Bihar Board - Class 12 Biology-Chapter 16. Environmental Issues Multiple Choice Questions
The multiple choice questions for Chapter 16. Environmental Issues of Class 12 Chemistry are provided here in English. These questions are based on the NCERT curriculum for Class 12. They are designed to help students assess their understanding of the key concepts covered in the chapter. These multiple choice questions will be useful not only for the Class 12 board exams but also for entrance exams like NEET. The questions for Bihar Board Class 12 Chemistry, Chapter 16. Environmental Issues, have been prepared by expert teachers at Vidyakul.
Multiple Choice Question
1. Which of the following is a natural pollutant?
(a) Smog
(b) Volcanic gases
(c) Strong wind
(d) Gale
Answer:b
2. Of the following, pick out the constituents of a petrochemical smog
A. Ozone
B. Nitrogen oxides
C. PAN
D. H2SO4
E. DDT
F. BHC
G. CO2
(a) A, B, C
(b) A, B, C, G
(c) B, C, D, G
(d) A, B, C, E, F, G
Answer:a
3. Green muffler is used against which type of pollution?
(a) air
(b) soil
(c) water
(d) Meter
Answer:d
4. What are organisms that can tolerate high degrees of pollution called as?
(a) Indicator species
(b) Extreme species
(c) Stenohy ne species
(d) Osmoconformers
Answer:a
5. Which is a non-degradable pollutant?
(a) Smoke
(b) Polythene
(c) Copper scraps
(d) Iron scraps
Answer:b
6. ___ are used in electrostatic precipitators.
(a) Catalysts
(b) Absorbers
(c) Electrodes
(d) Chemicals
Answer:c
7. In India, the Air (Prevention and Control of Pollution) Act came into force in 1981 but was amended in 1987 to include
(a) thermal pollution
(b) radioactive pollution
(c) noise pollution
(d) ozone pollution.
Answer:c
8. Pollution in big cities can be controlled to a large extent by –
A. Improving traffic conditions and roads.
B. Roadside plantation
C. Proper disposal of garbage and domestic as well as municipal wastes.
D. Cannot be controlled
(a)A,B
(b)A, B, C
(c)A, D
(d)A, B, C, D
Answer:b
9. Which method is used for the removal of sulfur dioxide and ammonia from the polluted air?
(a) Wet scrubbers
(b) Absorption
(c) Gravitational method
(d) Electrostatic precipitator
Answer:b
10. Volcanoes are ___ source of pollution.
(a) artificial
(b) natural
(c) both
(d) man-made
Answer:b
