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Question-1
Vital capacity of an adult human.
(A)
100ml
(B)
1000ml
(C)
5000ml
(D)
10000ml
Question-2
In higher plants, gas exchange takes place by:
(A)
Diffusion
(B)
Osmosis
(C)
Exhalation
(D)
Inspiration
Question-3
The small pores or openings on the outer skin of plants.
(A)
Pneumatophores
(B)
Lenticels
(C)
Stomata
(D)
Alveoli
Question-4
The air tubes of insects.
(A)
Lungs
(B)
Gills
(C)
Trachea
(D)
Skin
Question-5
Where are lungs situated in human body?
(A)
Abdominal cavity
(B)
Chest cavity
(C)
Ocular cavity
(D)
Cranial cavity
Question-6
Gas exchange in bacteria takes place by:
(A)
Diffusion
(B)
Osmosis
(C)
Breathing
(D)
Absorption
Question-7
The instrument used to measure the lung volume.
(A)
Spirometer
(B)
Spirograph
(C)
Crescograph
(D)
Crescometer
Question-8
The number of times a person breathes in a minute is called the:
(A)
Breath rate
(B)
Inspiration rate
(C)
Expiration rate
(D)
Pulse rate
Question-9
When in water, frogs breathe through:
(A)
Skin
(B)
Lungs
(C)
Gills
(D)
Spiracles
Question-10
In cockroaches, air enters the body through:
(A)
Lungs
(B)
Gills
(C)
Trachea
(D)
Skin
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Cambridge Secondary Grade 7
IGCSE
Practice in Related Chapters
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Acids, Bases and Salts
Chemicals and Chemical Change
The Living World and its Surroundings
Movement of Substances
Waste Management
Fibres and Animals
Scarcity of Water
Multiplication in Plants
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