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- 1. Multiple Choice
The carbon dioxide gas enters the leaves of the plant through the _____ present on their surface.
Sepals
Stomata
Xylem
Leaf Veins
- 2. Multiple Choice
The essential element used by the plants to make proteins and other compound is
Calcium
Nitrogen
Chlorine
Carbon
- 3. Multiple Choice
Cuscuta is an example of
Saprophyte
Parasite
Autotrophs
None of the above
- 4. Multiple Choice
In the absence of which of the following will photosynthesis not occur in leave
Guard cells
Chlorophyll
Vacuole
Space between the cells
- 5. Multiple Choice
Which of the following is correct?
Algae is a parasite
Carbon dioxide is released during photosynthesis
Sun is ultimate source of energy
Mushroom is a autotroph
- 6. Multiple Choice
The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
Autotropic
Heterotropic
Parasitic
Saprophytic
- 7. Multiple Choice
The bacterium that provides nitrogen to the leguminous plants is
yeast
Mushroom
Rhizobium
Lichens
- 8. Multiple Choice
Some plants live together and help each other . In plants an algae and fungi living together are called
Lichen
Pitcher plant
Yeast
Spirogyra
- 9. Multiple Choice
Pitcher plant traps insects because
it is a heterotroph
it grows on the soil which lacks nitrogen
does not have chlorophyll
It likes insects
- 10. Multiple Choice
Which of the following available in air is the raw material for photosynthesis
Hydrogen
Carbon dioxide
Oxygen
hydrogen
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