Free Environmental Issues (Daily Quiz: 6) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which one of the following statement(s) is/are incorrect?

1. Without greenhouse effect, the average temperature at surface of earth would have been a chilly –18°C rather than the present average of 15°C .
2. Ramesh Chandra Dagar , a farmer of Sonipat (Haryana) has created the Haryana kisan welfare club, with a current membership of 5000 farmers.
3. Over half of the e-wastes generated in the developed world are exported to developing countries mainly to China, India and Pakistan.
4. The use of incinerators is crucial to disposal of hospital waste, which includes disinfectants, harmful chemicals, pathogenic microbes, etc.

(a) I, II and III

(b) I and II

(c) I, II, III and IV

(d) None of these

Question-2

Acid rains are produced by

(a) excess production of $NH_3$ by industry and coal gas

(b) excess NO₂ and SO₂ from burning fossil fuels

(c) excess release of carbon monoxide by incomplete combustion

(d) excess formation of CO₂ by combustion and animal respiration.

Question-3

Match the items in Column I and Column II and choose the correct option.

Column I	Column II
A. UV rays	1. Biomagnification
B. Biodegradable organic matter	2. Eutrophication
C. DDT	3. Snow blindness
D. Phosphates	4. BOD

Codes A B C D

(a) 3 2 4 1

(b) 2 1 4 3

(c) 3 4 1 2

(d) 3 1 4 2

Question-4

In human eye, cornea absorbs UV- B radiation and a high dose of UV-B causes inflammation of cornea, known as

(a) Xerophthalmia

(b) Night blindness

(c) Epicanthus

(d) Snow-blindness

Question-5

How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues?

(a) By obstructing the reaction of oxygen with haemoglobin

(b) By forming a stable compound with haemoglobin

(c) By changing oxygen into carbon dioxide

(d) By destroying the haemoglobin