MEDIUM
Earn 100

A student while experimenting on carbon dioxide is given out during respiration, he forgot to take two precautions as given below :

a) To hang a test tube containing KOH solution in the conical flask.
b) To put moist seeds in the conical flask.

State the result of the experiment due to the mistakes caused by him. 

Important Questions on Respiratory System

HARD
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration

Skin: Sweat : Lungs: _____

MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Explain the mechanism of respiration.
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Why does the rate of breathing increase by 20 to 25 times per minute during vigorous exercise?
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Explain the mechanism of breathing.
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
State how is the process of breathing brought about in our body.
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
State the role of following in the human respiratory system:
Diaphragm.
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
What role is played by diaphragm in your body?
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Differentiate between the two types of respiration involved in gaseous exchange.
EASY
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Cotyledons are also called-
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Which among the following will have higher breathing rate?
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
How are oxygen and carbon dioxide transported in human beings? How are lungs designed to maximize the area for exchange of gases?
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration

Differentiate between external and internal (or cellular) respiration.

MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
What is meant by breathing? What happens to the rate of breathing during vigorous exercise and why?
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Relaxation of rib muscles and diaphragm leads to:
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Describe the mechanism of breathing in human beings.
HARD
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
Describe the mechanism of breathing.
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
” Breathing cycle is rhythmic, whereas the exchange of gases is a continuous process”. Justify this statement.
EASY
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
During which phase of breathing diaphragm moves downward and becomes flat?
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
When we inhale, nitrogen also goes inside along with oxygen. This nitrogen is:
MEDIUM
Science>Biology>Respiratory System>Some Experiments on Breathing and Respiration
With the help of an experiment demonstrate the mechanism of breathing.