Advertisements
Advertisements
Question
In cockroaches, air enters the body through ______.
Options
lungs
gills
spiracles
skin
Solution
In cockroaches, air enters the body through spiracles.
Explanation:
In insects (such as cockroaches and grasshoppers), tiny holes called spiracles are present on the body. Air enters the body through these holes.
APPEARS IN
RELATED QUESTIONS
Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
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.
The fishes have lungs for respiration.
Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to
Earthworms and frogs breathe through their skin because of which the skin of both organisms is
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 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 a reason for your answer.
sleeping, cycling, brisk walking, 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 |
