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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The most accepted line of descent in human evolution isA. Australopithecus `rarr` Ramapithecus `rarr` Homo sapiens `rarr` Homo habilisB. Homo erectus `rarr` Ramapithecus `rarr` Homo sapiensC. Australopithecus `rarr` Ramapithecus `rarr` Homo erectus `rarr` Homo habilis `rarr` Homo sapiensD. Ramapithecus `rarr` Homo habilis `rarr` Homo erectus `rarr` Homo sapiens |
| Answer» Correct Answer - D | |
| 52. |
The prefix mega-indicatesA. Million timesB. Hundred timesC. Thousands timesD. 1 lakh times. |
| Answer» Correct Answer - A | |
| 53. |
DNA analysis indicates and human species originated inA. Different parts of world independentlyB. Africa from the same ancetral stockC. Different parts of world from Homo erectus almost at the same timeD. Africa from different stocks. |
| Answer» Correct Answer - B | |
| 54. |
Which one of the following features is closely related specially with the evolution of humans?A. Flat nailsB. Loss of tailC. binocular visionD. Shortening of jaws |
| Answer» Correct Answer - D | |
| 55. |
Dryopithecys had an ape like character.A. Knuckle walkerB. U-shaped dental archC. Slightly projecting snoutD. All the above. |
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Answer» Correct Answer - D Enviornment Controlled Sex. (i) In some fishes likes Wrasse, all the individuals develop into females but the largest in each group changes sex to becomes male. (ii) In turtles, the animals are male below `28^(@)C`, female above `33^(@)C` and equal number of males and females between `28^(@)C-33^(@)C`. (iii) In snnaping low temperatures. (iv) In many crocodiles and some lizards males are produced at high temperature are females at low temperature. |
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| 56. |
Which epoch is of human civilizationA. PlioceneB. HoloceneC. PleistoceneD. Palaeocene |
| Answer» Correct Answer - B | |
| 57. |
Which epoch is of human civilizationA. PlicenceB. HoleceneC. PleistoceneD. Palaeocene. |
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Answer» Correct Answer - B Propertein and Proprotein. Secretory proteins produced o free ribosomes have larger tha normal polypeptide chains that constitute preproteins. It is because of the presence of signal peptides over them. When the signal peptide is removed, a preprotein generally produces protein precursor called proprotein, e.g., proalbumin pronusulin. Proprotein is further cleaved or transformed into useful protein e.g., albumin from proalbmin or insulin from proinsulin. |
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| 58. |
Theory of evolution indicates:A. man and apes have common ancestorB. man evolved from dinosaursC. man evolved from monkeyD. monkey evolved from man |
| Answer» Correct Answer - A | |
| 59. |
Which of the following features is not in the direction of the evolution of human species?A. Binocular visionB. Lack of prehensile tailsC. Raised orbital ridgesD. Shortening of the jaws |
| Answer» Correct Answer - C | |
| 60. |
Evolution of man was possible perhaps because our ape-like ancestors:A. used fireB. had no food problemsC. adopted group huntingD. adopted bipedal locomotion upon open ground |
| Answer» Correct Answer - D | |
| 61. |
Which of the following is a New World monkey?A. BaboonB. ChimpanzeeC. Rhesus monkeyD. Spider monkey |
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Answer» Correct Answer - D New World comprises North and South America. |
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| 62. |
The most important characteristic of promates is :A. colour visionB. growth in size of brainC. four chambered heartD. efficient respiratory organ |
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Answer» Correct Answer - B As compared to other animals, primates are intelligent. This is due to the large size of the brain. |
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| 63. |
Extra uridine rich small sized RNA isA. 5 S RNAB. sn RNAC. sc RNAD. 5.8 S RNA. |
| Answer» Correct Answer - B | |
| 64. |
Homo erectus is the zoological name ofA. Java ape manB. Peking manC. Neanderthal manD. Both A and B. |
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Answer» Correct Answer - D Moderately Repetitive Sequences. They are `15-300` base pair long repeats which occur scattered in the eucayotic DNA. A number of them are transposable, e.g., repeats of Alu family (includes sequence recongnised by Alu I restriction endonuleases). Several thousand. Alu repeats occur in human genome. |
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| 65. |
Sociobiology is the study ofA. Animal behaviourB. Plant interactionsC. Animal plants interactionsD. Evolutionary function of social behaviour. |
| Answer» Correct Answer - D | |
| 66. |
Which of the following statements is correct?A. Apes are ancestors of man anatomicallyB. Proconsul was the ancestor of man and not of apesC. Proconsul was perhaps the common ancestor of apes and manD. None of above |
| Answer» Correct Answer - C | |
| 67. |
Cranial capacity of Proconsul was about:A. 165 ccB. 100 ccC. 350 ccD. 400 cc |
| Answer» Correct Answer - A | |
| 68. |
Proconsul is the other name ofA. DryopithecysB. ParapithecusC. AegyptopithecysD. Ramapithecus. |
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Answer» Correct Answer - A Planet. It is a large celestial body that re-volves around a star. |
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| 69. |
Fossil of Neanderthal man was discovered by:A. LarletB. FuhlrottC. Mc GregorD. Pai. |
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Answer» Correct Answer - B Constellation. It is a grouping of celestial objects in the sky visible to us. Sky has 88 constellations (Iternational Astronomical Union, 1930). Some of these have been known and names since prehistoric times, e.g., Uresa Major (= Great Bear, Saptarshi, Feb-May, North), Ursa Minor (=Little Bear, Laghu Saptarshi with Pole star at one end or tail, April, Aug, South), Scorpius (Vrish-chika, Feb-Aug, South), Pleidaes (Krittika, Oct-jan, Overhead). In the past people used the position and presence of constellations to estimate season, month and time at night. |
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| 70. |
Fossil of Cromagnon Man were discovered inA. 1924B. 1891C. 1868D. 1856 |
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Answer» Correct Answer - C Brightest Star. Sirius (=Dog Star) or Alpha Cania Majoris is `8.6` light years away from earth and is member of constellation Cenus Major. |
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| 71. |
The cranial capacity of Peking man was about:A. 900 ccB. 1075 ccC. 1450 ccD. 1660 cc |
| Answer» Correct Answer - B | |
| 72. |
Kappa particles are present in the cytoplasm of Paramecium. They ar temperate bacteriophages living in the cytoplasm as endosymbionts.A. If both (A) and (R ) are true and (R ) is the correct explanation of (A).B. If both (A) and (R ) are true but (R ) is not the correct explanation of (A).C. If (A) is true but (R ) is false.D. If both (A) and (R ) are false. |
| Answer» Correct Answer - C | |
| 73. |
The first probable fossil man was:A. RamapithecusB. Homo habilisC. PithecanthropusD. Australopithecus |
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Answer» Correct Answer - B Because handy man belongs to the gensus Homo. |
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| 74. |
Highest cranial capacity has been inA. Peking ManB. Java ManC. Modern ManD. Handy Man. |
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Answer» Correct Answer - C Biogenesis. The term was coined by T.H. Huxley (1870) for life begets life. |
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| 75. |
The cranial capacity was highest among the:A. Peking manB. African manC. Java ape manD. Neanderthal man |
| Answer» Correct Answer - D | |
| 76. |
The cranial capacity was highest among the:A. Cro-Magnon ManB. Neanderthal ManC. Java ManD. Peking Man. |
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Answer» Correct Answer - A Asteroids. They are small planets, with a diameter of `15-940` km, which orbit around the sun mostly in a belt between Mars and Jupitar. |
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| 77. |
Which one is the closest relative of modern man today?A. GorillaB. GibbonC. Orang-utanD. Sinanthropus |
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Answer» Correct Answer - D Sinanthropus is the Peking man, other three are apes. |
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| 78. |
Which one is the closest to modern man ?A. Peking ManB. Cro-Magnon ManC. Java Ape ManD. African Man |
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Answer» Correct Answer - B Satellite. A small body , natural or artifical, that orbits a larger one (planet) e.g., moon, Salyut-7, Rohini |
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| 79. |
The closest relative of modern man is considered to be:A. GorillaB. GibbonC. Orang-utanD. Chimpanzee |
| Answer» Correct Answer - D | |
| 80. |
Which of the following is considered closest to man?A. GorillaB. AustralopithecusC. ChimpanzeeD. None of these |
| Answer» Correct Answer - B | |
| 81. |
Milky way isA. Spiral galaxyB. Barred spiral galaxyC. Elliptical galaxyD. Irregular galaxy. |
| Answer» Correct Answer - B | |
| 82. |
Asthenosphere isA. Solid part of mantleB. Semi-molten part of mantleC. Semi-molten part of coreD. Solid part of core. |
| Answer» Correct Answer - B | |
| 83. |
Challenger Deep in Mariana Trench reaches a depth ofA. `4.7 km`B. `6.056km`C. `9.754 km`D. `11.034 km`. |
| Answer» Correct Answer - D | |
| 84. |
Which of the following had the smallest brain capacityA. Homo erectusB. Homo habilisC. Homo sapiensD. Homo neanderthalensis |
| Answer» Correct Answer - B | |
| 85. |
PCR or polymerase chain reaction was discovered byA. Jeffreys et alB. Nakumura et al.C. Karry MullisD. Lander et al. |
| Answer» Correct Answer - C | |
| 86. |
Polymerase chain reaction is useful inA. Locating simple sequence repeatsB. Locating variable number of tandem repeatsC. Developing restriction mapsD. Amplification restriction maps |
| Answer» Correct Answer - D | |
| 87. |
Humans have sex determination mechanism that depends on X-chromosome. The key to sex determination in humans is the SRY located on X-chromosome.A. If both (A) and (R ) are true and (R ) is the correct explanation of (A).B. If both (A) and (R ) are true but (R ) is not the correct explanation of (A).C. If (A) is true but (R ) is false.D. If both (A) and (R ) are false. |
| Answer» Correct Answer - D | |
| 88. |
Nucleolus synthesises RNAA. 28 S and 18 SB. 28 S, 18 S and 5 SC. 28 S, 5.8 S and 5 SD. 28 S , 5.8 S and 5 S |
| Answer» Correct Answer - D | |
| 89. |
Evolution of life shows that life hard a trent of moving fromA. water to landB. land to waterC. dryland to wet landD. freshwater to sea water |
| Answer» Correct Answer - A | |
| 90. |
Among the human ancestors the brain size was more than 1000 cc in:A. RamapithecusB. Homo habilisC. Homo erectusD. Homo neanderthalensis |
| Answer» Correct Answer - D | |
| 91. |
Oldest fossils of lund animals consists ofA. AmphibiansB. CentipedesC. Primitive spiderD. Both B and C |
| Answer» Correct Answer - D | |
| 92. |
Albinism isA. Environment related disorderB. Genetic disorderC. Deficiency diseaseD. Infectious disease. |
| Answer» Correct Answer - B | |
| 93. |
Homo belongs to classA. MammaliaB. PrimataC. ProsimiiD. Anthropoidea. |
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Answer» Correct Answer - A XX males and XY Females. In human beings, 1 in 100,000 females has XY constitution while 1 in 20,000 males has XX crossing over or presence of TDF (testis determining factor) suppressor. |
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| 94. |
Amber isA. Fossilised peatB. Brown ligniteC. Brown fossilised resinD. Brown coal. |
| Answer» Correct Answer - C | |
| 95. |
A genetic trait with fitness of more than one willA. Remain insignificant in a populationB. Spread rapidly in a populationC. Spread slowly in populationD. Get eliminated. |
| Answer» Correct Answer - B | |
| 96. |
Prosimii includesA. LemurB. TarsierC. New World MonkeyD. Both A and B. |
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Answer» Correct Answer - D Wide Hybridisation. Stimulation of embryo devlopment without fertilization by the mere haplodies (= dipolids) from tetraploid (e.g., Potato) and trihaploids (triploid) from hexaploid. |
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| 97. |
Amber belongs toA. Quarternanry periodB. Middle teritary periodC. CretaceousD. Devonian. |
| Answer» Correct Answer - B | |
| 98. |
A genetic trait with fitness of less that willA. Get eliminated ultimatelyB. Remain in population in small proportionC. Spread slowly in popoluationD. Replace the normal allele. |
| Answer» Correct Answer - A | |
| 99. |
A pleiotropic in Drosophila is that ofA. Red-white eyeB. Bar eyeC. Vestigial geneD. Forked bristles. |
| Answer» Correct Answer - C | |
| 100. |
Precambrain includesA. Silurian and ordovicianB. Carboniferous and permianC. Jurassic and triassicD. Proterozoic and triassic |
| Answer» Correct Answer - D | |