I. Fill in the blanks:
1. When food is broken down, the reaction produces....(water / dirt) and... (Carbon dioxide
loxygen).
2............... (Breathing/ Respiration) is the process of intake of air rich in
3. Enzymes and other catalysts are involved in the process of...... (Breathing / Respiration).
4. In animals such as insects, there are several holes called.......(spiracles/stomata).
5. Most aquatic animals such as fish use special organs called ...(Gills/trachea) for respiration.
II. Choose the correct option.
1. Which of these allows exchange of gases?
a. Respiration b. Digestion c. Excretion
d. None of these
2. The intake of air rich in oxygen takes place during
a. Exhalation b. Inhalation c. Both a and b d. None of these
3. Which of these is a respiratory organ of insects?
a. Noseb. Spiracles
c. Gills
d. Lungs
4. Which of these can be absorb air dissolved in water?
a. Gills
b. Spiracles c. Lungs
d. All of these
5.Air is exchange in which part of the human respiratory system?
a. Trachea b. Bronchi c. Alveoli
d. Larynx
Answers
1] When food is broken down, the reaction produces Water and Carbondioxide.
2] Breathing is the process of intake of air rich in oxygen
3] Enzymes and other catalysts are involved in the process of Respiration
4] In animals such as insects, there are several holes called Spiracles
5] Most aquatic animals such as fish use special organs called Gills
II. Choose the correct option.
1] Which of these allows exchange of gases?
a. Respiration b. Digestion c. Excretion d. None of these
Respiration allows exchange of gases.
2] The intake of air rich in oxygen takes place during
a. Exhalation
b. Inhalation
c. Both a and b
d. None of these
Inhalation is the required answer and Exhalation is the process of giving out of air in rich carbon dioxide.
3] Which of these is a respiratory organ of insects?
a. Nose
b. Spiracles
c. Gills
d. Lungs
Trachea is the respiratory organ of insects.
4] Which of these can be absorb air dissolved in water?
a. Gills
b. Spiracles
c. Lungs
d. All of these
Gills can absorb air dissolved in water.
5] Air is exchange in which part of the human respiratory system?
a. Trachea
b. Bronchi
c. Alveoli
d. Larynyx
Aleveoli is the part of human respiratory system which exchange air.
Answer:
\Large\bigstar{\underline{\red{\sf{Rqeuired\:Answers:-}}}}★
RqeuiredAnswers:−
1] When food is broken down, the reaction produces Water and Carbondioxide.
2] Breathing is the process of intake of air rich in oxygen
3] Enzymes and other catalysts are involved in the process of Respiration
4] In animals such as insects, there are several holes called Spiracles
5] Most aquatic animals such as fish use special organs called Gills
II. Choose the correct option.
1] Which of these allows exchange of gases?
a. Respiration b. Digestion c. Excretion d. None of these
Respiration allows exchange of gases.
2] The intake of air rich in oxygen takes place during
a. Exhalation
b. Inhalation
c. Both a and b
d. None of these
Inhalation is the required answer and Exhalation is the process of giving out of air in rich carbon dioxide.
3] Which of these is a respiratory organ of insects?
a. Nose
b. Spiracles
c. Gills
d. Lungs
Trachea is the respiratory organ of insects.
4] Which of these can be absorb air dissolved in water?
a. Gills
b. Spiracles
c. Lungs
d. All of these
Gills can absorb air dissolved in water.
5] Air is exchange in which part of the human respiratory system?
a. Trachea
b. Bronchi
c. Alveoli
d. Larynyx
Aleveoli is the part of human respiratory system which exchange air.