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Question-1
The animal which can breathe through the lungs as well as through skin is:
(A)
Fish
(B)
Dolphin
(C)
Frog
(D)
Crocodile
Question-2
During respiration in humans, the exchange of gases takes place in:
(A)
Bronchi
(B)
Alveoli
(C)
Bronchioles
(D)
Trachea
Question-3
When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of:
(A)
Oxygen
(B)
Carbondioxide
(C)
Nitrogen
(D)
Alcohol
Question-4
Which of the following does not have lungs for breathing?
(A)
Lizard
(B)
Frog
(C)
Fish
(D)
Fox
Question-5
Yeast converts glucose into:
(A)
Starch
(B)
Alcohol
(C)
Lactic acid
(D)
Yogurt
Question-6
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-7
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-8
Which of the following is common in both aerobic and anaerobic respiration processes?
(A)
Glycolysis
(B)
Krebs' cycle
(C)
Fermentation
(D)
Lactic acid formation.
Question-9
Which of the following does not have gills for breathing?
(A)
Prawn
(B)
Crab
(C)
Whale
(D)
Fish
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
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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
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