TNPSC Group I Exam-Previous Year Question Paper-Subject wise Analysed Questions-Science-Part 16
376. Which of the
following is the test for histochemical characterization of carbohydrates?
A) Mercuric
bromosphenol blue method
B) Best carmine method
C) Periodic acid - Schiff method
D) Sudan
black - B method
Answer: (B)
377. Match
List - I with List - II and select the correct answer using the
codes given below:
List - I List - II
a) Vitamin
A 1. Antorachitic
b) Vitamin
B 2. Antisterilitic
c) Vitamin
D 3. Antixerophthalmic
d) Vitamin
E 4. Antineuritic
Codes:
a b c d
A) 3 4 1 2
B) 2 3 4 1
C) 4 2 3 1
D) 3 1 2 4
Answer:
(A)
378. Match
List - I with List - II and select the correct answer using the
codes given below:
List - I List - II
a) Free
martins 1. Spemann
b) Organizers 2. Steptoe and Edwards
c) Rh
- factors 3. Lillie
d) Test
tube babies 4. Landsteiner and Wiener
Codes:
a b c d
A) 2 1 4 3
B) 3 2 1 4
C) 4 1 2 3
D) 3 1 4 2
Answer:
(D)
379. The
phenomenon where animals undergo dormancy to escape from
excessive
heat is called
A) Diapause B) Aestivation
C) Hibernation D) Cyclomorphosis
Answer: (B)
380. The number
of segments in leech is
A) 26 B) 33
C) 44 D) 120
Answer: (B)
381. Which one of
the sponges is harmful to the Oyster industry?
A) Spongilla B) Hylonema
C) Euspongia D) Cliona
Answer: (D)
382. Terrestrial
insects produce
A) Urea B) Ammonia
C) Hippuric
acid D) Uric acid
Answer: (D)
383. The most
valuable pearl is produced by
A) Mytilus B) Unio
C) Meleagrina D) Ostrea Virginiana
Answer: (B)
384. Mark the
correct one :
A) Miracidium, Sporocyst, Cercaria, Redia,
Metacercaria
B) Cercaria, Sporocyst, Redia, Miracidium,
Metacercaria
C) Miracidium, Sporocyst, Redia, Cercaria,
Metacercaria
D) Cercaria, Sporocyst, Miracidium, Redia,
Metacercaria
Answer: (C)
385. Glochidium
is the larva of
A) Aurelia B) Fresh water mussel
C) Prawn D) Sponge
Answer: (B)
386. Haversian
canals are found in
A) Cartilages
B) Water
vascular system
C) Long
bones of mammals
D) Spinal
cord
Answer: (D)
387. Adenophysis
is a part of
A) Kidney B) Pituitary
C) Pancreas D) Thyroid
Answer: (B)
388. Consider the
statements:
I. Mitochondria
produce adenosine triphosphate
II. Mitochondria
produce adenosine diphosphate
III. Mitochondria
produce glucose
IV. Mitochondria
produce proteins
Of
the statements :
A) I
alone is correct
B) I
and II are correct
C) I,II
and III are correct
D) All
are correct
Answer: (C)
TNPSC
GROUP – I Exam-1996
(Preliminary
Exam-Original Question paper)
389. Consider the
statements:
X - rays
I. are
not electromagnetic radiations.
II. are
electromagnetic radiations
III. have
longer wavelengths
IV. have
shorter wavelengths
Of
these :
A) I
and III are correct
B) I
and IV are correct
C) II
and IV are correct
D) II
and III are correct
Answer: (C)
390. Consider the
statements:
Gemini
is
I. a
kind of flower
II. a
planet
III. a
twin star
IV. the
third sign of the Zodiac
Of
the statements:
A) III
and IV are correct
B) I
only is correct
C) II
only is correct
D) III
only is correct
Answer: (D)
391. Which one of
the following is correctly matched?
A) Radar -
to measure the intensity of radiation
B) Pulsar -
to measure the pulse of human beings
C) Sonar - for locating the submerged
objects
D) Quasar - to measure the energy of a quantum
Answer: (C)
392. Which one of
the following waves / rays are produced by nuclear
changes
in the atom?
A) Infrared
rays B) Light waves
C) X-rays D) g-rays
Answer: (D)
393. Artificial
satellites are used for
A) TV
transmission
B) detecting
minerals
C) space
research
D) All
the above
Answer: (D)
394. Sound
travels at maximum speed in
A) Vacuum B) Air
C) Water D) Steel
Answer: (D)
395. The minimum
length of a plane mirror in which a person can see
himself
full length should be
A) equal
to the person’s height
B) slightly
more than his height
C) nearly
half of his height
D) nearly
one- fourth of his height
Answer: (C)
396. Match
List - I with List - II and select the correct answer using the
codes given below:
List - I List - II
a) Bohr 1. Neutron
b) Organizers 2. Model of the hydrogen atom
c) Chadwick 3. Matter waves
d) de-Broglie 4. Photoelectric Effect
Codes:
a b c d
A) 2 4 3 1
B) 1 3 2 4
C) 2 4 1 3
D) 3 2 4 1
Answer:
(C)
397. If you walk
towards a plane mirror at a speed of 10 cm/s, at what
speed
does your image approach you?
A) 5
cm/s
B) 10
cm/s
C) 20
cm/s
D) information
inadequate
Answer: (B)
398. The normal
temperature of human body on the Kelvin scale is
A) 280 B) 290
C) 310 D) 340
Answer: (D)
399. Consider
the following statements:
Assertion (A) :
Heavy water (D2O)
could speed up the eradication of Polio and other viral diseases
Reason (R) : It
could help by protecting polio vaccine from the effects of tropical heat since it helps
vaccines to keep cool.
Now select the answer
according to the coding scheme given below:
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: (D)
400. Consider
the following statements:
Assertion (A) :
The relay satellite
transmits the TV programme continuously from one part of the world to
another.
Reason (R) : Its
period is less than period of rotation of earth
Now select the answer
according to the coding scheme given below:
A) (A)
is false but (R) is true
B) Both
(A) and (R) are true but (R) is not the correct explanation of (A)
C) Both
(A) and (R) are false
D) (A)
is true, but (R) is false
Answer: (D)
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