31 .Normal blood pressure of man is
A.  85/120 mm Hg
B.  80/120 mm Hg
C.  120/160 mm Hg
D.  90/140 mm Hg
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32 .'Plague' is caused by ____.
A.  Protozoa
B.  Bacteria
C.  Virus
D.  All of the above
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33 .Adenosine Triphosphate (ATP) is
A.  a hormone
B.  a an enzyme
C.  a protein
D.  a molecule with high energy bonds
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34 .Movement of hairs in Drosera is referred to as
A.  Seismonastic
B.  Photonastic
C.  Thigmotropism
D.  Heliotropism
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35 .The 'stones' formed in human kidney consist mostly of
A.  calcium oxalate
B.  magnesium sulphate
C.  calcium HEALTH AND DISEASES
D.  sodium acetate
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36 .The source of oxygen generated during photosynthesis is:
A.  mesophyll cells
B.  chlorophyll
C.  carbon dioxide
D.  water
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37 .At which place is the Pineal Gland situated -
A.  in the Brain
B.  in the Liver
C.  in the Kidneys
D.  in the Uterus
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38 .What is the number of chromosomes in a normal human body cell -
A.  43
B.  45
C.  44
D.  46
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39 .Plant genetic material in 'GeneBank' is preserved at - 196° C in liquid nitrogen as.
A.  seedling & meristem
B.  pre-mature seed (high moisture)
C.  mature seed (dry)
D.  ripe fruit
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40 .Which of the following was the 1st antibiotic -
A.  Terramycin
B.  Penicilin
C.  Streptomycin
D.  Neomycin
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41 .The method used to obtain alcohol from molasses is called
A.  oxidation
B.  fermentation
C.  hydrolysis
D.  distillation
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42 .Which among the given processes does not increase the amount of carbon dioxide in air -
A.  Aerobic decay of vegetation
B.  Burning of petrol
C.  Photosynthesis
D.  Breathing
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43 .Movements due to light are shown by
A.  Flowering plants
B.  All the plants
C.  All land plants
D.  Lower plants
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44 .Camel is a desert animal, that can live without water for many days, as
A.  All of the above
B.  water is formed in the body due to oxidation of fat
C.  it does not need water
D.  it has the water sac in the walls of the lumen of stomach
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45 .Contraceptive pills in the market contain
A.  Steroid-hormones
B.  Antibiotics
C.  Inorganic compounds
D.  Herbicides
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