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Solutions ⇒ Class 7th ⇒ Science ⇒ 10. Respiration in Organisms

Solutions 10. Respiration in Organisms - Additional Questions With Solutions | Class 7 Science - Toppers Study

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Solutions 10. Respiration in Organisms - Additional Questions With Solutions | Class 7 Science - Toppers Study

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Chapter 10 Science class 7

Additional Questions With Solutions class 7 Science Chapter 10. Respiration in Organisms

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10. Respiration in Organisms

| Additional Questions With Solutions |

Solutions 10. Respiration in Organisms - Additional Questions With Solutions | Class 7 Science - Toppers Study


Additional Questions With Solutions


Ques: What is cellular respiration?
Ans: The process of breakdown of food in the cell with the release of energy is called cellular respiration.

Ques: Where does cellular respiration take place?
Ans: It take place in the cells of organisms.

Ques: Write the name of respiratory organs of earthworm.
Ans:  Skin.`
Ques: Write the differences between aerobic respiration and anaerobic respiration.
Ans:

‚Äč

Ques: What is aerobic respiration ?
Ans: Breakdown of glucose occurs with the use of oxygen.
It is called aerobic respiration.

Ques: What is anaerobic respiration?
Ans: food can also be broken down, without using oxygen. This is called anaerobic respiration.

Ques: What are anaerobes?
Ans: Some organisms such as yeast that can survive in the
Absence of air. they are called anaerobes.

Ques: Why do you get muscle cramps after heavy exercise?
Ans: There begins to lack of oxygen during heavy exercise and muscle cells respire anaerobically by which glucose produces lactic acid. The accumulation of lactic acid causes muscle cramps.

Ques: Why do we get relief from cramps after a hot water bath or a massage.
Ans: The blood circulation increases after a hot water bath or a massage. As a result, the supply of oxygen to the muscle cells increases by which there takes place the complete breakdown of lactic acid into carbon dioxide and water.

Ques: What are spiracles?
Ans: Other insects also have similar opening. These opening are called spiracles.

Ques: What are tracheae?
Ans: Insects have a network of air tubes called tracheae.

Ques: What is inhalation?
Ans: The taking in air rich in oxygen into the body is called
Inhalation.

Ques: What is exhalation?
Ans: Giving out of air rich in carbon dioxide is known as exhalation.

Ques: What is breathing rate?
Ans: The time of time a person breathes in a minute is termed As the breathing rate.

Ques: What is breathing rate in an adult?
Ans: 15-18 times.

Ques: Why do we yawn?
Ans: When reduce our respiratory rate we do not get enough oxygen hence yawns comes again and again for completing the oxygen demand and we take deep breaths.  

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Solutions ⇒ Class 7th ⇒ Science
1. Nutrition in Plants
2. Nutrition in Animals
3. Fibre to Fabric
4. Heat
5. Acids, Bases and Salts
6. Physical and Chemical Changes
7. Weather, Climate and Adaptations of Animals to Climate
8. Winds, Storms and Cyclones
9. Soil
10. Respiration in Organisms
11. Transportation in Animals and Plants
12. Reproduction in Plants
13. Motion and Time
14. Electric Current and its Effects
15. Light
16. Water : A Precious Resource
17. Forests: Our Lifeline
18. Wastewater Story

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