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प्रश्न
The fishes have lungs for respiration.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
Fishes breathe through their gills.
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संबंधित प्रश्न
Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
In cockroaches, air enters the body through ______.
Match the items in Column I with those in Column II:
| Column I | Column II | ||
| (a) | Yeast | (i) | Earthworm |
| (b) | Diaphragm | (ii) | Gills |
| (c) | Skin | (iii) | Alcohol |
| (d) | Leaves | (iv) | Chest cavity |
| (e) | Fish | (v) | Stomata |
| (f) | Frog | (vi) | Lungs and skin |
| (vii) | Tracheae |
Frogs breathe through their skins as well as their lungs.
Fill in the Following Blanks with Suitable Words:
Yeast Undergoes ___________ Respiration Whereas Amoeba Undergoes _________ Respiration.
Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to ______.
Mark the following statement as True or False. Correct the false statement.
Frogs can breathe through their skin as well as lungs
Cockroaches breathe with the help of air tubes called ______.
On an average, an adult human being at rest breathes 15–18 times per minute. The breathing rate, however, may differ under different conditions. Arrange the following activities given in the box in order of increasing breathing rates and give reason for your answer.
| sleeping, cycling, brisk walk, watching T.V. |
Match the names of organisms in Column I with their organs of breathing given in Column II.
| Column I | Column II | ||
| (a) | Butterfly | (i) | Lungs |
| (b) | Earthworms | (ii) | Gills |
| (c) | Sparrow | (iii) | Spiracles |
| (d) | Fish | (iv) | Skin |
