English Medium कक्षा १० - CBSE Question Bank Solutions for Science

Name the energy currency in the living organisms. When and where is it produced?

Explain how, it would benefit deep sea divers if humans also had gills.

What is the function of the respiratory system?

What are the major organs of respiratory system in man (or humans)?

Draw a labelled diagram of the human respiratory system.

Explain how, the air we breathe in gets cleaned while passing through the nasal passage.

Why do the walls of trachea not collapse when there is less air in it?

How are oxygen and carbon dioxide exchanged in our body during respiration?

Give the main points of difference between respiration in plants and respiration in animals.

Describe the exchange of gases which takes place in the leaves of a plant

(a) during daytime, and (b) at night.

Which contains more carbon dixoide : exhaled air or inhaled air? Why?

"Respiration is a vital function of the body". Justify this statements.

What type of repiration takes place in yeast?

Which of the following is not produced during anaerobic respiration in unicellular fungus?

Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?

During respiration, the exchange of gases takes place in:

Which of the following is correct for the process of anaerobic respiration?

Which of the following increases in muscle cells when they are lacking in oxygen?

Internal respiration may be defined as:

When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of: