MEDIUM
7th CBSE
IMPORTANT
Earn 100

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?

Important Questions on Respiration in Organisms

MEDIUM
7th CBSE
IMPORTANT
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 do the balloons in the bell jar represent?
MEDIUM
7th CBSE
IMPORTANT
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 rubber sheet tied over the open end of the bell jar represent?
MEDIUM
7th CBSE
IMPORTANT
Name the type of respiration in which the end products are alcohol and carbon dioxide.
MEDIUM
7th CBSE
IMPORTANT
Name the type of respiration in which the end products are carbon dioxide and water.
MEDIUM
7th CBSE
IMPORTANT
Name the type of respiration in which the end product is Lactic acid.
MEDIUM
7th CBSE
IMPORTANT
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?
MEDIUM
7th CBSE
IMPORTANT

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?

MEDIUM
7th CBSE
IMPORTANT

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?