Environment studies

            Environment studies

1. Cadmium pollution is associated with—

(a) Minamata disease

(b) Black-foot disease

(c) Dyslexia

(d) Itai-Itai 

Ans-d

2. HIV destroys—

(a) Lymphocytes

(b) Monocytes

(c) Basophil

(d) Neutrophil

Ans-a

3. Which of the following is NOT a green house gas?

(a) Carbon dioxide

(b) Methane

(c) Ozone

(d) Nitrogen

Ans-d

4. COVID-19 is caused by—

(a) RNA virus

(b) DNA virus

(c) Both DNA and RNA virus

(d) None of these

Ans-a

5. Silent valley is situated in—

(a) Rajasthan

(b) Kerala

(c) Bombay

(d) Goa

Ans-b

6. Which of the following is NOT caused by sulfur dioxide—

(a) Cough

(b) Shortness of breath

(c) Spasen of Larynx

(d) Blindness

Ans-d

7. Which of the following is the major cause of ozone depletion in stratosphere?

(a) Chloro-fluoro carbon

(b) Dioxins

(c) Polyphenols

(d) Rayon

Ans-a

8. Which of the following diseases is aggravated by pollution?

(a) Rheumatism

(b) Bronchitis(c) Haemophilia

(d) Scurvy

Ans-b

9. From the following which is the best source of renewable energy?

(a) Coal

(b) Petroleum

(c) Sunlight 

(d) Electric

Ans-c

10. Humus is an example of—

(a) Crystalloids

(b) Soil structure

(c) Organic colloids

(d) None of these

Ans-b

11. MAB stands for—

(a) Man and biosphere

(b) Man and biotic community

(c) Man, antibiotic and bacteria

(d) Mayer, Anderson and Brisby

Ans-a

12. Which is a virus disease—

(a) Tetanus

(b) Dysentry

(c) Typhoid

(d) Polio

Ans-d

13. The scientific study of human population is—

(a) Ecology

(b) Biogeography

(c) Demography

(d) Engenics

Ans- c

14. Which is the primary consumer?

(a) Scavenger

(b) Carnivore

(c) Herbivore

(d) Saprophyte

Ans-c

15. Which is the most stable ecosystem?

(a) Desert

(b) Ocean

(c) Forest

(d) Mountain

Ans-b

16. Who coined the term biocoenosis?

(a) Tansley

(b) Woning

(c) Huxley

(d) Carl Mo..bius

Ans-d

17. Teeth and bones acquire rigidity and strength from—

(a) Calcium

(b) Chlorine(c) Sodium

(d) Fluorine

Ans-a

18. Which of the following is the main factor for water pollution?

(a) Detergent

(b) Carbon dioxide

(c) Industrial waste

(d) Ammonia

Ans-c

19. In which year Biodiversity Act of India was passed by the Parliament?

(a) 1992

(b) 1996

(c) 2000

(d) 2002

Ans-d

20. Sugar is the form of—

(a) Carbohydrate

(b) Protein

(c) Fat

Ans-a

(d) Water