1
The best source of iron
is:
a)
Milk
b)
Egg
c)
Cauliflower
d)
Green vegetables
2
Vitamins are useful to
the body for:
a)
Replacing the energy
lost
b)
The body growth
c)
Regulating the functions
of the body
d)
Maintaining the body
temperature
3
The metals used for the
manufacture of stainless steel are:
a)
Chromium and carbon
b)
Aluminum and carbon
c)
Copper and nickel
d)
Chromium and zinc
4
In refrigerator, the
refrigerant liquid is:
a)
Carbon dioxide
b)
Nitrogen
c)
Liquid helium
d)
Ammonia
5
Which of the following
is the least inflammable fabric?
a)
Cotton
b)
Nylon
c)
Rayon
d)
Silk
6
Which of the following
contains carbon?
a)
Chromite
b)
Bauxite
c)
Lignite
d)
Phosphorite
7
Which of the following
blood groups is the universal donor?
a)
A
b)
B
c)
AB
d)
O
8
Which of the following
fight infections in the body?
a)
WBCs
b)
RBCs
c)
Blood plasma
d)
Haemoglobin
9
The term ‘refraction of
light’ means:
a)
Bending of light rays
when they enter from one medium to another medium
b)
Splitting of white light
into seven colors when it passes through the prism
c)
Bending of light round
the corners of obstacles and apertures
d)
Coming back of light
from a bright smooth surface
10
In the visible spectrum,
the color having the shortest wavelength is;
a)
Green
b)
Red
c)
Violet
d)
Blue
11
What is used to
disintegrate bladder stones?
a)
Infrared
b)
Ultraviolet rays
c)
X-rays
d)
Ultrasonic’s
12
Mica is used in an
electric iron, because it is a :
a)
Bad conductor of heat
b)
Good conductor of heat
c)
Good conductor of
electricity
d)
Bad conductor of
electricity
13
A line on a map joining
places having equal atmospheric pressure is called?
a)
Isotherm
b)
Isobar
c)
Isocryme
d)
Isohaline
14
On additional of salt to
water, its:
a)
Boiling point increases
b)
Boiling point decreases
c)
Boiling point is not
affected
d)
Freezing point increases
15
If the velocity of a
particle is reduced to half of its initial value, then the kinetic energy of
the particle will:
a)
Get double
b)
Become four times
c)
Reduce to half its
original value
d)
Reduce to one-fourth of
its original value
16
A lunar eclipse occurs
when
a)
Sun, Moon, and Earth are
not in the same line
b)
Earth comes between the
Sun and the Moon
c)
Moon comes between the
Sun and Earth
d)
Sun comes between the
Earth and the Moon
17
Red light is used in
traffic signal because
a)
It has the longest
wavelength
b)
It is beautiful
c)
It is visible to people
even with bad eyesight
d)
None of these
18
The oil in the wick of a
lamp rises up due to:
a)
Pressure difference
b)
Low viscosity of oil
c)
Capillary action
d)
Gravitational force
19
A thick glass tumbler
cracks more easily than a thin one when hot water is poured into it. Why?
a)
Thick glass is more
brittle than thin glass
b)
Thick glass is of
inferior quality
c)
The inner surface of the
tumbler expands more than its outer surface
d)
The inner surface of the
tumbler expands more than its inner surface
20
How many cells are there
in the hen’s egg?
a)
1
b)
10
c)
100
d)
1000
21
The mirror placed near
the driver of a bus is:
a)
Plane mirror
b)
Convex mirror
c)
Concave mirror
d)
Cooling mirror
22
Beri-Beri is a disease,
caused by the deficiency of:
a)
Vitamin B
b)
Vitamin C
c)
Vitamin K
d)
Protein
23
Heliotropism is:
a)
Harmful effects of
helium
b)
Helicopter flight
control
c)
Medicine used to cure
heart diseases
d)
Movement of plant organs
towards sunlight
24
The isotope of uranium
which is very much radioactive is:
a)
U 235
b)
U238
c)
U233
d)
All of the above
25
The human skull consists
of:
a)
8 bones
b)
14 bones
c)
21 bones
d)
42 bones
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