ICSE ICSE Class 7 - CISCE Question Bank Solutions for Biology

Long answer question.

Do plants need oxygen? If so, what is its source?

Answer the following in one word. 

Which organ is called the voice box?

Tick the most appropriate answer.  

Exhaled air contains

Tick the most appropriate answer.  

Plants have these for the exchange of gases.

Analogy:

Echinodermata: ______:: Soft Bodies Animals: ______.