ugcnetonline.in NET Environmental Sciences Model Question Paper : University Grants Commission

Name of the Organization : University Grants Commission
Type of the Exam : UGC National Eligibility Test NET
Subject : Environmental Sciences
Year : 2014
Document Type : Model Question Paper

Website : http://www.ugcnetonline.in/question_papers_june2014.php
Download Model Question Paper :
Paper – II : https://www.pdfquestion.in/uploads/13018-EnviromentalII.pdf
Paper – III : https://www.pdfquestion.in/uploads/13018-EnviromentalIII.pdf

NET Environmental Sciences Model Question Paper :

Note :
** This paper contains fifty (50) objective type questions of two (2) marks each.
** All questions are compulsory

Related : University Grants Commission NET Electronic Science Model Question Paper : www.pdfquestion.in/13015.html

1. For a clear night and with windspeeds < 3 m/s, the atmosphere is
(A) stable
(B) slightly unstable
(C) neutral
(D) slightly stable

2. Assertion (A) : Chemosynthesis plays an important role in ‘S’ cycle.
Reason (R) : In chemosynthesis, some 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.

3. Which of the following is NOT a correct statement ?
(A) Tropics are the warmest and wettest regions.
(B) Subtropical high pressure zones create dry zones at about 30° N and S.
(C) Temperature and precipitation are lowest at the poles.
(D) Temperature is lowest and precipitation is highest at the poles.

4. Protecting nature and the wilderness for its own sake is referred as
(A) Deep ecology
(B) Shallow ecology
(C) Self ecology
(D) Selfless ecology

5. For the analysis of oxides of Nitrogen, which of the following set of reagents are used ?
(A) Sulphanilic acid, NEDA, H2O2, HNO3
(B) Sulphamic acid, NEDA, H2O2, HNO3
(C) Sulphamic acid, Nicotine, H2O, HNO3
(D) Sulphomolybdic acid, NEDA, H2O2, H2SO4

6. Number of ions of cadmium present in 3n moles of cadmium nitrate is
(A) 18.069 × 1023
(B) 18.069 × 1020
(C) 18.069 × 1017
(D) 18.069 × 1014

7. Which one of the following organisms is a free living nitrogen fixer ?
(A) Rhizobium
(B) Azotobacter
(C) Frankia
(D) Dorylimes

8. Which one of the following has highest bioconcentration factor (BCF) ?
(A) DDT
(B) DDE
(C) Chlordane
(D) Heptachlor

9. Consider an Ocean Thermal Energy Conversion (OTEC) process operating between 30 °C and 5 °C. What would be the maximum possible efficiency for an electricity generator station operating with these temperatures ?
(A) 8%
(B) 15%
(C) 25%
(D) 40%

10. 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.

11. Individuals of a plant species occurring in a particular area constitute
(A) fauna
(B) flora
(C) flora and fauna
(D) population

12. A local population genetically, structurally and functionally adapted to its local environment is called
(A) ecotype
(B) ecophene
(C) ecad
(D) ecocline

13. Mycorrhizae is an example of
(A) Ammensalism
(B) Commensalism
(C) Parasitism
(D) Symbiosis

14. The entire series of communities of biotic succession from pioneer to climax community is known as
(A) Troph
(B) Sere
(C) Population
(D) Biome

15. In which of the following ecosystems the pyramid of biomass is inverted ?
(A) Forest
(B) Grassland
(C) Pond
(D) Desert

16. The first National Park established in India is
(A) Kaziranga National Park
(B) The Jim Corbett National Park
(C) Hazaribagh National Park
(D) Gir National Park

17. The animals that rest or swim on the surface of the lakes are called
(A) Nektons
(B) Neustons
(C) Benthos
(D) Peritons

18. Which of the following is an example of in situ conservation of biodiversity ?
(A) Captive breeding
(B) Seed bank
(C) National park
(D) Pollen bank

19. A biome contains
(A) many ecosystems
(B) many communities
(C) many populations
(D) a single ecosystem

20. In Bhopal gas tragedy, the quantity of Methyl Isocyanate leaked into the atmosphere was around
(A) ~ 180 tonnes
(B) ~ 60 tonnes
(C) ~ 112 tonnes
(D) ~ 40 tonnes