1. Which of the
following is a non metal?
(A) Mercury
(B)
Magnesium
(C) Manganese
(D) None of these.
2. The increase in area of
the solid on heating is called
(A) Superficial
expansion
(B) Linear expansion
(C) Cubical expansion
(D) Quadrilateral expansion
3. The temperature at which
no more energy can be removed from matter is called
(A) Absolute zero
(B)
Boiling point
(C) 32º F
(D) 32°C
4. A lightning conductor is
a
(A) Piece of metallic wire
with spikes through which current can flow
(B) Substance that can be
charged by clouds
(C) Carbon rod
(D)
Plastic rod.
5. Which one of the
following is true for all chemical reactions?
(A) There is a change
in volume
(B) Heat is evolved
(C) Chemical bonds are
broken or formed
(D) There is a change in mass
6. The movement of
oxygenated blood from the left auricle to left ventricle and
then to aorta to all parts of the body is called
(A) Extracellular
circulation
(B) Pulmonary
circulation
(C) Systemic
circulation
(D)
Intracellular circulation
7. The process of crossing
two varieties with different characters to obtain new variety is
called
(A) Introduction
(B)
Selection
(C) Hybridization
(D) Conservation
8. Which metal is
present in the human body in greater percentage?
(A) Calcium
(B)
Sodium
(C) Potassium
(D) Iron
9. A Brief History
of Time is the title of a book written by
(A) Albert Einstein
(B) Stephen Hawking
(C)
Hendrick Lorentz
(D)
Isaac Newton
10. Which of the following
can produce a virtual image ?
(A) Plane mirror
(B) Concave lens
(C) Convex lens
(D) All of these
11. When a glass rod is
rubbed with a piece of silk cloth
(A) Both cloth and the
rod acquire positive charge
(B) Rod becomes
positively charged while the cloth has a negative charge
(C) Rod becomes
negatively charged while the cloth has a positive charge
(D) Both cloth and the
rod acquire negative charge.
12. A body immersed
in a fluid experiencs an upward thrust which depends on
(A) The weight of the
fluid displaced by it
(B) The volume of the body
(C) The mass of the
body
(D) All of these.
13. When Cu is exposed to
moist air for a long time, which of the following is formed?
(A) Cu(OH)2
(B)
CuCO3
(C) Both (A) and
(B)
(D) Cu2O
14. Which of the following
statements is true with respect to diamond?
(A) The carbon atoms
are connected to each other by metallic bonds.
(B) In the diamond
crystal, the carbon atoms are very loosely packed.
(C) Each carbon atom
in the crystal is surrounded by four others at the corners of a
regular tetrahedron.
(D) It is a
very soft substance.
15. Which of the following
is an acute infection of the small intestine caused by a bacterium?
(A) Cholera
(B)
Tuberculosis
(C) Polio
(D) Night blindness
Ans:
1. (D) 2. (A) 3. (A) 4. (A) 5. (C) 6.
(C) 7. (C) 8.
(A) 9. (B) 10.
(D) 11. (B) 12. (A) 13. (C) 14.
(C) 15. (A
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