Multiple Choice Questions (MCQs)

Author:Lakhmir Singh & Manjit Kaur

Lakhmir Singh Science Solutions for Exercise - Multiple Choice Questions (MCQs)

Simple step-by-step solutions to Multiple Choice Questions (MCQs) questions of Respiration in Organisms from AWARENESS SCIENCE for Seventh Class. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Multiple Choice Questions (MCQs) with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

Which of the following are not the product of anaerobic respiration in muscles?
A. Carbon dioxide 
B. Energy 
C. Alcohol 
D. Lactic acid

MEDIUM
7th CBSE
IMPORTANT

During respiration in humans, the exchange of gases takes place in

EASY
7th CBSE
IMPORTANT

Which of the following does not have lungs for breathing?

EASY
7th CBSE
IMPORTANT

Which of the following organisms can live without the oxygen of the air? 

EASY
7th CBSE
IMPORTANT

When air is blown from the mouth into a test-tube containing lime water, the lime water turns milky due to the presence of :

MEDIUM
7th CBSE
IMPORTANT

Which of the following is most likely to have a much higher breathing rate?

EASY
7th CBSE
IMPORTANT

The animal which can breathe through the lungs as well as through skin is :