Bone marrow is absent in
 

1.  reptilia
2.  amphibia
3.  fishes
4.  birds

Level 3: 35%-60%
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The property of semipermeability belongs to
 
1.  cell wall
2.  plasma membrane
3.  mitochondria only
4.  None of the above

 

 75%
Level 2: 60%+
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Translocation of photosynthetic end products in sieve tubes is
1.  3-5 mm/h
2.  3-5 cm/h
3.  1-5 cm/h
4.  60-100 cm/h

Subtopic:  Photosynthesis Transpiration Compromise & Mineral Translocation |
Level 3: 35%-60%
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Epidermis is specialized for
 
1.  respiration
2.  absorption
3.  protection
4.  All of these

 

 71%
Level 2: 60%+
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The pH of stomach is 1.6, then which enzyme will digest protein?
 
1.  Trypsin
2.  Pepsin
3.  Amylase
4.  Erypsin

 

 68%
Level 2: 60%+
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The normal type of embryo sac is 8-nucleated and
 

1.  8-celled
2.  7- celled
3.  6-celled
4.  5-celled

 82%
Level 1: 80%+
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Embryo sac is
 
1.  megaspore
2.  microgametophyte
3.  female gametophyte
4.  megasporangium

 

 63%
Level 2: 60%+
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The type of immunoglobulin present in the foetus are
1.  IgD
2.  IgE
3.  IgG
4.  IgM

Subtopic:  Human Immune System |
 63%
Level 2: 60%+
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For better survival of human Indian population, which is the most important step?
 
1.  Afforestation
2.  Reduction in population density
3.  conservation of wild life including tribals
4.  Both (A) and (C)

 

 62%
Level 2: 60%+
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Leukaemia is cause by
 
1.  Ca 40
2.  Sr 90
3.  caesium
4.  iodine

 

Level 3: 35%-60%
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