of these
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43) If a population of organisms is introduced into a new territory where environmental conditions are favourable to it, the population grows rapidly because of: a. Increase rated of reproduction b. Absence of predators c. Unlimited food supply available d. More survival of offsprings
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44) The evolution of a species can be considered as the sum total of adoptive changes of species preserved by: a. Mass conservation b. Laws of motion c. Evolution d. Natural selection
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45) 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: a. Irradiation of seeds with visible light b. Heating the seeds upto 30?C c. Treating the seeds with strong chemicals d. Irradiating the seeds with X-rays
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46) Greatest drawback of Darwin's Theory was that it could not offer suitable explanation for: a. Survival of fittest b. Struggle for increase c. Enormous fertility leading to over production d. Variations
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47) 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: a. There was sudden mutation due to use and disuse and it lead to evolution in neck and fore legs b. There was effect of temperature on these animals and as a result the change occurred c. Only those members which had longer necks and fore legs were selected by nature d. There were variations in population
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48) One of the criticism to Darwinism was that it could not give satisfactory explanation for one of the following points: a. That there is constant struggle for existence among individuals for food, shelter and other benefits b. That there is enormous fertility among organisms leading to their over production c. That there is selection of fittest individuals by the nature d. Excessive overgrowth of useful structures bringing extinctions rather than evolution
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49) Which of the following points have been put forward by the scientists for criticism of Darwin's theory: a. That it lacks satisfactory explanation for causes, origin and inheritance of variations in the organisms b. That it offers no explanation for mutations which often bring useful or harmful variations c. That the concept covers evolutionary development of solitary structures only but not of sets of coordinated structures d. All of these
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50) Cause of struggle for existence among animals is: a. That excessive reproduction leads to increase in number b. That there is less availability of food to organisms c. That there is lack of spaces for living d. Due to all of these reasons
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51) Which of the following is associated with name of Darwin: a. Philosophic Zoologique b. Special Creation c. Variation d. Galapago's islands
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52) Darwin did not have much idea of mutations but he used a word to denote them which was: a. Variation b. Sports c. Phenotype d. None of these
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53) In formulating his theory of organic evolution by "Natural Selection", Darwin was greatly influenced by the writings of: a. Malthus b. Mendel c. De Vries d. Lamarck
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54) The theory of organic evolution by process of natural selection was proposed by: a. Mendel b. Darwin and Wallace c. Lamarck d. Darwin
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55) The book "Origin of Species" was published in the year: a. 1809 b. 1858 c. 1859 d. 1959
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56) The idea of "Survival of fittest" was first presented by: a. Lyell b. Mendel c. Darwin d. Spencer
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57) Which of the following was most influential in formulation of "Theory of Natural Selection": a. Inheritance of acquired characters b. Malthus's essay on population c. Struggle for existence d. Mendel's laws of inheritance
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58) Key point of Lararck's Theory was: a. Survival of fittest b. Continuity of germplasm c. Inheritance of acquired characters d. Descent with modifications
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59) Ship on which Darwin travelled was: a. Beagle b. Begle c. Baegle d. Bieggle
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60) One major criticism against Darwin's Theory on evolution is: a. That it does not explain presence of vestigial organs found in many mammals b. That is overestimates the reproductive capacity of organisms c. That it does not take into account the variations with heredity in the organisms d. That it pre-supposes that environment upon earth has been changing through ages
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