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