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)
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:
-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
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
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
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