10 - Science - 07. Biology – Conservation Of Environment
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Prepared By Mr. S. Ravikumar, B. T. Asst. , GHS, Arangaldhurgam, Vellore District. ; &nbs p; & www. Padasalai. Net
- 1.
- A.
Grass, flowers and leather
- B.
Grass, wood and plastic
- C.
Fruit peels, cake and plastic
- D.
Cake, wood and grass
- 2.Which one do you like?Which of the following constitute a food chain?
- A.
Grass, wheat and mango
- B.
Grass, goat and human
- C.
Goat, cow and elephant
- D.
Grass, fish and goat
- 3.Which of the following are environmental friendly practices?
- A.
Carrying cloth bags to carry the purchase items during shopping
- B.
Switching off light and fans when not in use
- C.
use the public transport
- D.
All the above
- 4.What is called as ‘black gold’?
- A.
Hydrocarbons
- B.
Coal
- C.
Petroleum
- D.
Ether
- 5.Odd one out. Plants, grasshopper, frog, tiger, snake
- A.
Plants
- B.
Grasshopper
- C.
Frog
- D.
Tiger
- 6.
- A.
Plastic
- B.
Paper
- C.
Bio-plastics
- D.
Halogen lame retardants
- 7._____ green house gas which causes climate change and global warming.
- A.
Hydrogen
- B.
Oxygen
- C.
Nitrogen
- D.
Carbon-di-oxide
- 8.The _____ forms decomposers in the pond ecosystem.
- A.
Plants
- B.
Bacteria
- C.
Frog
- D.
Phlytoplanktons
- 9.________ chemical is used in seeding clouds.
- A.
Potassium iodide
- B.
Calcium carbonate
- C.
Sulphurdioxide
- D.
Ammonium phosphate
- 10.Example for fossil fuel is ________
- A.
Copper
- B.
Iron
- C.
Magnesium
- D.
Coal
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