TNPSC
Exam-GROUP- IV - Subject wise analysed Previous Year questions and Answers-Science-Part-1
TNPSC
GROUP – IV 2012
Science
1. Haemoglobin is the pigment useful to
transport gases. They are present in Red Blood cells. Identify the animals
which has blood without pigments.
A)
Human B) Birds
C) Earth worm D) Cockroach
Ans : (D)
2. Match List I with List II correctly and
select your answer using the codes given below :
List – I List - II
A)
Cholera 1. Fungi
B) African sleeping sickness 2. Virus
C) Phlegm 3. Bacteria
D) Dandruff 4. Protozoa
codes :
a b c d
A) 3 4 2 1
B) 4 2 1 3
C) 2 1 3 4
D) 1 3 4 2
Ans : (A)
3. How much current in consumed for a
tubelight which has 40W for domestic use?
A) 0.2 A B) 0.5 A
C) 1A D) 5.75 A
Ans : (A)
4. Match List I with List II correctly and
select your answer using the codes given below :
(Generation of Computers)
List – I List - II
A)
Present day 1. Valves
B) First 2. Integrated Circuits
C) Second 3. Fifth generation.
D) Third 4. Transistors
codes :
a b c d
A) 2 3 4 1
B) 4 2 1 3
C) 3 1 4 2
D) 1 4 3 2
Ans : (C)
5. Which is the correct Statement ?
‘Ratooning’ is the process followed
in the cultivation of
I) Sugarcane II) Paddy
III) Cotton IV) Jute
of
these
A) I only B) II only
C) III only D) IV
only
Ans : (A)
6. Which endocrine gland is attached to
kidney?
A) Pituitary gland B) Thyroid gland
C) Pancreas D) Adrenal gland
Ans : (D)
7. The opaqueness of the lens eye is known
as
A) Retinopathy B) Cataract
C) Astigmatism D) Presbiopia
Ans : (B)
8. Find out the correct composition of
Honey:
A) Sugar, Mineral, Pollen, Vitamin
B) Sugar, Protein, Pollen, Vitamin
C) Sugar, Mineral, Fat, Vitamin
D) Sugar, Mineral, Far, Amino acid.
Ans : (A)
9. Inheritance of genetic defects to
children can be prevented by
A) Somatic cell gene therapy
B) Germ cell gene therapy
C) Cloning gene technique
D) Karyotyping
Ans : (B)
10. The bottle lid made of cork is viewed
with the help of lens. There are many chambers in it. This observation by ……..
led to the discovery of cell.
A) Gregor Mental B) Charles Darwin
C) Robert Hooke D) Robert
Brown
Ans : (C)
11. Raw materials of photosynthesis are
I. Sunlight, Chlorophyll II. CO2, H2O
III. Sunlight, biliprotein IV. H2O, vitamins
of
these
A) I & IV B) II & IV
C) I & II D) III & IV
Ans : (C)
12. Match List I with List II correctly and
select your answer using the codes given below :
List – I List - II
A)
Brinjal 1. Legume
B) Apple 2. Berry
C) Pea 3. Septicidal capsule
D) Lady’s finger 4. Pome.
codes :
a b c d
A) 2 4 1 3
B) 4 1 3 2
C) 3 1 2 4
D) 1 2 3 4
Ans : (A)
13. Respiratory substrates are
I. Carbohydrates II. Fats
III. Proteins IV. Vitamins
of
these
A) I, II and IV B) I, II and III
C) I, III and IV D) I,
II, III and IV
Ans : (B)
14. The role of aluminium in aluminothermic
process is
A) oxidizing agent B) catalyst
C) reducing agent D) moderator
Ans : (C)
15. Match List I with List II correctly and
select your answer using the codes given below :
List – I List - II
A)
Finely divided nickel 1. Oxidation
B) Acidified potassium 2. Reducing agent
dichromate
C) Loss of electrons 3. Reduction
D) Gain of electrons 4. Oxidising agent
codes :
a b c d
A) 2 1 3 4
B) 3 2 1 4
C) 2 4 1 3
D) 1 2 4 3
Ans : (C)
16. Green manures can be obtained from which
of the following?
A) Cowdung and plant wastage
B) Sun-hemp and cluster bean
C) Sun-hemp and cwdung
D) Cowdung and animal wastage
Ans : (B)
17. Electroplating is a process of coating
one metal over the other metal by electrolysis. In the electroplating of silver
spoon with gold. the silver spoon must betaken as
A) cathode B) anode
C) electrolyte D) both
(A)& (B)
Ans : (A)
18. Which the following statements is/are
correct?
A)
During oxidation, addition of
hydrogen takes place
B) During oxidation, loss of electrons takes place.
C) During oxidation, gain of electrons
takes place.
D) During oxidation, addition of electropositive ion takes
place.
of these
A) I & III are correct B) III alone is correct
C) II
alone is correct D) I
& IV are correct
Ans : (C)
19. Witch one of the following is correctly
matched?
A)
PH value 1. S.P.L. Sorenson
B) Acid 2. Faraday
C) Battery 3. Arrhenius
D) Germanium 4. Conductor
Ans : (A)
20. Witch one of the following is hormones is
called personality hormone?
A) Growth
hormone B) Oxytocin
C) Vasopression D) Thyroxin
Ans : (D)
21. Pick out the correct statement:
A) Lightning bolt is not hotter than sun
B) Lightning bolt in 3 times hotter than su.
C) Lightning bolt is not hot
D) Lightning bolt is very cold.
Ans : (B)
22. The normal blood glucose level is
A) 80-120 mg/100 ml
B) 70-110 mg/100 ml
C) 60-110 mg/100 ml
D) 50-110 mg/100 ml
Ans : (A)
23. Match List I with List II correctly and
select your answer using the codes given below :
List – I List - II
A)
Fission 1. Yeast
B) Budding 2. Flowering plants
C) Fragmentation 3.
Bacteria
D) Pollination 4. Algae
codes :
a b c d
A) 3 1 4 2
B) 1 4 2 3
C) 4 2 3 1
D) 2 3 1 4
Ans : (A)
24. Microsoft Excel can be used for
A) Creating charts
B) creating documents
C) havigating web pages
D) creating sound files.
Ans : (A)
25. The Common chemical used to purify muddy
water to drinking water is
A) bleaching powder B) Potash alum
C) chlorine dioxide D) copper
sulphate
Ans : (B)
26. Consider the following statements:
Assertion
(A) : Reverse osmosis is used to purify water.
Reason
(R) : It is a membrane technology filtration method that removes many types of
large molecules and ions by applying pressure to the solution on one side a
selective membrane.
Now select your answer according to
the coding scheme given below:
A) Both (A) and (R) are correct
B) (A) is correct, but (R) is not relevant
C) (A) is not correct, but (R) is correct
D) Both (A) and (R) Wrong.
Ans : (A)
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