10th Class Biology Chapter 1 English Medium Online MCQ Test With Answer
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MCQ's Test For Chapter 1 "Gaseous Exchange"
Try The MCQ's Test For Chapter 1 "Gaseous Exchange"
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Solved Mcqs File
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Ch Abdul Shakoor arain06 - Apr - 2026
01 Min 16 Sec
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mahnoor chaudhary15 - Mar - 2026
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Muhammad Ahmed08 - May - 2026
01 Min 34 Sec
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01 Min 46 Sec
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03 Min 07 Sec
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Abida Riaz15 - Feb - 2026
01 Min 27 Sec
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Fatik Irfan13 - Feb - 2026
01 Min 53 Sec
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Ahmad Sultan11 - Feb - 2026
02 Min 17 Sec
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jamil gujjar jampur26 - Mar - 2026
03 Min 56 Sec
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nazia gull22 - Mar - 2026
04 Min 02 Sec
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Abdullah Shahzad13 - Feb - 2026
01 Min 56 Sec
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A4_ Aashish01 - Apr - 2026
02 Min 00 Sec
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10th Class (English Medium)
Biology
Chapter 1
Important MCQ's
Sr.#
Question
Answer
1
Which waxy layer on the surface of plant leaves acts as a primary barrier to uncontrolled gaseous exchange and water loss, but also limits direct gas diffusion?
A. Epidermis
B. Cuticle
C. Cell wall
D. Stomata
2
The inflamation of bronchi or bronchioles is caled:
A. Bronchites
B. Emphysema
C. Pneumonia
D. Chest box
3
Lenticels are small pores found on the surface of which plant structures, enabling gaseous exchange?
A. Young leaves
B. Flower petals
C. Woody stems and roots
D. Fruit skins
4
During nighttime, what is the net gaseous exchange observed in most plants?
A. Intake of CO2 and release of O2
B. Release of CO2 and intake of O2
C. Release of both CO2 and O2
D. No significant gaseous exchange occurs
5
What is the primary organ responsible for gaseous exchange in humans?
A. Heart
B. Kidneys
C. Lungs
D. Liver
6
Cartilage is absent in:
A. larynx
B. trachea
C. bronchi
D. bronchioles
7
Which bring deoxygenated blood form heart into lungs?
A. Pulmonary veins
B. Pulmonary Artery
C. Aorta
D. Wind Pipe
8
All the alveoli of one side unite to form:
A. Lung
B. Kidney
C. Thorax
D. Chest Box
9
A condition where the walls of the alveoli are damaged, leading to an enlargement of air spaces and a reduction in the surface area for gas exchange, is called:
A. Asthma
B. Pneumonia
C. Bronchitis
D. Emphysema
10
Chronic bronchitis is primarily caused by prolonged exposure to which of the following?
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