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Class 7 Respiration in Organisms Extra Questions

Last updated on August 30th, 2023 at 10:10 pm

Class 7 Respiration in Organisms Extra Questions

Respiration in Organisms Fill in the blanks:-

  1. Each organism is made up of small units called ………….[cells ]
  2. In an organism, a ……….. is the smallest structural and functional unit. [cell]
  3. We breathe out air which is rich in ……………[carbon dioxide]
  4. Insects exchange gas through a network of tubes called ………..[tracheae]
  5. Earthworms exchange gases through their moist …………[skin]
  6. A ………… is a single-celled organism. [yeast]
  7. The process of breaking down food to release energy is called ………. [respiration.]
  1. Frogs breathe through their lungs and ………..[skin]
  2. In insects, gas exchange takes place through ………[spiracles]
  3. Plants exchange gases through their ………..[stomata.]
  4. Inhaled air contains a high concentration of …[oxygen]
  5. Anaerobic respiration produces ………….& ……[carbon dioxide and alcohol]
  6. The act of …….involves both inhalation and exhalation.[ breathing]
  7. In humans, the …………are the main organ of respiration.[ lungs]
  8. An organ that lies at the bottom of the chest cavity is the ……..[diaphragm]

 

Answer the following Questions

 

Define the following terms:

Anaerobes – Anaerobes are organisms that can survive without air, such as yeast

Inhalation & Exhalation – Taking in oxygen-rich air and exhaling carbon dioxide-rich air are known as inhalation and exhalation, respectively.

Breath Rate – A person’s breathing rate is determined by how many times they breathe per minute

 

[Q] What is the function of cell?

Nutrition, transport, excretion, and reproduction are all functions performed by each cell of an organism.

[Q] What is cellular respiration?

Cellular respiration occurs when foods are broken down in the cell and energy is released.

[Q] What are the main organs of the respiratory system?

The respiratory system consists of the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles.

 

[Q] Define Stomata?

The stomata are tiny pores found on the underside of a leaf. They contribute to the exchange of oxygen and carbon dioxide in a leaf as well as the loss of water through transpiration.

 

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