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