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76 .When nitrogenous waste accumulates in the blood which organ is not functioning -
Heart
Liver
Lungs
Kidneys

77 .Estrogen & Progesterone control & stimulate the growth in:
Supra Renal Gland
Thyroid Gland
Pituitary Gland
Mammary Gland

78 .Which of the following one of the following is also called as milk sugar -
Glucose
Fructose
Lactose
Maltose

79 .The colour of the ocean seems to be blue as the sunlight falling on it is
reflected
refracted
diffracted
scattered

80 .Cactus is referred to as
Mesophyte
Xerophyte
Hydrophyte
Epiphyte

81 .AIDS virus has:
single-stranded RNA
single-stranded DNA
double-stranded RNA
double-stranded DNA

82 .The 'Theory of Evolution' was put forward by
Charles Darwin
Aristotle
Gregor Mendel
Louis Pasteur

83 .The disease in which bronchial tubes become narrow as a result of spasms of the bronchial muscles is called
none of the above
diphtheria
influenza
asthma

84 .Which of the following one of the following is called the 'digestive bag' in the cell -
Ribosome
Lysosome
Golgi body
Mitochondrion

85 .Which of the following one of the following is commonly known as 'Pond Silk' -
Ulothrix
Rhizopus
Yeast
Spirogyra

86 .Which of the following angiosperm is vesselless -
Maize
Trochodendron
Hydrilla
Wheat

87 .The area of the human tongue sensitive to bitterness is restricted to:
middle part
posterior part
edges
tip

88 .Polyploidy arises due to change in the
number of chromatids
structure of genes
structure of chromosomes
number of chromosomes

89 .The duration 19-21 days refers to:
incubation period of hen's egg
average life-span of a red blood cell in humans
the period of menstrual cycle soon after menstruation, during which fertilisation is most likely to occur
period of completion of one schizogony cycle of malarial parasite inside a red blood cell