HARD
7th CBSE
IMPORTANT
Earn 100

What materials are used during respiration? Explain how plants respire.

Important Questions on Respiration in Organisms

HARD
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>EXERCISES>Q VI
Though earthworms have no lungs, how do they respire? Explain.
MEDIUM
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>EXERCISES>Q VI
Why should we always breathe through our nose?
HARD
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>EXERCISES>Q VI
Why should we not sleep under the tree at night?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>Brain Teasers
Why does a cockroach die when it falls in water?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>Brain Teasers
Why do muscles on legs develop cramps when we run fast?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>Brain Teasers
Never sleep in a closed room with an oil lamp burning. Why?
EASY
7th CBSE
IMPORTANT
SCIENCE ROUTE 7>Chapter 5 - Respiration in Organisms>Brain Teasers
Why do whales and dolphins come up to the surface of the seawater and release a fountain of water sometimes?