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Question-1
During inhalation, the diaphragm:
(A)
Moves downwards
(B)
Moves upwards
(C)
Moves towards left
(D)
Moves towards right
Question-2
Which of the following has haemoglobin- containing blood?
(A)
Grasshopper
(B)
Cockroach
(C)
Goose
(D)
Wasp
Question-3
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-4
During exhalation, the ribcage:
(A)
Moves upwards and outwards
(B)
Moves downwards
(C)
Moves from side to side
(D)
Does not move at all
Question-5
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-6
Which of the following is not a part of the human respiratory system?
(A)
Lungs
(B)
Oesophagus
(C)
Trachea
(D)
Diaphragm
Question-7
Yeast converts glucose into:
(A)
Starch
(B)
Alcohol
(C)
Lactic acid
(D)
Yogurt
Question-8
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-9
During respiration in humans, the exchange of gases takes place in:
(A)
Bronchi
(B)
Alveoli
(C)
Bronchioles
(D)
Trachea
Question-10
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
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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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