English Medium Class 10 - CBSE Question Bank Solutions for Science

Fill in the following blank with suitable word:

The actual exchange of gases takes place in the ___________ of the lungs.

Fill in the Following Blank with Suitable Word.
_________ In the Lungs Provide a Very Large Surface Area for Gaseous Exchange.

Explain why, a land plant may die if its roots remain waterlogged for a long time.

Fill in the following blank with suitable word:

Gills are the breathing organs in ___________.

What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer

Name the type of respiration in which the end product is:

C₂H₅OH and CO₂

Give one example  where such a respiration can occur.

Name the type of respiration in which the end product is:

Lactic acid

Give one example where such a respiration can occur.

Define breathing. State the differences between breathing and respiration.

Explain why, when air is taken in and let out during breathing, the lungs always contain a residual volume of air.

Explain why, it is dangerous to inhale air containing carbon monoxide.

Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.

State the three common features of all the respiratory organs like skin, gills and lungs.

Describe the process of respiration in fish.

Describe the process of respiration in the following part of a plant:

Root

Describe the process of respiration in the following part of a plant:

Stem

Describe the process of respiration in the following part of a plant:

Leaves

 What is meant by aquatic animals and terrestrial animals?

From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?

Why do fishes die when taken out of water?

Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?