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- 1. Multiple Choice
Excretion, in unicellular plants and animals, takes place through _________.
Diffusion
Osmosis
- 2. Fill in the Blank
Name the process by which Unicellular Organisms remove wastes from their body.
- 3. Multiple Choice
How do water enter the roots from the soil?
diffusion
osmosis
transpiration
active transport
- 4. Multiple Choice
In Plants, CO2 and water are excreted resp. by
Transportation; Excretion
Transpiration; Leaf
Stomata; Transpiration
Vacuoles; Transportation
- 5. Multiple Choice
The carbon dioxide gas enters the leaves of the plant through the _____ present on their surface.
Sepals
Stomata
Xylem
Leaf Veins
- 6. Multiple Choice
Which of the following available in air is the raw material for photosynthesis
Hydrogen
Carbon dioxide
Oxygen
hydrogen
- 7. Multiple ChoiceIn which way are photosynthesis and cellular respiration different?Cellular respiration stores ATP, while photosynthesis releases ATP.Cellular respiration produces oxygen, while photosynthesis uses oxygen.Photosynthesis releases energy, while cellular respiration stores energy.Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
- 8. Multiple Choice
In plants, food prepared by the leaves is transported to all the other parts of the plants by-
Stomata
Phloem
Root hair
Xylem
- 9. Fill in the Blank
Name the part of the plant's body which can be lost as a part of excretion.
- 10. Fill in the Blank
Name the waste products stored in old xylem.
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