Human Body

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121 Which among the following helps in circulation of blood ?

A
Arithrocytus
B
Blood platelets
C
Monocytes
D
Lymphocytes

122 The ability of the eye to see in the dark, is due to the production of a purple pigment known as

A
Carotene
B
Rhodopsin
C
Iodopsin
D
Retinene

123 In the case of test tube babies

A
egg is fertilized in the uterus.
B
embryo completes its development in a test tube.
C
embryo is placed in uterus after 2 months.
D
egg is fertilized outside mother’s body.

124 Labourers who do hard manual labour develop thick skin on their palms and soles due to :

A
thick epidermis
B
thick dermis
C
thick subcutaneous tissue
D
All of these

125 The element which is the most abundant in the human body is:

A
Oxygen
B
Carbon
C
Iron
D
Nitrogen

126 The large amount of sugar present in human blood is :

A
sucrose
B
glucose
C
fructose
D
lactose

127 DNA test was developed by which of the following:

A
Dr. Alec Jeffreys
B
Dr. V.K. Kashyap
C
Watson and Crick
D
Gregor Mendel

128 If the radius of blood vessels of a person decreases his/her blood pressure will

A
increase
B
decrease
C
remain unaffected
D
increase for males and decrease for females

129 The colour of the eye depends upon the pigment present in :

A
cornea
B
iris
C
rods
D
cones

130 An instrument for measuring blood pressure is called

A
Barometer
B
Spirometer
C
Sphygmomanometer
D
Haemocytometer

131 Blood groups were discovered by which of the following:

A
Altmann
B
Landsteiner
C
Losch
D
Ronald Ross

132 Normal fasting blood sugar level per 100 ml. of blood in man is :

A
30 - 50 mg
B
50 - 70 mg
C
80 -100 mg
D
120 -140 mg

133 Growth of the baby in the uterus is found using

A
X-rays
B
Gamma rays
C
Ultra sound
D
Ultraviolet rays

134 The percentage of water content in the human blood plasma normally varies from

A
60-64
B
70-75
C
80-82
D
91-92

135 The number of heart beats on an average in an adult human is in the range of :

A
60-65
B
66-70
C
71-80
D
85-90