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