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

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