UGC NET (National Eligibility Test) Environmental Science November 2021 Paper

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Qns. 1 ‘Slash and burn’ is a term that is usually associated with the practice of:

Options:

a. Illicit felling & Encroachment

b. Grazing & Looping

c. Incineration of waste

d. Shifting Cultivation

Qns. 2 Which zone of a pond/lake ecosystem does not receive light?

Options.

A. Littoral

B. Limentic

C. Profundal

D. Epilimnion

Qns. 3 Identify the correct sequence in ascending order of the grade of metamorphism:

A. Gneiss

B. Slate

C. Schist

D. Shale

Choose the correct answer from the options given below:

(1) (A) , (B) , (C) , (D)

(2) (D) , (C) , (B) , (A)

(3) (B) , (D) , (C) , (A)

(4) (D) , (B) , (C) , (A)

Qns. 4 What is the correct order of abundance of following heavy metals in the earth՚s crust?

Options.

A. Fe

B. Mg

C. Al

D. Cu

Choose the correct answer from the options given below:

(1)

(2)

(3)

(4)

Qns. 5 Water remains in liquid state over a wide range of temperature because of its:

A. Specific heat

B. Heat of vaporization

C. Density at

D. Bipolar nature

Choose the most appropriate answer from the options given below:

1. (A) and (C) Only

2. (A) and (D) Only

3. (A) and (B) Only

4. (B) and (D) Only

Qns. 6 Name the person, who launched the “Green Belt Movement” in Kenya, and got the Nobel Peace Prize:

(1) Wangari Maathai

(2) Gehard Ertl

(3) Koichi Tanaka

(4) Ryojii Noyori

Qns. 7 Match List I with List II:

Choose the correct answer from the options given below:

(1) (A) - (iii) , (B) - (i) , (C) - (ii) , (D) - (iv)

(2) (A) - (iii) , (B) - (iv) , (C) - (i) , (D) - (ii)

(3) (A) - (iii) , (B) - (ii) , (C) - (iv) , (D) - (i)

(4) (A) - (iv) , (B) - (ii) , (C) - (iii) , (D) - (i)

Qns. 8 Which of the following are correct in the context of the Elephant Project?

A. It was launched in February 1993

B. It was launched in April 1992

C. It was being implemented in 16 states

D. Project is being executed in 50 reserves

E. Project is being executed in 32 reserves

Choose the correct option

1. B, C & D only

2. A, C & D only

3. A, C & E only

4. B, C, D & E only

Qns. 9 According to the Solid Waste Management Rules 2016, arrange the following metals in decreasing order of their permissible concentration (mg/kg) in the prepared compost:

A. Chromium

B. Lead

C. Cadmium

D. Copper

Choose the correct answer from the options given below:

(1) A, B, C, D

(2) B, D, A, C

(3) D, B, A, C

(4) D, A, B, C

Qns. 10 In Isokinetic air sampling:

A. The inlet is faced against the prevailing wind

B. Sampling flow rate is chosen so that inlet speed is same as the wind speed

C. There should be least possibility of distortion of particles sampled

Choose the most appropriate answer from the options given below:

(1) (A) , (B) and (C)

(2) (B) and (C) Only

(3) (A) and (C) Only

(4) (A) and (B) Only

Qns. 11 At STP, 1 ppb SO₂ is equivalent to

Options

1.

2.

3.

4.