dpsnoida.in International Environment Olympiad Class X Sample Question Paper : Delhi Public School Noida

Name of the Organisation : Delhi Public School, Noida
Name of the Exam : International Environment Olympiad
Document Type : Sample Question Paper
Category : Class X
Website : http://dpsnoida.in/session-information/international-environment-olympiad/
Download Question Paper : https://www.pdfquestion.in/uploads/22797-class10.pdf

DPS Noida X Environment Olympiad Paper

** The school is affiliated to CBSE and the CCE guidelines have been implemented from Class Nursery onwards with a Grading system reflecting Scholastic as well as Co-Scholastic areas in the Report Card.

Related : Delhi Public School Noida International Environment Olympiad Class IX Sample Question Paper : www.pdfquestion.in/22793.html

Project work and Oral testing emphasize the importance on self exploration and presentation skills.

Examination Policy

** A strong academic curriculum is followed with emphasis on experiential learning through planned class activities, audio visual aids and Multiple Intelligence lesson plans, Modules on the Smart Boards supplement the teaching content in all classrooms from Nursery to XII.

Sample Paper

1. Environmental pollution is due to
a) Rapid urbanisation
b) Deforestation
c) A forestation
d) A & B

2. Which of the following is air pollutant
a) Co
b) O2
c) N2
d) All of these

3. Which of the following are natural sources of air pollution
a) Volcanic eruption
b) Solar flair
c) Earth quake
d) All

4. Which of the following are biodegradable pollutants
a) Plastics
b) Domestic sewage
c) Detergent
d) All

5. Mining practices lead to
a) Population growth
b) Rapid urbanisation
c) Loss of fertile grazing land
d) None of these

6. Which of the following is source of fly ash
a) Vehicular exhaust
b) Sewage
c) Thermal power plant
d) All

7. The liquid waste from bath and kitchens is called
a) Sullage
b) Domestic sewage
c) Storm waste
d) Run off

8. Noise pollution can be minimised by
a) Urbanisation
b) Maintaining silence
c) Reducing noise at source
d) None

9. BOD means
a) Biochemical oxygen demand
b) Chemical oxygen demand
c) Biophysical oxygen demand
d) All

10. Which of the following industry generates coloured waste?
a) Software industry
b) Textile industry
c) Bio-medical industry
d) None

11. Physical pollution of water is due to
a) Dissolved oxygen
b) Turbidity
c) pH
d) None of these

12. Which of the following source is surface water?
a) Springs
b) Streams
c) Deep wells
d) All

13. Deforestation can
a) Increase the rain fall
b) Increase soil fertility
c) Introduce silt in the rivers
d) None of these

14. Which of the following non-point source of water pollution?
a) Factories
b) Sewage treatment plants
c) Urban and sub-urban lands
d) All of the above

15. Sound beyond which of the following level can be regarded as pollutant
a) 40db
b) 80db
c) 120db
d) 150db

16. Which of the following is a major source of thermal pollution of water bodies
a) Sewage treatment plants
b) Thermal power plants
c) Solid water disposal
d) All

17. Smog is
a) A natural phenomenon
b) Combination of smoke and fog
c) Colourless
d) All of the above

18. Air pollution from automobiles can be controlled by fitting
a) Electrostatic precipitator
b) Wet scrubber
c) Catalytic converter
d) All of the above

19. Which of the following statements about carbon monoxide is true?
a) Forms complex with haemoglobin
b) Forms complex with leg-haemoglobin
c) Formed by the incomplete combustion of fossil fuels
d) Both a & c

20. Definition of noise is
a) Loud sound
b) Unwanted sound
c) Constant sound
d) Sound of high frequency

21. Noise pollution is controlled by
a) Reducing the noise at the source
b) Preventing it’s transmission
c) Protecting the receiver
d) All

22. Noise pollution limit at residential areas
a) 45 db
b) 80 db
c) 55 db
d) 90 db

23. Noise pollution limits in industrial areas
a) 45 db
b) 80 db
c) 65 db
d) 90 db

24. Which of the following is non-biodegradable?
a) Plastics
b) Domestic sewage
c) Detergent
d) A & c

25. Which of the following is a secondary air pollutant
a) Co
b) So2
c) Ozone
d) Co2