Respiration in Other Organisms

Q.

Draw a labeled diagram of human respiratory system.

Q.

What is the function of the trachea?

Q.

Write a note on respiration in animals.

Q.

Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain.

Q. In the Byju's video it said that we cannot stay submerged in water for a long time because we need oxygen to breathe. But there is oxygen in water also, so why can't we breathe when in water?

Q.

What is the end-product of anaerobic respiration in animals?

Q.

In cockroaches, air enters the body through __________ .

1. Lungs

2. Gills

3. Skin

4. Spiracles

Q.

Match the following organisms with their respective respiratory organs.

Organism	Respiratory Organ
1) Fish	A) Moist skin
2) Amoeba	B) Tracheae
3) Insects	C) Cell Membrane
4) Earthworms	D) Gills

1. 1 - A, 2 - C, 3 - B, 4 - D

2. 1 - D, 2 - C, 3 - B, 4 - A

3. 1 - C, 2 - A, 3 - B, 4 - A

4. 1 - D, 2 - C, 3 - A, 4 - B

Q. Insects have a network of air tubes called for gas exchange.

1. spiracles
2. alveoli
3. tracheae
4. bronchi

Q.

Mark ‘T’ if the statement is true and ‘F’ if it is false:

The fishes have lungs for respiration.

1. True
2. False

Q. Frogs breathe through their skins as well as their lungs. (T/F)

Q.

Insects and leaves of a plant have pores through which they exchange gases with the atmosphere. Can you write two points of differences between these pores with respect to their position, number and extension into the body?

Q.

Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to:

1. take in oxygen from the air

2. take in oxygen dissolved in water

3. absorb nutrients present in water

4. release waste substances in water

Q.

Where do fish get oxygen from?

1. Water

2. Food

3. Air

4. Sunlight

Q.

In anaerobic respiration, the microorganisms like yeast breakdown glucose (food) in the absence of oxygen to form alcohol and carbon dioxide, and release energy.

1. True
2. False

Q. Imagine the lungs size and size of elephant. Is there any relation between body size and lung size?

Q.

Which of the following animals use gills to breathe?

1. Fish

2. Frogs

3. Earth Worms

4. Humans

Q.

Question 6
Match the items in Column I with those in Column II:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{(a) Yeast}& \text{(i) Earthworm}\\ \text{(b) Diaphragm}& \text{(ii) Gills}\\ \text{(c) Skin}& \text{(iii) Alcohol}\\ \text{(d) Leaves}& \text{(iv) Chest cavity}\\ \text{(e) Fish}& \text{(v) Stomata}\\ \text{(f) Frog}& \text{(vi) Lungs and skin}\\ & \text{(vii)Tracheas}\end{array}$

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

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

Q.

Some insects have a network of air tubes for gas exchange known as ______ .

1. Trachea

2. Villi

3. Spiracles

4. Alveoli

Q.

Earthworms and frogs have a common mode of breathing. Which among the following options is the common mode?

1. Skin

2. Spiracles

3. Lungs

4. Gills

Q.

Which organ carries out exchange of gases as we breathe?

1. Urinary System

2. Digestive System

3. Respiratory System

4. Lymphatic System

Q.

Which of the following organisms breathe through their skin?

1. gills

2. tracheae

3. skin

4. spiracles

Q.

Fish breathe through ___ .

Q.

Question 20
Match the names of organisms in Column I with their organs of breathing given in Column II.

Q.

Assertion (A) - Amphibians such as frogs can breathe underwater as well as on land.

Reason (R) - Frogs breathe through lungs on land and through their moist and slimy skin underwater.

1. Both A and R are true and R is the correct explanation of A.

2. Both A and R are true but R is not the correct explanation of A.

3. A is true but R is false.

4. A is false but R is true.

Q.

What is it called when fish breathe?

Q.

Why are diffusion and osmosis not suitable for transportation in higher organisms like human beings?

Q. Earthworms and frogs have a common mode of breathing. Identify the common mode.

1. Gills

2. Lungs

3. Spiracles

4. Skin

Q. Which of these is the job of the respiratory system?

1. Transfer information from one generation to another.
2. Holding up the body and giving it support and shape.
3. Gas exchange between the external environment and the body's circulatory system.
4. Breaking down food for it to be used by the body.