UGC NET Environmental Science 2014 Paper II with answers

UGC NET June 2021 exam for JRF & Assistant Professor exam will be conducted on 29th Jan 2022 and 06th Feb 2022. If you are searching NET previous year papers, then you are at right place. Here, we are providing UGC NET Environmental Science Previous year paper with answer for your ready reference.

For a clear night and with windspeeds < 3m/s, the atmosphere is
(a) stable
(b) slightly unstable
(c) neutral
(d) slightly stable

Ans – (a)

Assertion (A) – Chemosynthesis plays an important role in ‘S’ cycle.
Reason (R) – In chemosynthesis, som sulphur compounds act as source of energy.
Codes –
(a) Both (A) and (R) are true and (R) is the correct explanation
(b) Both (A) and (R) are true and (R) is not the correct explanation.
(c) (A) is true but (R) is false
(d) (A) is false but (R) is true.

Ans – (a)

Which of the following is NOT a correct statement?
(a) Tropics ar the warmest and wettest regions.
(b) Subtropical high pressure zones create dry zones at about 30 degree N and S
(c) Temperature and precipitation are lowest at the poles
(d) Temperature is lowest and precipitation is highest at the poles.

Ans – (d)

Protecting nature and the wilderness for its own sake is referred as
(a) Deep ecology
(b) Shallow ecology
(c) Self ecology
(d) Selfless ecology

Ans – (a)

Which one of the following organisms is a free living nitrogen fixer?
(a) Rhizobium
(b) Azotobacter
(c) Frankia
(d) Dorylimes

Ans – (b)

Which one of the following has highest bioconcentration factor (BCF) ?
(a) DDT
(b) DDE
(c) Chlordane
(d) Heptachlor

Ans – (a)

Consider an Ocean Thermal Energy Conversion (OTEC) process operating between 30 degree Celcius and 5 degree Celcius. What would be the maximum possible efficiency for an electricity generator station operating with these temperatues?
(a) 8%
(b) 15%
(c) 25%
(d) 40%

Ans – (a)

The process of ‘Nebulisation’ in Atomic Absorption Spectrophotometry is to
(a) convert the liquid sample to gaseous form
(b) convert the liquid sample into small droplets
(c) sublimate the sample
(d) solubilization of the solute

Ans – (b)

Individuals of a plant species occurring in a particular area constitute
(a) fauna
(b) flora
(c) flora and fauna
(d) population

Ans – (d)

A local population genetically, structurally and functinally adapted to its local environment is called
(a) ecotype
(b) ecophene
(c) ecad
(d) ecocline

Ans – (a)

Mycorrhizae is an example of
(a) Ammensalism
(b) Commensalism
(c) Parasitism
(d) Symbiosis

Ans – (d)

The entire series of communities of biotic succession from pioneer to climax community is known as
(a) Troph
(b) Sere
(c) Population
(d) Biome

Ans – (b)