Human Body

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151 Life of red blood cells in the body is :

A
60 days
B
120 days
C
365 days
D
465 days

152 The tissue in man where no cell division occurs after birth is :

A
skeletal
B
nerves
C
connective
D
germinal

153 Roundworm is a human parasite found in the

A
Small intestine
B
Liver
C
Stomach
D
Large intestine

154 The outermost layer of skin is :

A
Epidermis
B
Dermis
C
Tissues
D
Hypodermis

155 Homeostasis is the condition in which the body maintains

A
A relatively stable internal environment within limits
B
A changing state within an unlimited range
C
The lowest possible energy usage
D
A static state with no deviation from preset points

156 What is the number of chromosomes in a normal human body cell ?

A
43
B
44
C
45
D
46

157 Process of digestion is helped by which of the following:

A
Enzyme
B
Hormone
C
Mineral
D
Vitamin

158 The normal temperature of human body on the Kelvin scale is :

A
280K
B
290K
C
300K
D
310K

159 What part of the eye gets inflamed and becomes pink when dust gets into ?

A
Cornea
B
Choroid
C
Conjunctiva
D
Sclerotic

160 The main function of white blood cells in the body is to :

A
carry oxygen
B
help in clot formation
C
produce more red cells
D
protect body against diseases

161 Taenia solium (Tape worm) lives as a parasite in :

A
Pig
B
Abdomen of man/woman
C
Intestine of man/woman
D
Liver of man/woman

162 Blood group which have no antibodies

A
A
B
B
C
AB
D
O

163 Which of the following structures present in mammalian skin directly helps in keeping the body warm ?

A
Pigmented cells
B
Sweat glands
C
Lymph vessels
D
Blood capillaries

164 Haemoglobin is an important component of :

A
RBC
B
WBC
C
Platletes
D
Cytoplasm

165 Development of an egg without fertilization is called

A
Gametogenesis
B
Parthenogenesis
C
Oogenesis
D
Metamorphosis