Breathing in Animals
Trending Questions
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Question 8
Which of the following raw material is available in the air for photosynthesis?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Hydrogen
Q.
4 During the rainy season you must have seen earthworms coming out of the soil. Can you say why this happens?
Q.
Write one main function of Stomata.
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102 Earthworms come out of the soil during the rainy season. How?
Q. When a candle burns, the wax drips down its side and solidifies at the base of the candle. Smoke is given off at the wick. Which statement about the burning of the candle is not true?
- The wick undergoes a chemical change.
- The candle weighs the same before and after burning.
- Oxygen is involved in the chemical reaction.
- The smoke contains the products of chemical change.
Q. Leaves comprise of tiny pores referred as:
- Stomata
- Pores
- Holes
- Chlorophyll
Q.
why do plants take out oxygen and take in carbon -dioxide
Q.
The roots of a plant take up oxygen from the ______ trapped between the ________ particles.
