Question
What are the various raw materials for photosynthesis?
✓
Answer
Plants utilise carbon dioxide from air and water and minerals are derived from soil (through roots) as raw material for photosynthesis. Besides these chlorophyll present in green leaf is necessary for the process and sunlight is the source of energy which is converted into chemical energy during the process of photosynthesis.
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Q.1. Who has higher average speed?
(a) One who takes less time
(b) One who pedals slower
(c) One with more gears
(d) One who rests more
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(b) Dissolving sugar in water
(c) Burning of coal
(d) Melting of wax
(e) Beating aluminium to make aluminium foil
(f) Digestion of food