Respiration in Other Organisms

Q. Leaves have tiny pores called _______ through which they exchange gases.

1. lenticels
2. stomata
3. spiracles
4. guard cells

Q. Identify the ways through which an adult frog can breathe.

1. Moist skin
2. Spiracles
3. Lungs
4. Gills

Q.

The image shows a magnified part of a caterpillar. The tiny openings shown in the above figure help the caterpillar breathe. What are they called?

1. Spiracles

2. Tracheoles

3. Trachea

4. Nostrils

Q.

Fish breathe through ___ .

Q. A cockroach has small openings on the sides of its body called _______.

1. spiracles
2. ribs
3. pharynx
4. diaphragm

Q.

The network of air tubes in insects for gas exchange is called __________ .

1. tracheae

2. spiracles

3. windpipe

4. tubes

Q.

Where do fish get oxygen from?

1. Sunlight

2. Food

3. Water

4. Air

Q. Frogs breathe through their ________ under water.

1. gills
2. skin
3. trachea
4. lungs

Q.

Which of the following organisms can breathe through their skin?

1. Earthworm

2. Cockroach

3. Frog

4. Bird

Q. Which of the following is the respiratory organ present in fishes?

1. Lungs
2. Trachea
3. Heart
4. Gills