class-7
Lesson-light
Respiration in Organisms
Q.1 Fill in the blanks :
1. The process of breaking down of food in the cell with the release of energy is called _______________ respiration. (Cellular / Anaerobic)
2. The taking in of air rich in exygen into the body is called ________________. (Inhalation / Exhalation).
3. The openings in a cockroach’s body through which it takes in air in its body for respiration are called ________________. (Nostrils / Spiracles)
4. The large muscular sheet which forms the floor of the chest cavity is called ____________. (Diaphragm / Lungs).
5. The number of times a person breathes in a minute is termed as the _______________ rate. (Breathing / Running)
Q.2 Correct the following statements by replacing the highlighted word :
1. Lungs are located in the buccal cavity : (Chest / Nasal) Ans. ______________________________________________________________
2. The type of respiration in which food is broken down without the use of oxygen is called aerobic respiration. (Cellular / Anaerobic) Ans. ______________________________________________________________
3. Humans are anaerobes. (Yeast / Dogs) Ans. ______________________________________________________________
4. Yeast respires anaerobically and yields water. (Fruit Juice / Alcohol) Ans. ______________________________________________________________
5. When we feel drowsy, our breathing rate increases. (Remains same / Slows Down) Ans. ______________________________________________________________
Q.3. Match the following : Column I Column II
1. Glucose (with oxygen) a. 21% Oxygen, 0.04% Carbon Dioxide
2. Glucose (Without Oxygen) b. 16.4% Oxygen, 4.4% Carbon Dioxide
3. Glucose in muscles c. Carbon Dioxide + water + energy absence of oxygen)
4. Inhaled air d. Carbon Dioxide + Alcohol + Energy
5. Exhaled air e. Lactic acid + Energy
. Q.: How do the following animals breathe ?
1. Earthworm 2. Cockroach 3. Frog 4. Leaves 5. Fish 6. Humans
Help Box Skin Lungs, Skin Stomata Teachea Gills Lungs
Lesson-light
Respiration in Organisms
Q.1 Fill in the blanks :
1. The process of breaking down of food in the cell with the release of energy is called _______________ respiration. (Cellular / Anaerobic)
2. The taking in of air rich in exygen into the body is called ________________. (Inhalation / Exhalation).
3. The openings in a cockroach’s body through which it takes in air in its body for respiration are called ________________. (Nostrils / Spiracles)
4. The large muscular sheet which forms the floor of the chest cavity is called ____________. (Diaphragm / Lungs).
5. The number of times a person breathes in a minute is termed as the _______________ rate. (Breathing / Running)
Q.2 Correct the following statements by replacing the highlighted word :
1. Lungs are located in the buccal cavity : (Chest / Nasal) Ans. ______________________________________________________________
2. The type of respiration in which food is broken down without the use of oxygen is called aerobic respiration. (Cellular / Anaerobic) Ans. ______________________________________________________________
3. Humans are anaerobes. (Yeast / Dogs) Ans. ______________________________________________________________
4. Yeast respires anaerobically and yields water. (Fruit Juice / Alcohol) Ans. ______________________________________________________________
5. When we feel drowsy, our breathing rate increases. (Remains same / Slows Down) Ans. ______________________________________________________________
Q.3. Match the following : Column I Column II
1. Glucose (with oxygen) a. 21% Oxygen, 0.04% Carbon Dioxide
2. Glucose (Without Oxygen) b. 16.4% Oxygen, 4.4% Carbon Dioxide
3. Glucose in muscles c. Carbon Dioxide + water + energy absence of oxygen)
4. Inhaled air d. Carbon Dioxide + Alcohol + Energy
5. Exhaled air e. Lactic acid + Energy
. Q.: How do the following animals breathe ?
1. Earthworm 2. Cockroach 3. Frog 4. Leaves 5. Fish 6. Humans
Help Box Skin Lungs, Skin Stomata Teachea Gills Lungs
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