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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Labeebah Zakir06 - May - 2026
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Muhammad Ahmed08 - May - 2026
01 Min 34 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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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
The primary chemical stimulus for breathing is the concentration of.
A. Carbon dioxide in blood.
B. Oxygen in blood
C. Carbon oxide in muscles
D. Oxygen in muscles.
2
The basic structural and functional unit of the kidney responsible for filtering blood and forming urine is called the:
A. Neuron
B. Alveolus
C. Nephron
D. Hepatocyte
3
Lungs are enclosed in a membrane called;
A. peritonium
B. pleural membrane
C. epidermis pericardium
4
The air spaces present in the spongy mesophyll of a leaf are crucial for which process?
A. Absorbing sunlight for photosynthesis.
B. Storing excess water for drought conditions.
C. Facilitating the diffusion of gases throughout the leaf.
D. Providing mechanical support to the leaf structure.
5
The respiratory disease that is the destruction of the walls of Alveoli is;
A. Asthma
B. Pneumonia
C. Emphysema
D. Bronchitis
6
Which structure actively helps in taking the air out of lungs?
A. Nasal cavity
B. Bronchus
C. Bronchiole
D. Diaphragm
7
Most of the gaseous exchange in a leaf occurs through.
A. Stomata
B. General surface
C. Cuticle
D. lenticels
8
How many lobs are present in right lung?
A. 2
B. 3
C. 4
D. 5
9
What substance in red blood cells is primarily responsible for transporting oxygen in the blood?
A. Plasma
B. Hemoglobin
C. Platelets
D. White blood cells
10
Which respiratory disorder is characterized by the inflammation of the bronchial tubes, leading to excessive mucus production and persistent coughing?
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