TET Practice Paper Set-10

(Environmental Science Paper-1)

1. Soda water contains dissolved:
(a) Oxygen
(b) Carbon dioxide 
(c) Common salt
(d) Wax

2. The process of separating the constituents of a solution using filter paper is called:
(a) Filtration 
(b) Sedimentation
(c) Evaporation
(d) Solution

3. Which state of matter has neither definite shape nor definite volume?
(a) Solid
(b) Liquid
(c) Gas 
(d) Solution

4. Urea is an example of:
(a) A fertilizer 
(b) A seed
(c) A nutrient
(d) A pesticide

5. Which of the following can protect the crops from insects?
(a) Fertilizers
(b) Pesticides 
(c) Manures
(d) Urea

6. The roots of the plants can be found in:
(a) Top soil 
(b) Subsoil
(c) Bedrock
(d) Gravel

7. The spaces between the particles is maximum in:
(a) Clay
(b) Sand 
(c) Loam
(d) Both A & B

8. Soil supplies _______ to the plants
(a) Oxygen
(b) Carbon dioxide
(c) Chlorophyll
(d) Minerals 

9. The proper supply of water to crops is called________.
(a) Irrigation 
(b) Nutrition
(c) Photosynthesis
(d) Soil erosion

10. The rate of evaporation of water is slower when:
(a) The temperature is higher
(b) The wind is stronger
(c) The area of exposed surface is greater
(d) The humidity of the surrounding air is higher 

11. The rate of evaporation is affected by:
1. Wind
2. Temperature
3. Area of exposed surface
4. Humidity
(a) 1, 2, and 4 only
(b) 1, 2, and 3 only
(c) 2, 3, and 4 only
(d) All 1, 2, 3 and 4 

12. Seasons on the earth are caused mainly because of:
(a) The tilt of the earth’s axis 
(b) The varying distances between the earth and the sun
(c) The presence of plants and animals
(d) The spherical shape of the earth

13. The change of water vapour into water by cooling is called:
(a) Condensation 
(b) Filtration
(c) Evaporation
(d) Sedimentation

14. Which of the following does not increase the rate of evaporation?
(a) Blowing wind
(b) Higher temperature
(c) Dry air
(d) Decreasing exposed area 

15. Clouds are made up of:
(a) Carbon dioxide
(b) Tiny water droplets 
(c) Water vapour
(d) Steam

16. The movement of air from sea to land is called:
(a) Land breeze
(b) Sea breeze 
(c) Cyclone
(d) Evaporation

17. When the temperature increases, the rate of evaporation:
(a) Increases 
(b) Decreases
(c) Does not change
(d) Either A to B

18. You may experience difficulty in breathing when you are at a high altitude. This is because:
(a) The air contains less oxygen at a high altitude 
(b) The air becomes inactive at a high altitude
(c) Oxygen particles group together at a high altitude
(d) Oxygen becomes separated from the other gases in the air

19. Oxygen is used by:
1. Deep sea divers
2. Patients with respiratory problems
3. Green plants in photosynthesis
4. Astronauts going into outer space
(a) 1 and 2 only
(b) 3 and 4 only
(c) 1, 2 and 4 only 
(d) 1, 2, 3 and 4

20. A group of stars which seems to form a pattern is called:
(a) A solar system
(b) A galaxy
(c) A nebula
(d) A constellation 

21. Days and nights are caused by:
(a) The rotation of the earth 
(b) The revolution of the earth
(c) The rotation of the sun
(d) The tilting of the earth’s axis

22. It takes _______ to complete one rotation for the earth.
(a) 24 hours 
(b)365 1/4 day
(c) 1 week
(d) 30 days

23. It takes ________ to complete one revolution round the sun by the earth.
(a) 24 hours
(b) 365 1/4 days 
(c) 1 week
(d) 30 days

24. Which is the only planet of the solar system that has life on it?
(a) Venus
(b) Earth 
(c) Mars
(d) Jupiter

25. Saptarishi constellation seems to resemble a:
(a) Hunter
(b) Scorpion
(c) Bear 
(d) Cow

26. Name the largest planet of the solar system.
(a) Venus
(b) Mars
(c) Pluto
(d) Jupiter 

27. The tilt of the earth causes:
(a) Days and nights
(b) Change of seasons 
(c) Phases of Moon
(d) Phases of Venus

28. Which of the following is the closest to the earth?
(a) Venus 
(b) Jupiter
(c) Mercury
(d) Pluto

29. Which of the following planets has rings that distinguish it from the rest?
(a) Jupiter
(b) Earth
(c) Mars
(d) Saturn 

30. Which of the following is the correct order of planets in the solar system, starting with the planter closest to the sun?
(a) Pluto, Uranus, Neptune, Jupiter, Saturn, Mars, Earth, Venus and Mercury
(b) Pluto, Neptune, Uranus, Saturn, Jupiter, Earth, Venus and Mercury
(c) Mercury, Jupiter, Earth, Venus, Mars, Uranus, Saturn, Neptune and Pluto
(d) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto  

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