Smartindia Classroom
CONTENTS
Biology
Chemistry
Computer
English
General Knowledge
Geography
History & Civics
Mathematics
Physics
Politics
Science (NCERT)
Back to home
Start Practice
Question-1
The energy from food which we eat is released slowly inside our body by the process called:
(A)
Transpiration
(B)
Digestion
(C)
Restoration
(D)
Respiration
Question-2
As compared to inhaled air, the exhaled air contains more:
a. Water Vapour
b. Oxygen
c. Carbondioxide
d. Alcohol
(A)
A and B
(B)
A and C
(C)
Only C
(D)
Only B
Question-3
The animal which can breathe through the lungs as well as through skin is:
(A)
Fish
(B)
Dolphin
(C)
Frog
(D)
Crocodile
Question-4
Which of the following are not the products of anaerobic respiration in muscles?
A. Carbon dioxide
B. Energy
C. Alcohol
D. Lactic acid
(A)
A and B
(B)
B and C
(C)
A and C
(D)
B and D
Question-5
What is the normal range of 'breathing rate' of an average adult person during resting time?
(A)
9 to 12 per minute
(B)
15 to 18 per minute
(C)
21 to 24 per minute
(D)
30 to 33 per minute
Question-6
During inhalation, the diaphragm:
(A)
Moves downwards
(B)
Moves upwards
(C)
Moves towards left
(D)
Moves towards right
Question-7
Which of the following are not produced after aerobic respiration?
A. Carbon dioxide
B. Energy
C. Alcohol
D. Lactic acid
(A)
A and B
(B)
B and C
(C)
C and D
(D)
B and D
Question-8
Which of the following organisms can live without oxygen?
(A)
Amoeba
(B)
Yak
(C)
Yeast
(D)
Leech
Question-9
Which of the following does not have lungs for breathing?
(A)
Lizard
(B)
Frog
(C)
Fish
(D)
Fox
Question-10
Which of the following are the two steps in aerobic respiration?
A. Krebs' cycle
B. Fermentation
C. Oxidation
D. Glycolysis
(A)
A and B
(B)
B and C
(C)
C and D
(D)
A and D
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
Std 7
CBSE
Practice in Related Chapters
Fibre to Fabric
Nutrition In Animals
Respiration in Organisms
Nutrition in Plants
Heat
Acids,Bases and Salts
Transportation in Animals and Plants
Physical and Chemical Changes
Weather Climate and Adaptations of Animals to Climate
Wind, Storms and Cyclones
Soil
Reproduction in Plants
Motion and Time
Electric Current and its Effects
Light
Water: A Precious Resource
Forests Our Life Line
Waste Water Story
Water and its Conservation
Powered By
