InterviewSolution
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InterviewSolution
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. |
Accretionary growth is due toA. Reserve cellsB. Meristematic cellsC. Embryonic cellsD. Differentiated cells |
| Answer» Correct Answer - A | |
| 52. |
Postembryonic growth isA. AccretionaryB. AuxeticC. MultiplicativeD. All the above |
| Answer» Correct Answer - A | |
| 53. |
Multiplicative growth in found inA. Old ageB. AdulthoodC. EmbryoD. Childhood |
| Answer» Correct Answer - C | |
| 54. |
Auxetic growth is characterised byA. Increase in cell volume onlyB. Increase in cell number onlyC. Increase in fatty tissueD. Increase in intercelluar material. |
| Answer» Correct Answer - A | |
| 55. |
Auxetic growth is characterised byA. Increase in cell numberB. Growth without increase in cell numberC. Both increase in cell number and cell growthD. Expansion in transverse direction |
| Answer» Correct Answer - B | |
| 56. |
Ageing is characterised byA. Decline in metabolic activityB. Increase anabolismC. Increase catabolismD. Increase catabolism |
| Answer» Correct Answer - A | |
| 57. |
Fall in estrogen during ageing may causeA. thinning of bonesB. frailityC. disabilityD. All of these |
| Answer» Correct Answer - D | |
| 58. |
According to programmed senescence theory, which gene prevents ageing?A. bcl-2B. bkl-1C. bax-1D. bax-2 |
| Answer» Correct Answer - A | |
| 59. |
Isometric growth in found inA. fishB. locustC. grasshopperD. All of these |
| Answer» Correct Answer - D | |
| 60. |
Advanced glycosylation end productsA. loosen the tissuesB. damage the tissuesC. toughens the tissuesD. do not affect the tissues |
| Answer» Correct Answer - C | |
| 61. |
Which of the following is the term used for increase in call size due to synthesis of protoplasmic structure?A. HyperplasiaB. HypertrophyC. IntussusceptionD. None of these |
| Answer» Correct Answer - B | |
| 62. |
Hyperplasia is increase inA. cell numberB. cell protoplasmC. cell growthD. apoplasmatic structures |
| Answer» Correct Answer - A | |
| 63. |
Characteristic autonomy occurs inA. LizardsB. SnakesC. FrogsD. Cockroaches |
| Answer» Correct Answer - A | |
| 64. |
The mechanism of regeneration in Hydra was discovered by |
| Answer» Correct Answer - B | |
| 65. |
Read the given statements regarding changes occurring in organisms during ageing. I. Heart rate decreases slightly ageing. II. The brain loses some cells (neurons) and others become damaged. III. Enzyme aldolase becomes more effective. IV. Collagen becomes less permeable, rigid and insoluble. Which of the following changes occur in human beings?A. Only IB. I and IVC. II and IVD. I and III |
| Answer» Correct Answer - D | |
| 66. |
Assertion Growth involves the synthesis of protoplasmic materials. Reason During growth, catabolic activities are faster than anabolic activities.A. Both Assertion and Reason are true and Reason is the corrrect explanation of AssertionB. Both Assertion and Reason are true, but Reason is not the correct explanation of AssertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true |
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Answer» Correct Answer - C Growth may be defined as the increase in size and weight of an oganism due to synthesis of new protoplasuic materials. Growth occurs when the anabolic activities exceed the catabolic activities. |
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| 67. |
Birds are able to regenerate theirA. headB. tailC. beakD. legs |
| Answer» Correct Answer - C | |
| 68. |
Crustaceans, insects and spiders are able to regenerate theirA. legsB. abdomenC. headD. thorax |
| Answer» Correct Answer - A | |
| 69. |
Free radicals are involved in causingA. neurodegradationB. AIDSC. coldD. decreased immunity |
| Answer» Correct Answer - A | |
| 70. |
Degradation of which of the following enzymes is involved in ageing?A. TelomeraseB. XymaseC. LipasesD. Oxidoreductase |
| Answer» Correct Answer - A | |
| 71. |
The nearest approach to pure exponential growth is found inA. rod-shaped bacteriaB. multicellular organismsC. larvae of insects in which complete metamorphosis takes placeD. All of the above |
| Answer» Correct Answer - C | |
| 72. |
In human beings, growth stops completely at the age ofA. 22-23 yrsB. 10-15 yrsC. 30-32 yrsD. 9-12 yrs |
| Answer» Correct Answer - A | |
| 73. |
The usual shape of growth curve isA. sigmoidalB. inverted bell-shapedC. linearD. zig-zag |
| Answer» Correct Answer - A | |
| 74. |
Maximum growth in human foetus occurs at the age ofA. 8 monthsB. 6 monthsC. 4 monthsD. 2 months |
| Answer» Correct Answer - C | |
| 75. |
Growth occurs whenA. anabolism is higher than catabolismB. catabolism is higher than anabolismC. both anabolism and catabolism are equalD. None of the above |
| Answer» Correct Answer - A | |
| 76. |
Growth curve indicatesA. percentage increase in muscle massB. a growth parameter at various intervalsC. absolute growthD. None of the above |
| Answer» Correct Answer - B | |
| 77. |
Decline in hearing power begins after the age ofA. 50 yearsB. 35 yearsC. 45 yearsD. 10 years |
| Answer» Correct Answer - D | |
| 78. |
Mammals can generateA. BrainB. LiverC. LungD. Urinary bladder |
| Answer» Correct Answer - B | |
| 79. |
In mammals, the embryo begins to growA. Soon after implantationB. Soon after fertilization During descentC. During descentD. Only after formation of placenta |
| Answer» Correct Answer - A | |
| 80. |
Colostrum isA. Remains of placenta ejected after child bithB. Fore milkC. Fluid passed out prior to delivery of childD. Union with umbilical cord |
| Answer» Correct Answer - B | |
| 81. |
Which one is not a case of epimorphosis ?A. Replacement of limb in SalamanderB. Formation of sperms from small clump of cellsC. Replacement of severed arm of Star FishD. Regeneration of tail by lizard |
| Answer» Correct Answer - B | |
| 82. |
Regeneration is possible in tadpoles for amputatedA. Tail and hind limbsB. Jaws and eyesC. IntentineD. Forelimbs |
| Answer» Correct Answer - A | |
| 83. |
Regeneration of hydra isA. Morphollaxis by interstitial cellsB. Epimorphosis by interstitial cellsC. Epimorphosis by archaeocytesD. Epimorphosis by grandular cells |
| Answer» Correct Answer - A | |
| 84. |
Broken arms are regenerated inA. EchinodermsB. MolluscsC. Human beingsD. Fishes |
| Answer» Correct Answer - A | |
| 85. |
IN an aging person ,there is aA. Increase in mucopolysaccharide cement of connective tissueB. Gradual alteration in components of connective tissueC. Increasing collagen rigidity of connective tissueD. Both B and C |
| Answer» Correct Answer - D | |
| 86. |
Grouth harmone activity isA. Unaffected by thyroxinB. Increased by thyroxinC. Decreased in thyroxinD. None of above |
| Answer» Correct Answer - B | |
| 87. |
Which of the following is a morphological change occurring during ageing?A. Brittle boneB. Stooping bodyC. Wrinkled skinD. Both (b) and (c) |
| Answer» Correct Answer - D | |
| 88. |
Growth due to mitotic multiplication of reserve cells occurring in specific location of the body isA. auxetic growthB. multiplication growthC. accretionary growthD. All of these |
| Answer» Correct Answer - C | |
| 89. |
Lowest regeneration power is found inA. AmoebaB. SpongesC. coelenteratesD. brain cells |
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Answer» Correct Answer - D Regeneration is defined as replacement, repair or restoration of the lost or damaged structures or reconstitution of the whole body from a small fragment of it during post-embryonic life of an organism. Brain cells have lowest power of regeneration due to highly specific differentiation. |
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| 90. |
The kind of growth in which undifferentiated reserve cells get differentiated isA. accretionary growthB. auxetic growthC. multiplicative growthD. Both (a) and (b) |
| Answer» Correct Answer - A | |
| 91. |
Which of the following cells posses good regeneration power in mammals?A. LiverB. BrainC. KidneyD. Lung |
| Answer» Correct Answer - A | |
| 92. |
The cells of liver and kidney divide, but do not form undifferentiated tissue. Such type of regeneration is best known asA. compensatory hypertrophyB. morphollaxisC. epimorphosisD. compensatory regeneration |
| Answer» Correct Answer - D | |
| 93. |
Auxetic growth is characterised byA. increase in cell volume onlyB. increase in cell number onlyC. increase in fatty tissueD. increase in intercellular material |
| Answer» Correct Answer - A | |
| 94. |
Assertion Old age is not an illness. It is a continuation of life with decrease capacity for adaptation. Reason Cessation of mitosis is normal genetically programmed event. |
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Answer» Correct Answer - C Old age is not the age of illness. It includes progressive deterioration of the structure and functions of cells, tissue, organs and organ system. With the increasing age, the efficiency of heart decreases and consequently, the blood going to the brain and kidney, is reduced to `80% and 42%`, respectively. |
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| 95. |
Assertion Regeneration blastema is a bud-like structure formed during regeneration of limb in salamander. Reason Formation of regeneration blastema involves dedifferentiation. |
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Answer» Correct Answer - B Formation of a conical bulge called regeneration blastema or bud, below the newly formed epidermal cover so that the epidermis starts bulging during the regeneration of limp of salamander. A number of evidences have supported that the initotically proliferating cells in a regenerating limb are derived by a regressive process called transformation or dedifferentiation of specialised or fully differentiated cells of the skin, muscles, bones, etc. |
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| 96. |
Accumulation of cells and formation of a bud at the site of amputation isA. morphallaxisB. epimorphosisC. repairD. compensatory regeneration |
| Answer» Correct Answer - B | |
| 97. |
Autotomy is recoreded inA. legs in carbsB. tail of lizardsC. viscera in holothurian echinodermsD. All of the above |
| Answer» Correct Answer - D | |
| 98. |
Autotomy is most commonly seen inA. lizardsB. mammalsC. nematodeD. birds |
| Answer» Correct Answer - A | |
| 99. |
Assertion Coelenterates and flatworms show morphallatic regeneration. ltbr. Reason In both of these, a body fragment can develop into complete organism. |
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Answer» Correct Answer - A Hydra (coelenterales) is cut transversely into two or more parts. Then, these parts can grow into complete organism of smaller size. Planaria (Flat worm) can also develop into a complete animal through it has smallar size than the parental animal by morphallactic regeneration as in Hydra. |
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| 100. |
Which of the following correctly signifies the phases found in a sigmoid curve?A. Lag phase, plateau, accelerationB. Plateau, acceleration, lag phaseC. Log phase, plateau, exponential phaseD. Lag phase, acceleration, plateau |
| Answer» Correct Answer - D | |