TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Science-Part 14
326. Consider
the following statements:
Assertion (A) :
A better treatment for loss of kidney function is kidney transplant rather than dialysis
Reason (R) : Dialysis cannot perform all the functions of
the kidney
Of
the correct statements:
A) Both
(A) and (R) are correct
B) (A)
is correct, but (R) is incorrect
C) (A)
is incorrect, but (R) is correct
D) Both
(A) and (R) are incorrect
Answer: (B)
327. How
many bones are there in a human body?
A) 206 B) 208
C) 210 D) 212
Answer: (A)
328. Waterborne
disease is
A) Jaundice
B) Malaria
C) Woophing cough
D) Typhoid
Answer: (D)
329. To
which animal the world ‘ Murrah’ is referred?
A) Cow B) Horse
C) Buffalo D) Goat
Answer: (C)
330. Gobar
gas contains mainly
A) Carbon
dioxide B) Methane
C) Acetylene D) Ethylene
Answer: (B)
331. Which
group of blood is suitable to all?
A) A B) B
C) AB D) O
Answer: (D)
TNPSC
GROUP – I Exam- 1997
(Preliminary
exam-Original Question Paper)
332. Which
one of the following is NOT correctly matched?
A) Actinometer -
For measuring the intensity of
electromagnetic radiation
B) Dynamometer - For measuring
current
C) Anemometer -
For measuring the speed of wind
D) Atmometer - For
measuring the rate of evaporation
of water
Answer: (B)
333. Which
one of the following is correctly matched?
A) Quarks - A kind of crystal
B) Venus - Brightest planet in the night sky
C) Nucleon - Proton and electron
D) Maser - A powerful source of heat
Answer: (B)
334. When
a wave goes from one place to another it transports
A) Matter B) Energy
C) Mass D) Nothing
Answer: (B)
335. A
100 watt bulb will consume one unit of electrical energy in
A) 1hour B) 10 hours
C) one day D) 60 hours
Answer: (B)
336. In
an electric bulb, a little nitrogen or argon is introduced at low
pressure
to
A) cool
the hot filament
B) withstand atmospheric pressure
C) prevent evaporation of the element
D) increase brightness of the filament
Answer: (A)
337. An
artificial satellite can be tracked very precisely from the earth by using
A) Doppler
effect B) Radar
C) Sonar D) Zeeman effect
Answer: (A)
338. Consider
the following statements:
Assertion (A) :
In an electric bulb, the filament is in the form of a coiled coil
Reason (R) : A coiled coil filament occupies less space
and is therefore, not cooled
significantly by the convection currents in the bulb
Of
these :
A) Both
(A) and (R) are true and (R) is the correct explanation of (A)
B) Both
(A) and (R) are true but (R) is not the correct explanation of (A)
C) (A)
is true, but (R) is false
D) (A)
is false, but (R) is true
Answer: (A)
339. Match
List I with List II and select the correct answer using the codes
given below:
List I List
II
a) Range
of Audio frequency 1. Kilo Hz
b) Range of A.C. frequency 2.
20 Hz
c) Range
of Radio frequency 3. Mega Hz
d) Range of TV frequency 4. 50 Hz
Codes:
a b c d
A) 3 2 4 1
B) 2 4 1 3
C) 1 4 2 3
D) 3 1 4 2
Answer:
(B)
340. The
sudden fall of atmospheric pressure indicates
A) fair
weather B) Storm
C) rain D) cold wave
Answer: (B)
341. The
commonly used refrigerant in fridges is
A) Ammonia B) Liquid nitrogen
C) Liquid oxygen D) Freons
Answer: (B)
342. Which
one of the following layers of the atmosphere is responsible
for
the reflection of radio waves?
A) Troposphere B) Stratosphere
C) Mesosphere D) Ionosphere
Answer: (D)
343. Television
was discovered by
A) Becquerel B) H.J. Bhaba
C) Bohr D) J.L. Barid
Answer: (D)
344. On
adding a little antimony to germanium we get
A) p
- type semiconductor
B) n - type semiconductor
C) Metallic conductor
D) Intrinsic
semiconductor
Answer: (B)
345. Hydrogen
bomb is based on the principle of
A) Nuclear
fission
B) Nuclear fusion
C) Nuclear fusion
D) Electrochemical
reaction
Answer: (B)
346. Match
List - I with List - II and select the correct answer using the
codes given below:
List - I List - II
a) Cinnabar 1. PbS
b) Zinc blende 2. HgS
c) Galena 3. Al2O3, 2H2O
d) Bauxite
4. ZnS
Codes:
a b c d
A) 2 1 4 3
B) 2 4 1 3
C) 1 3 2 4
D) 3 1 4 2
Answer:
(B)
347. Sodium
thiosulphate is widely used in photography. Its main role in
photographic
process is due to
A) Reduction B) Oxidation
C) Complex formation D) Photo
decomposition
Answer: (A)
348. If
the percentage of oxygen in a metallic oxide is 33.33%, then
its
equivalent mass is
A) 66 B) 16
C) 32 D) 50
Answer: (B)
349. In
nature borax occurs as
A) Tincal B) Colemanite
C) Tridymite D) Borasite
Answer: (A)
350. Match
List - I with List - II and select the correct answer using the
codes given below:
List - I List - II
a) Tollen’s
reagent 1.
Cupric acetate in acetic acid
b) Barfoeds’ reagent 2. Mixture of CuSO4, Sodium citrate
and NA2CO3
c) Molisch
reagent 3. Ammoniacal
silver
d) Benedict’s
solution 4. Alcoholic 2-naphthol and Conc.
Codes:
a b c d
A) 3 1 4 2
B) 2 1 4 3
C) 2 3 1 4
D) 4 3 1 2
Answer:
(A)
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