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- 1. Multiple Choice
Name the organism that produce their food with the help of naturally available materials
Heterotrophs
Autotrophs
Saprophytes
Parasites
- 2. Multiple Choice
Photosynthesis will not occur in the absence of.......
Guard Cells
Vacuole
Chlorophyll
Space between cells
- 3. Multiple Choice
Which of the following gas is essential for photosynthesis
Hydrogen
Nitrogen
Carbon dioxide
Oxygen
- 4. Multiple Choice
Which of the following part of the plant is not involved in the plant respiration
Stomata
Leaves
Xylem
Root hair
- 5. Multiple Choice
An approaching cyclone can be understood by .......
High temperature and humidity
Powerful waves in the ocean
Cool breeze and rains
Moderate temperature and moderate humidity
- 6. Multiple Choice
What is the reason behind the survival of polar bears in the extremely low temperature
Well insulated fat skin
White fur
Wide paws
None of these
- 7. Multiple Choice
Sullage water comes from.....
Toilets
Industries
Commercial areas
Kitchens
- 8. Multiple Choice
Cleaning of waste water means removing of its
Nutrients
Minerals
vitamins
Pollutants
- 9. Multiple Choice
The micro organisms which convert the dead plants and animals to humus are known as
Composers
Organisms
Decomposers
Non living entity
- 10. Multiple Choice
Light travels along in ........ line.
Zigzag line
Curved line
Straight line
Parallel line
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