McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
Chapters
| 101. |
Mesozoic era is called golden period of ______. |
| A. | bird |
| B. | amphibians |
| C. | reptiles |
| D. | pisces |
| Answer» C. reptiles | |
| 102. |
Which of the following leads to evolution ? |
| A. | Separation of species leading to evolution |
| B. | Differentiation of species |
| C. | Loss of few advanced characters |
| D. | Differentiation and adaption of species as unique entities |
| Answer» D. Differentiation and adaption of species as unique entities | |
| 103. |
Evolution and natural selection is demonstrated by |
| A. | DDT resistance in mosquito |
| B. | sickel cell anaemia in pygmies |
| C. | industral melanism |
| D. | all above |
| Answer» D. all above | |
| 104. |
An important evidence in favour of organic evolution is the occurence of |
| A. | homologous and analogous organs |
| B. | homologous and vestigial organs |
| C. | analogous and vestigial organs |
| D. | homologous organs only |
| Answer» B. homologous and vestigial organs | |
| 105. |
Potato and sweet potato ______. |
| A. | have edible parts which are homologous organs |
| B. | have edible part which are analogous organs |
| C. | have been introduced in India from the same place |
| D. | None of the above |
| Answer» B. have edible part which are analogous organs | |
| 106. |
Which one is not a vestigial organ in man ? |
| A. | Wisdom teeth |
| B. | Muscles of external ear-pinna |
| C. | Fossa ovalis |
| D. | Ileum |
| Answer» D. Ileum | |
| 107. |
The tracking of evolutionary history of organisms is ______. |
| A. | ontogeny |
| B. | phylogeny |
| C. | analogy |
| D. | homology |
| Answer» B. phylogeny | |
| 108. |
An old view about evolution states that the organisms were created by a super organism in the same condition as they exist now. This theory is called ______. |
| A. | theory of special creation |
| B. | theory of natural selection |
| C. | Lamarck’s theory of evolution |
| D. | theory of spontaneous generation |
| Answer» A. theory of special creation | |
| 109. |
Who gave evolutionary concept of determinants ? |
| A. | Dobzhansky |
| B. | Wright |
| C. | Weismann |
| D. | Lamarck |
| Answer» B. Wright | |
| 110. |
Darwin’s theory of natural selection is objected, because it |
| A. | stresses upon slow and small variations |
| B. | explains the adaption of certain inherited characters |
| C. | stresses on interspecific competition |
| D. | explains that natural calamities take a heavy annual toll of lives |
| Answer» B. explains the adaption of certain inherited characters | |
| 111. |
Given : 1 = natural selection ; 2 = variations and their inheritance ; 3 = survival of the fittest ; 4 = struggle for existence. According to Darwinism, which of the following represents the correct sequence of events in the origin of new species ? |
| A. | 1, 2, 3, 4 |
| B. | 2, 3, 1, 4 |
| C. | 3, 4, 1, 2 |
| D. | 4, 2, 3, 1 |
| Answer» C. 3, 4, 1, 2 | |
| 112. |
Theory of Lamarck was based on |
| A. | adaptive collision |
| B. | adaptive rediations |
| C. | adaptive modifications |
| D. | none of these |
| Answer» B. adaptive rediations | |
| 113. |
Darwin’s natural selection is based on |
| A. | variations |
| B. | prodigality, struggle for existence, survival of fittest |
| C. | law of use and disuse |
| D. | law of inheritance of acquired characters |
| Answer» A. variations | |
| 114. |
Industrial melanism is an example of |
| A. | natural selection |
| B. | mutation |
| C. | adaptive convergence |
| D. | artificial selection |
| Answer» C. adaptive convergence | |
| 115. |
Which statement is correct ? |
| A. | Lamarck theory – Struggle for existence |
| B. | Darwin theory – Use and disuse of organ |
| C. | Biogentic law – Recapitulation theory |
| D. | Lamarck theory – Theory of continuity of germplasm |
| Answer» C. Biogentic law – Recapitulation theory | |
| 116. |
Match the correct set.
|
| A. | I – A, II – B, III – C, IV – D |
| B. | I – D, II – B, III – C, IV – A |
| C. | I – A, II – B, III – D, IV – C |
| D. | I – D, II – A, III – C, IV – B |
| Answer» C. I – A, II – B, III – D, IV – C | |
| 117. |
A. Mutations occurring in the germinal cells of the gonads are called germs mutations. R. They are heritable raw materials for natural selection lead to origin of new species. |
| A. | If A and R both are true and R is correct explanation of A |
| B. | If A and R both are true but R is not correct explanation of A |
| C. | If A is true and R is wrong |
| D. | If A is wrong and R is true |
| Answer» A. If A and R both are true and R is correct explanation of A | |
| 118. |
A. All the finches on the Galapagos Islands descended from common ancestor. R. They show variations only in their beaks as they got adapted to different feeding habits. |
| A. | If A and R both are true and R is correct explanation of A |
| B. | If A and R both are true but R is not correct explanation of A |
| C. | If A is true and R is wrong |
| D. | If A is wrong and R is true |
| Answer» B. If A and R both are true but R is not correct explanation of A | |
| 119. |
Cosmozoic theory was given by ______. |
| A. | Darwin |
| B. | Richter |
| C. | Aristotle |
| D. | Von Baer |
| Answer» C. Aristotle | |
| 120. |
Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution ? |
| A. | Development of transgenic animals |
| B. | Production of ‘Dolly’ the sheep by clothing |
| C. | Prevalence of pesticide resistant insects |
| D. | Development of organs from ‘stem cells’ for organ transplantation |
| Answer» B. Production of ‘Dolly’ the sheep by clothing | |
| 121. |
Retrogressive evolution is shown by ______. |
| A. | man |
| B. | birds |
| C. | tunicates |
| D. | fish |
| Answer» A. man | |
| 122. |
Match the correct set.
|
| A. | I – B, II – A, III – D, IV – C |
| B. | I – A, II – B, III – C, IV – D |
| C. | I – B, II – C, III – D, IV – A |
| D. | I – B, II – D, III – C, IV – A |
| Answer» A. I – B, II – A, III – D, IV – C | |
| 123. |
A. Genetic drift refers to change in allelic frequencies of a gene pool due to chance and occurs both in large and small populations. R. Small populations will, therefore, suffer more than larger ones. |
| A. | If A and R both are true and R is correct explanation of A |
| B. | If A and R both are true but R is not correct explanation of A |
| C. | If A is true and R is wrong |
| D. | If A is wrong and R is true |
| Answer» A. If A and R both are true and R is correct explanation of A | |
| 124. |
In a population, group of individuals of similar phenotypes are formed due to differential reproduction due to |
| A. | genetic drift |
| B. | natural selection |
| C. | migration |
| D. | selective hybridization |
| Answer» A. genetic drift | |
| 125. |
Phylogenetic evolution refers to |
| A. | genetic relationship and evolutionary sequence |
| B. | similar habitat |
| C. | natural affinity of genes |
| D. | similar character |
| Answer» C. natural affinity of genes | |
| 126. |
Genetic drift occurs when few individuals of a colonize, the phenomenon is |
| A. | bottleneck effect |
| B. | assortative matin |
| C. | founder’s effect |
| D. | random mating |
| Answer» D. random mating | |
| 127. |
Sympatric speciation arises due to |
| A. | non-overlapping population of the same area |
| B. | geographical isolation |
| C. | overlapping population of the same area |
| D. | non-reproductive population of the same area |
| Answer» D. non-reproductive population of the same area | |
| 128. |
Hardy – Weinberg equilibrium is known to be effected by gene flow, genetic drift, mutation, genetic recombination and |
| A. | evolution |
| B. | limiting factor |
| C. | saltation |
| D. | natural selection |
| Answer» A. evolution | |
| 129. |
Assertion : According to Hardy – Weinberg Equilibrium, the frequency of an allele remains the same generation after genetation. Reason : The only way to bring about a change is by natural selection. |
| A. | A is correct and R is its explanation. |
| B. | A and R both are correct but R is not an explanation to A |
| C. | A is correct and R is false |
| D. | A is false and R is correct |
| Answer» D. A is false and R is correct | |
| 130. |
Which is not applicable to the Biological species concept ? |
| A. | hybridization |
| B. | natural population |
| C. | reproductive isolation |
| D. | gene pool |
| Answer» A. hybridization | |
| 131. |
Mass extinction of the end of Mesozoic era was probably due to ? |
| A. | continental drift |
| B. | the collision of earth with large meteorites |
| C. | massive glaciations |
| D. | change in earth’s orbit |
| Answer» C. massive glaciations | |
| 132. |
Apes share ............... blood groups with man |
| A. | A, B, AB |
| B. | A, B, O |
| C. | AB, O |
| D. | A and B only |
| Answer» C. AB, O | |
| 133. |
Present age of human known as ______. |
| A. | atomic age |
| B. | iron age |
| C. | bronze age |
| D. | silver age |
| Answer» D. silver age | |
| 134. |
Who was the first civilized man ? |
| A. | Cro-magnon man |
| B. | Neanderthal man |
| C. | Java ape man |
| D. | Peking man |
| Answer» A. Cro-magnon man | |
| 135. |
Leakey and Leakey discovered the fossils of ______. |
| A. | apeman |
| B. | erect man |
| C. | Peking man |
| D. | the tool maker |
| Answer» A. apeman | |
| 136. |
The correct sequence of course of cultural evolution from cromagnon to modern man is |
| A. | Palaeoilthic – Mesolethic – Neolithic – Bronze – Iron – Atomic |
| B. | Mesolethic – Bronze – Neolithic – Iron – Atomic |
| C. | Palaeolithic – Neolithic – Iron – Bonze – Atomic |
| D. | None above |
| Answer» A. Palaeoilthic – Mesolethic – Neolithic – Bronze – Iron – Atomic | |
| 137. |
Neanderthal man differs from modern man is ______. |
| A. | receeding jaw |
| B. | protuding jaw |
| C. | could make good tools |
| D. | could make good picture |
| Answer» A. receeding jaw | |
| 138. |
‘Piltdown man’ is |
| A. | Hemo habili |
| B. | Eoanthropus |
| C. | ho*mo sapiens |
| D. | Pithecanthropine |
| Answer» D. Pithecanthropine | |
| 139. |
The most recent in human evolution is ______. |
| A. | mesolithic |
| B. | neolithic |
| C. | upper palaeolithic |
| D. | middle palaeolithic |
| Answer» D. middle palaeolithic | |
| 140. |
Which one of the following statement is correct ? |
| A. | ho*mo erectus is the ancestor of man |
| B. | Fossils of Cro – magnon has been found in Ethopia |
| C. | Australopithecus is the real ancestor of modern man |
| D. | Neanderthal man is the direct ancestor of ho*mo sapience |
| Answer» A. ho*mo erectus is the ancestor of man | |
| 141. |
The evolution of genera ‘ho*mo’ occured in |
| A. | pleistocene |
| B. | pliocen |
| C. | miocen |
| D. | oilgocene |
| Answer» B. pliocen | |
| 142. |
Closest primate to man is ______. |
| A. | gorilla |
| B. | rhesus monkey |
| C. | orangutan |
| D. | lemur |
| Answer» A. gorilla | |
| 143. |
Which is correct according to cranial capacity from the figure given as examples ? |
| A. | A = 104 cc, B = 355 cc, C = 500 cc, D = 405 cc, E = 1400 cc |
| B. | A = 355 cc, B = 104 cc, C = 500 cc, D = 405 cc, E = 1400 cc |
| C. | A = 104 cc, B = 355 cc, C = 405 cc, D = 500 cc, E = 1400 cc |
| D. | A = 355 cc, B = 104 cc, C = 405 cc, D = 500 cc, E = 1400 cc |
| Answer» A. A = 104 cc, B = 355 cc, C = 500 cc, D = 405 cc, E = 1400 cc | |
| 144. |
Match the correct set
|
| A. | 2 3 1 4 |
| B. | 3 2 1 4 |
| C. | 2 1 3 4 |
| D. | 1 3 2 4 |
| Answer» C. 2 1 3 4 | |
| 145. |
Match the features from the columns
|
| A. | 3 4 2 1 |
| B. | 4 3 2 1 |
| C. | 3 4 1 2 |
| D. | 4 2 1 3 |
| Answer» B. 4 3 2 1 | |
| 146. |
A. Java man and peking men were called ho*mo erectus by Mayer. R. They appeared same as both used fire. |
| A. | A is correct and R is its explanation. |
| B. | A and R both are correct but R is not an explanation to A |
| C. | A is correct and R is false |
| D. | A is false and R is correct |
| Answer» A. A is correct and R is its explanation. | |
| 147. |
A. From evolutionary point of view, human gestation period is believed to be shortening. R. One major evolutionary trend in humans has been the larger head undergoing relatively faster growth rate in the foetal stage. Read the above statement the answer according |
| A. | If A and R both one correct and R is an explanation to A |
| B. | If A and R both are correct and R is an explanation to A |
| C. | If A is correct and R is wrong |
| D. | If A is wrong and R is correct |
| Answer» D. If A is wrong and R is correct | |
| 148. |
There are two opposing views about origin of modern man, According to the view ho*mo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation on DNA variation could suggest this ? |
| A. | Greater variation in Africa than in Asia |
| B. | Variation only in Asia and no variation in Africa |
| C. | Greater variation in Asia than in Africa |
| D. | Similar variation in Africa and Asia |
| Answer» C. Greater variation in Asia than in Africa | |
| 149. |
The first man to use fire was ______. |
| A. | neanderthal man |
| B. | ho*mo erectus |
| C. | cro-magnon man |
| D. | Australopithecus |
| Answer» B. ho*mo erectus | |
| 150. |
A human species who were more intelligent than the present human beings |
| A. | Ramapethicu |
| B. | Australopithicus africanus |
| C. | ho*mo erectus |
| D. | ho*mo fossilis |
| Answer» D. ho*mo fossilis | |
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