NEET Biology Organisms and population Question Bank

done Growth Total Questions - 46

• question_answer1)
  The \[{{G}_{2}}\] phase of the cell cycle is signified by the synthesis of [AIIMS 1991]
  A)
  mRNA only done clear
  B)
  rRNA only done clear
  C)
  rRNA and mRNA done clear
  D)
  DNA done clear
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• question_answer2)
  Growth curve in animals is
  A)
  Delta curve done clear
  B)
  Alpha curve done clear
  C)
  Beta curve done clear
  D)
  Sigmoid curve done clear
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• question_answer3)
  Mitotic division in chondriocytes, osteocytes and mesenchyme cells in an adult is the example of
  A)
  Multiplicative growth done clear
  B)
  Auxetic growth done clear
  C)
  Accretionary growth done clear
  D)
  Deaccelerating growth done clear
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• question_answer4)
  Growth curve indicates
  A)
  Growth rate done clear
  B)
  A growth parameter at various intervals done clear
  C)
  Absolute growth done clear
  D)
  Absolute increase done clear
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• question_answer5)
  T-cells are found in
  A)
  Thymus done clear
  B)
  Thyroid done clear
  C)
  Pulmones done clear
  D)
  Kidneys done clear
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• question_answer6)
  Which one of these is body building material   [MP PMT 1994]
  A)
  Protein done clear
  B)
  Sugar done clear
  C)
  Mineral salts done clear
  D)
  Fat done clear
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• question_answer7)
  Between the ages of 1 and 2 years, a baby boy's weight increases from 10 to 12 kg and  in the same period of time the weight of a teenage boy goes up from 50 to 55  kg. The percentage growth rate of [MP PMT 1994]
  A)
  The teenager is higher than that of the baby boy by 5 to 5.5% done clear
  B)
  The baby boy is higher than that of the teenager done clear
  C)
  The teenager is same as that of the baby boy done clear
  D)
  [a] and [b] both done clear
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• question_answer8)
  Accumulation of cells and formation of a bud at the site of amputation is
  A)
  Morphallaxis done clear
  B)
  Reparative bud done clear
  C)
  Blastema done clear
  D)
  [a] and [b] both done clear
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• question_answer9)
  The rapid growth during adolescence is the result of the hormone
  A)
  GH done clear
  B)
  Thyroxin done clear
  C)
  Both GH and thyroxin done clear
  D)
  Neither of the two done clear
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• question_answer10)
  Growth is
  A)
  Increase in size done clear
  B)
  Increase in weight done clear
  C)
  Synthesis of new protoplasm done clear
  D)
  All the above done clear
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• question_answer11)
  Morphallaxis is
  A)
  Reconstruction of the whole body done clear
  B)
  Growth of lost limb done clear
  C)
  Healing of injury done clear
  D)
  Regeneration with the help of blastema done clear
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• question_answer12)
  Compensatory hypertrophy is referred to the phenomenon when
  A)
  An organ redevelops done clear
  B)
  A small piece of body produces complete animal done clear
  C)
  One of the paired organs is lost, and the other begins to grow in size done clear
  D)
  An organ is automatically shed done clear
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• question_answer13)
  Postembryonic growth is
  A)
  Accretionary done clear
  B)
  Auxetic done clear
  C)
  Multiplicative done clear
  D)
  All the above done clear
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• question_answer14)
  In human beings, growth stops completely at the age of
  A)
  18 years done clear
  B)
  22-23 years done clear
  C)
  25 years done clear
  D)
  20 years done clear
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• question_answer15)
  The developing embryo shows
  A)
  No growth done clear
  B)
  Auxetic growth done clear
  C)
  Accretionary growth done clear
  D)
  Multiplicative growth done clear
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• question_answer16)
  Cell growth occurs during
  A)
  Interphase done clear
  B)
  Mitotic phase done clear
  C)
  Postmitotic phase done clear
  D)
  Interphase and postmitotic phase done clear
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• question_answer17)
  Accretionary growth is due to
  A)
  Reserve cells done clear
  B)
  Meristematic cells done clear
  C)
  Embryonic cells done clear
  D)
  Differentiated cells done clear
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• question_answer18)
  Growth in the first 10-13 years of age is controlled by
  A)
  Somatotrophic hormone done clear
  B)
  Thyroxine done clear
  C)
  Thymosin done clear
  D)
  Gonadotrophic hormone done clear
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• question_answer19)
  Substances synthesised during growth are
  A)
  Protoplasmic done clear
  B)
  Apoplasmic done clear
  C)
  Protoplasmic and apoplasmatic done clear
  D)
  Nucleic acids done clear
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• question_answer20)
  Absolute increase is the term which means
  A)
  Total growth in life time done clear
  B)
  Total growth in one year done clear
  C)
  Growth of a specific body organ done clear
  D)
  Difference between initial weight and final weight of the body during specific time interval irrespective of other factors done clear
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• question_answer21)
  In animals, growth rate is
  A)
  Uniform done clear
  B)
  Linear done clear
  C)
  Differential done clear
  D)
  Slow done clear
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• question_answer22)
  Multiplicative growth is found in
  A)
  Old age done clear
  B)
  Adulthood done clear
  C)
  Embryo done clear
  D)
  Childhood done clear
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• question_answer23)
  A new born sheep grows ....... times faster than a new born human being
  A)
  10 done clear
  B)
  24 done clear
  C)
  18 done clear
  D)
  28 done clear
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• question_answer24)
  Auxetic growth was defined by
  A)
  Huxley in 1932 done clear
  B)
  Needham in 1942 done clear
  C)
  Trambley in 1740 done clear
  D)
  H.V. Wilson in 1907 done clear
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• question_answer25)
  Growth curve shows
  A)
  Increase in the length of the animal with age done clear
  B)
  Increase in the mass of the animal with time done clear
  C)
  Increase in the number of cells with age done clear
  D)
  Increase in the mass of the animal with temperature done clear
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• question_answer26)
  The nearest approach to pure exponential growth is found in
  A)
  Rod shaped bacteria done clear
  B)
  Multicellular organisms done clear
  C)
  Larvae of insects in which complete metamorphosis takes place done clear
  D)
  All the above done clear
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• question_answer27)
  Absolute increase is
  A)
  Increase taken as a difference between the final and initial length of an organism for any period of time done clear
  B)
    Increase taken as a difference between the       final and initial age of an organism for any period of time done clear
  C)
  Increase taken as a difference between the final and initial size or weight of an organism for any period of time done clear
  D)
  Total increase in number of a population done clear
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• question_answer28)
  The portion of sigmoid growth curve where it represents almost a horizontal line indicates that growth rate
  A)
  Slows down (lag phase) done clear
  B)
  Increases very fast (Exponential phase) done clear
  C)
  Again slows down (Senescent phase) done clear
  D)
  Reduces and becomes constant (Steady phase) done clear
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• question_answer29)
  Growth controlling factors are
  A)
  Constitutional factors done clear
  B)
  Temperature done clear
  C)
  Nutritional factor done clear
  D)
  All the above done clear
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• question_answer30)
  Degrowth is seen during
  A)
  Regeneration done clear
  B)
  Autotomy done clear
  C)
  Metamorphosis done clear
  D)
  All the above done clear
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• question_answer31)
  Nucleoprotein ratio increases during
  A)
  Phase of wound healing done clear
  B)
  Dedifferentiation done clear
  C)
  Phase of blastema formation done clear
  D)
  Phase of redifferentiation done clear
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• question_answer32)
  Replacement of cells of skin takes place in
  A)
  1-2 days done clear
  B)
  2- 8 days done clear
  C)
  1- 2 weeks done clear
  D)
  2- 3 weeks done clear
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• question_answer33)
  The turnover time for intestinal cells is
  A)
  1-2 days done clear
  B)
  2- 3 days done clear
  C)
  3-5 days done clear
  D)
  1- 2 weeks done clear
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• question_answer34)
  Growth curve of higher animals is
  A)
  J-shaped done clear
  B)
  R-shaped done clear
  C)
  I-shaped done clear
  D)
  S-shaped done clear
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• question_answer35)
  Thymosine hormone secreted from the thymus gland
  A)
  In the early stages it enhances in later stages it decreases growth done clear
  B)
  Enhances growth done clear
  C)
  Decreases growth done clear
  D)
  Does not show any effect done clear
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• question_answer36)
  Juvenile stage extends from
  A)
  Birth to 10 months of age done clear
  B)
  10 months to 4 or 5 years of age done clear
  C)
  4 or 5 years to about 14 years of age done clear
  D)
  14 years to 20 or 22 years of age done clear
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• question_answer37)
  Growth abnormalities such as gigantism and dwarfism are due to
  A)
  Hormonal factors done clear
  B)
  Genetic factors done clear
  C)
  Deficiency of food done clear
  D)
  [a] and [b] both done clear
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• question_answer38)
  If one kidney of a man is lost, the other kidney enlarges to take over the function of the missing kidney and is called
  A)
  Restorative regeneration done clear
  B)
  Reparative regeneration done clear
  C)
  Autotomy done clear
  D)
  Compensatory hypertrophy done clear
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• question_answer39)
  During regeneration, in destructive metabolism respiratory quotient (R.Q.) in the tissue
  A)
  Increases done clear
  B)
  Decreases done clear
  C)
  Remains same done clear
  D)
  First increases then decreases done clear
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• question_answer40)
  When volume of body increases due to increase in the volume of cells, not in the number of cells, then it is called ?auxetic growth'. Such growth is found in [MP PMT 1996]
  A)
  Lizards done clear
  B)
  Men done clear
  C)
  Frogs done clear
  D)
  Nematodes done clear
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• question_answer41)
  At cellular level, GH affects growth by controlling the production of [MP PMT 1997]
  A)
  rRNA done clear
  B)
  tRNA done clear
  C)
  mRNA done clear
  D)
  None of the above done clear
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• question_answer42)
  Growth is an irreversible process seen at all organizational levels. It consists of [MP PMT 2002]
  A)
  Organ growth done clear
  B)
  Subcellular growth done clear
  C)
  Cell growth done clear
  D)
  All of them done clear
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• question_answer43)
  Damage to thymus in a child may lead to [CBSE PMT 2005]
  A)
  A reduction in haemoglobin content of blood done clear
  B)
  A reduction in stem cell production done clear
  C)
  Loss of antibody mediated immunity done clear
  D)
  Loss cell mediated immunity done clear
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• question_answer44)
  Pennatal growth in higher vertebrate is [AMU 2005]
  A)
  Auxetic done clear
  B)
  Accretionary done clear
  C)
  Multipilicative done clear
  D)
  None of these done clear
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• question_answer45)
  In an experiment freshly hatched larvae of an insect (Khapra beetle) were reared on a basal diet without increasing amounts of cholesterol. Results obtained are shown in the graph given in the table [AIIMS 2005]
  A)
  Cholesterol is an essential dietary requirement of khapra beetle done clear
  B)
  Growth of khapra beetle is directly proportional to cholesterol concentration. done clear
  C)
  Cholesterol concentration of \[2\,\mu g/g\] diet is the optimum level  done clear
  D)
  Growth of khapra beetle is inhibited when cholesterol concentration exceeds \[5\,\mu g/g\] diet. done clear
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• question_answer46)
  Which pair is essential for the growth of the fish in water [BHU 2005]
  A)
  Calcium and Phosphorus done clear
  B)
  Phosphates and carbonates done clear
  C)
  Sulphate and carbonates done clear
  D)
  Nitrates and sulphates done clear
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