Last updated on August 30th, 2023 at 10:10 pm
Class 7 Respiration in Organisms Extra Questions
Respiration in Organisms Fill in the blanks:-
- Each organism is made up of small units called ………….[cells ]
- In an organism, a ……….. is the smallest structural and functional unit. [cell]
- We breathe out air which is rich in ……………[carbon dioxide]
- Insects exchange gas through a network of tubes called ………..[tracheae]
- Earthworms exchange gases through their moist …………[skin]
- A ………… is a single-celled organism. [yeast]
- The process of breaking down food to release energy is called ………. [respiration.]
- Frogs breathe through their lungs and ………..[skin]
- In insects, gas exchange takes place through ………[spiracles]
- Plants exchange gases through their ………..[stomata.]
- Inhaled air contains a high concentration of …[oxygen]
- Anaerobic respiration produces ………….& ……[carbon dioxide and alcohol]
- The act of …….involves both inhalation and exhalation.[ breathing]
- In humans, the …………are the main organ of respiration.[ lungs]
- 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.
