1
GENERAL SCIENCE SET 1
1 1.Which of the following varieties of coal has the
highest amount of carbon in it
(JTO-LICE AP 2013)
a)
Anthracite
b)
Bituminous
c)
Ligite
d)
Peat
Ans:a
Points to remember:
i)
Carbon content
in charcoal varies with types of coal
1.
Anthracite
90%
carbon
2.
Bituminous coal
70%carbon
3.
Lignite 40%
carbon
4.
Peat 10
to 15 % carbon
ii) Charcoal
is more reactive form of carbon because of large surface area
2.
2. In eye donation which part of the eye is
transplanted(JTO-LICE AP 2013)
a)
Retina
b)
Cornea
c)
Eye ball
d)
Irish
Ans:b
3. 3. Which as is green house gas
a)
Oxygen
b)
Carbon-di-oxide
c)
Nitric acid
d)
Nitrogen oxide
Ans:b
-Points to remember:
Green house gases:
i)
Carbon di oxide (CO2)
ii)
Carbon monoxide(CO)
iii)
Methane (CH4)
iv)
HFC(Highdrofluorocarbon),HCF(Chloroluorocarbon)
v)
Nitrous oxide
vi)
Sulphur Dioxide
vii)
Water vapour
4. 4. Which
one of the following is a mixture(jto-lice AP 2013)
a)
Lime
b)
Table salt
c)
Sugar
d)
Seawater
Ans:
Air is a mixture
5. 5.Conjunctivitis is a disease of the (Jto-lice
Bihar 2013)
a)
Liver
b)
Colon
c)
Eyes
d)
Mouth
Ans
6. 6. A test-tube baby means, fertilization of the
ovum and development (jto-lice Bihar 2013)
a)
Test-tube
b)
Test-tube and uterus respectively
c)
Uterus
d)
Uterus an test –tube respectively
Ans:
7.
7. Which of the following is a vector quantity? (Jto-lice
Bihar 2013)
a)
Momentum
b)
Pressure
c)
Energy
d)
Work
Ans: a
8. 8. A block
of ice is floating in a glass containing water. When the ice melts completely,
.. of the water in the glass will (Jto-lice Bihar 2013)
a)
Rise
b)
Fall
c)
Not chage
d)
None of these
Ans:c
9. 9. How can boiling point of a liquid be reduced?
a)By adding a soil of lower melting point
b) by dissolving a soluble solid in it
c) by increasing the pressure on the liquid
d) by decreasing the pressure of the liquid
ans: d
1 10. Electromagnetic
radiation with maximum wavelength is (Jto-lice Bihar 2013)
a)
Ultraviolet
b)
Radio waves
c)
X-rays
d)
Infrared
Ans:b
GENERAL SCIENCE SET II
11.
Which has the highest electron negativity (Jto-lice Bihar 2013)
a)
F
b)
Cl
c)
Br
d)
I
Ans:a
Points to be remember
i)
The electro negativity decreases down the group
, increases along the period
ii)
Power of atom to attract electron pairs.
F >
O > Cl
> N
4.00 >3.50 >3.10 >3.00
iii) The electronegatiivity scale was
discovered by Linus Pauling.
12.
The process of sudden cooling is known as (Jto-lice Bihar 2013)
a)
Annealing
b)
Diffusing
c)
Quenching
d)
Seimentation
Ans: c
13.
Which metal is liquid at Room
temperature(jto-lice J&K)
a)
Gold
b)
Hydrogen
c)
Silver
d)
Mercury
Ans:d
Points to be remember:
i)
The first known super conductor is Mercury
ii)
Mercury
flows so easily and rapid that it is sometimes called quick silver
iii)
The highest metal is – lithium
iv)
Mercury is the metal having lowest melting
point(-390C)
v)
Liquid non-metal at room temperature is bromine
vi)
Bromine
is transparent reddish liquid that evaporate at body temperature to give an
orange vapor
vii)
Metals kept under kerosene are sodium , potassium, caesium etc
viii)
The most harmful metal to human beings is lead
ix)
the non-metal
which shows electric conductivity is Graphite(Carbon)
14.
With respect to speed and velocity which of the following is true?
a (a) Speed and velocity are always equal
b (b) Speed is always less than velocity
(c) Velocity is always smaller than or equal to
speed
d (d) Speed is always smaller than or equal to
velocity
Ans: c
