'Air' and 'Garbage'
1. Which one of the following statement is TRUE?
A. Air contains water vapour.
B. Air contains large amount of inert gases.
C. Air is opaque.
2. Removal of water from plant bodies in the form of vapours is called _______.
A. Respiration
B. Transpiration
C. Photosynthesis
D. Condensation
3. The method of preparing compost with the help of red worms is called ____________.
A. recycling
B. landfilling
C. composting
D. vermicomposting
4. Green garbage bin is used for collecting which of the following item?
A. animal wastes
B. plant wastes
C. all of these
D. kitchen waste
5. Which of the following should be thrown in Blue garbage bin?
A. banana skin
B. vegetable peels
C. bread leftovers
D. broken glass bottle
6. A low lying open area used to store city garbage is called ________.
A. Trash Bin
B. Landfill
C. Garbage House
D. Pond
7. The rotting and conversion of some materials into manure is called __________.
A. logging
B. recycling
C. composting
D. scraping
8. _________ is a place where earthworm is reared in plant nursery premises.
A. garbage bin
B. landfill
C. solid waste
D. compost pit
9. Red worms grind their food with the help of _______
A. gizzard
B. stomach
C. teeth
D. tentacles
10.Why hot food items should not be packed in polythene bags?
A. Polythene cools down the hot food.
B. Polythene bag may leak due to hot food.
C. Polythene reacts with hot food and produces cancer causing toxic products.
D. all of these
Answers will be available soon...
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