76 .When nitrogenous waste accumulates in the blood which organ is not functioning -
A.  Heart
B.  Liver
C.  Lungs
D.  Kidneys
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77 .Estrogen & Progesterone control & stimulate the growth in:
A.  Supra Renal Gland
B.  Thyroid Gland
C.  Pituitary Gland
D.  Mammary Gland
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78 .Which of the following one of the following is also called as milk sugar -
A.  Glucose
B.  Fructose
C.  Lactose
D.  Maltose
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79 .The colour of the ocean seems to be blue as the sunlight falling on it is
A.  reflected
B.  refracted
C.  diffracted
D.  scattered
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80 .Cactus is referred to as
A.  Mesophyte
B.  Xerophyte
C.  Hydrophyte
D.  Epiphyte
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81 .AIDS virus has:
A.  single-stranded RNA
B.  single-stranded DNA
C.  double-stranded RNA
D.  double-stranded DNA
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82 .The 'Theory of Evolution' was put forward by
A.  Charles Darwin
B.  Aristotle
C.  Gregor Mendel
D.  Louis Pasteur
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83 .The disease in which bronchial tubes become narrow as a result of spasms of the bronchial muscles is called
A.  none of the above
B.  diphtheria
C.  influenza
D.  asthma
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84 .Which of the following one of the following is called the 'digestive bag' in the cell -
A.  Ribosome
B.  Lysosome
C.  Golgi body
D.  Mitochondrion
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85 .Which of the following one of the following is commonly known as 'Pond Silk' -
A.  Ulothrix
B.  Rhizopus
C.  Yeast
D.  Spirogyra
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86 .Which of the following angiosperm is vesselless -
A.  Maize
B.  Trochodendron
C.  Hydrilla
D.  Wheat
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87 .The area of the human tongue sensitive to bitterness is restricted to:
A.  middle part
B.  posterior part
C.  edges
D.  tip
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88 .Polyploidy arises due to change in the
A.  number of chromatids
B.  structure of genes
C.  structure of chromosomes
D.  number of chromosomes
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89 .The duration 19-21 days refers to:
A.  incubation period of hen's egg
B.  average life-span of a red blood cell in humans
C.  the period of menstrual cycle soon after menstruation, during which fertilisation is most likely to occur
D.  period of completion of one schizogony cycle of malarial parasite inside a red blood cell
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90 .Thalassemia is a hereditary disease. It affects
A.  Heart
B.  Lungs
C.  Blood
D.  Spleen
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