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CSIR UGC NET Compulsory – Model Paper 1

Hello CSIR UGC NET aspirants, This is the Model paper series for COMPULSORY paper – A from the CSIR syllabus – PAPER – I (Part A). This is useful for all aspirants. Check your ability with this model paper series. This is Model Paper -1.

csir ugc net Model paper series

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Compulsory Paper - Model Paper 1

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Question 1
Copper sulphate in presence of excess of ammonia gives blue color, the blue is due to
A
Cuperous ions
B
Complex ligand formation
C
Ammonium Sulphate
D
Cupric ions
Question 2
Smog is due to...
A
Low temperature of earth surface
B
increase in Carbon dioxide
C
More moisture in environment
D
Air pollution derived from smoke and vehicles
Question 3
The computer codes for decimal number 99 will be
A
1100011
B
1000011
C
011000111
D
1110111
Question 4
Blue color of Sky is due to
A
Answer is not in the options
B
Due to consumption of sunlight
C
Crompton scattering
D
Scattering only
Question 5
Which of the following is responsible for ozone hole?
A
Chlorine
B
Nitric Oxide (NO)
C
Methane (CH4)
D
Carbon dioxide (CO2)
Question 6
Which statement is not correct for all mammals
A
Presence of asexual reproduction
B
Absence of laying egg
C
Absence of Scales
D
Absence of segmentation
Question 7
The fact that night sky is dark shows that the universe
A
originated in big bang
B
is infinitely old
C
is infinite in extent
D
is not infinitely old
Question 8
Core of the moon is
A
Volatile gas
B
Viscous liquid
C
Solid
D
Plasma
Question 8 Explanation: 
Core moon is solid like earth's core
Question 9
Among following which cell can be divided by binary fission...
A
Bone-marrow cell
B
Nerve cell
C
RBC
D
Muscle cell
Question 10
Salivary amylase acts most effectively in
A
A Neutral solution
B
An Alkaline Solution
C
any state
D
An acidic solution
Question 11
Which of the following element is required for production of thyroxin?
A
Bromine
B
Flourine
C
Iodine
D
NaCl
Question 12
Which one is an egg laying mammal
A
Whale
B
Spiny ant eater
C
Scaly ant eater
D
Bat
Question 13
The period of isolation for chicken pox is
A
at least one week
B
not less than 2 weeks
C
until all the scabs have fallen off
D
ten days after the appearance of rash
Question 14
The mean salinity of sea 35 g per liter. The main cause of this observed salinity is...
A
Reverse drainage
B
Photosynthesis
C
Crust erosion and surface runoff
D
Evaporation and Rainfall
Question 15
If a certain place shows stable population distribution. It means maximum number of individual will be ...
A
Oldest
B
Youngest
C
Healthy
D
Reproductively more active
Question 16
What amount has to be taken from 11 N HCl to make 50 ml of 2N HCl
A
9.09 ml
B
11.0 ml
C
6.03 ml
D
2.0 ml
Question 17
Which of the following has the shortest gestation period
A
Camel
B
Cow
C
Buffalo
D
Goat
Question 18
High biological oxygen demand in water body indicates
A
Chemical pollution
B
High Photo autotroph
C
Pressure of heterotrophs
D
Organic pollutant
Question 19
Earth is active planet and have phenomenon like volcano, earthquake and continental drift. The major source of energy for continental drift is ..
A
Radioactivity in core of earth
B
Earth gravity
C
Energy from sun
D
Moon gravity
Question 20
Which of the following is not possible in biological systems?
A
Protein -> RNA -> DNA
B
Glucose -> amino acid -> Protein
C
DNA -> RNA -> Protein
D
RNA -> DNA -> Protein
Question 21
Parts per billion can be represented as ... 
A
μg/g
B
ng/Kg
C
μl/l
D
μg/Kg
Question 22
Which of the following is not direct consequence of green house effect
A
Rainfall
B
Increase in sea level
C
Tsunami
D
Global warming
Question 23
Zinc oxide is thermogenic, changing from white to yellow when heated to high temperature. This color change is caused due to
A
Fluorescence at high temperature
B
Stoichiometric property of metal
C
Burning of Oxygen
D
Non - Stoichiometric property of metal
Question 24
Oxidation of copper occurs in
  1. CuSO4 + Zn   → ZnSO4 + Cu
  2. Cu + AgNO3   → CuNO3 + Ag
  3. Fe + CuSO4   → Fe2(SO4)3 +Cu
  4. Cu + AuCl3     → 3 CuCl + Au
A
B and D
B
A and B
C
B and C
D
A and D
Question 25
Serum is
A
Purified blood
B
another name of Plasma
C
Plasma without fibrinogen
D
None of the above
Question 26
The kidney function do not include
A
Osmoregulation
B
Excretion of nitrogenous waste
C
Excretion of toxic materials
D
Re-absorption of bile salts
Question 27
Temperature above which gas can not be liquified even by applying pressure is termed as ...
A
Curie Temperature
B
Boyle temperature
C
Critical temperature
D
Charles temperature
Question 28
Brown ring test is confirmatory test for which anionic species
A
Fluoride
B
Nitrate
C
Chloride
D
Bromide
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There are 28 questions to complete.

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