Lakhmir Singh and Manjit Kaur Solutions for Chapter: Respiration in Organisms, Exercise 5: Questions Based on High Order Thinking Skills (HOTS)

In an experiment to demonstrate the mechanism of breathing by using a bell jar, two balloons in the bell jar and a rubber sheet tied to the open end of the bell jar :
What does the space in the bell jar represent?

Name the type of respiration in which the end products are alcohol and carbon dioxide.

Name the type of respiration in which the end product is Lactic acid.

There are three animals X, Y, and Z. Animal X can stay in the water as well as on land and can breathe through its moist skin as well as lungs. Animal Y always lives in water and has gills for breathing. On the other hand, animal Z lives in soil and breathe only through its skin.
Which animal could be a fish?

There are three animals X, Y, and Z. Animal X can stay in the water as well as on land and can breathe through its moist skin as well as lungs. Animal Y always lives in water and has gills for breathing. On the other hand, animal Z lives in soil and breathe only through its skin.
Which animal could be an earthworm?

There are three animals X, Y, and Z. Animal X can stay in the water as well as on land and can breathe through its moist skin as well as lungs. Animal Y always lives in water and has gills for breathing. On the other hand, animal Z lives in soil and breathe only through its skin.
Which animal could be a frog?

There are three animals X, Y, and Z. Animal X can stay in the water as well as on land and can breathe through its moist skin as well as lungs. Animal Y always lives in water and has gills for breathing. On the other hand, animal Z lives in soil and breathe only through its skin.
Name one animal which always lives in water but has no gills for breathing.

What are the products obtained in the anaerobic respiration if it takes place in muscles?