Breathing
Trending Questions
Q. A human being normally breathes ___ times per minute.
- 40
- 12
- 72
- 100
Q.
State whether true or false:
Respiration and breathing are synonymous.
Photosynthesis
Breathing
Q. Assertion - Difference in the partial pressure of a gas between two systems creates pressure gradient.
Reason - Gas moves from a region of high pressure to the region of low pressure.
Reason - Gas moves from a region of high pressure to the region of low pressure.
- Both the assertion and reason are true and the reason is the correct explanation of the assertion
- Both assertion and reason are true but the reason is not the correct explanation of the assertion
- The assertion is true but the reason is false
- Both the assertion and reason are false
Q. A human being normally breathes ___ times per minute.
- 40
- 100
- 72
- 12
Q. State whether the following statements are true or false:
Statement 1: Cockroaches breathe air through gills.
Statement 2: Cockroaches have air tubes running down their body called tracheae.
[2 marks]
[Respiration in other organisms]
Statement 1: Cockroaches breathe air through gills.
Statement 2: Cockroaches have air tubes running down their body called tracheae.
[2 marks]
[Respiration in other organisms]
Statement 1: False; Statement 2: False
Statement 1: True; Statement 2: False
- Statement 1: False; Statement 2: True
Statement 1: True; Statement 2: True
Q.
The process of expelling air containing more carbon dioxide than the inhaled air is known as _____________.
inhalation
exhalation
breathing
respiration
Q. What is the rate of breathing per minute in an adult when he is at rest?
- 9-12
- 12-18
- 21-24
- 30-33
Q.
The number of times a person breathes in a minute is known as
Q.
Breathing is a part of
Q.
All living organisms respire.
True
False