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"

  • Total Questions12

  • Time Allowed15

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Gaseous Exchange

00:00
Question # 1

How do submerged aquatic plants primarily exchange gases with their environment?

Question # 2

The inflamation of bronchi or bronchioles is caled:

Question # 3

In old woody stems and roots, gaseous exchange occurs through specialized pores called:

Question # 4

The opening and closing of stomata are regulated by specialized cells known as:

Question # 5

During exercise or other hard physical works the breathing rate may increase up to.

Question # 6

In human which process occurs in alveoli?

Question # 7

A thick muscular layer beneath lungs is called:

Question # 8

The uncontrolled cell divisions in lungs tissue is called:

Question # 9

In human and other higher animals, the exchange of gases is carried out by:

Question # 10

Which disease is involved in the breakdown of air sacs of the lungs?

Question # 11

Which of the following is called voice box?

Question # 12

Amount of nitrogen in expired air is:

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Prepare Complete Set Wise Chapter 1 "Gaseous Exchange" MCQs Online With Answers


Topic Wise MCQ Tests for 10th Class (English Medium) Biology Chapter 1

Topic #. Topic Name MCQs Available Launch Test
1.0 Gaseous Exchange In Plants 15 Launch Test
2.0 Gaseous Exchange In Humans 10 Launch Test
3.0 Respiratory Disorders 10 Launch Test

Topic Test

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Solved Mcqs File

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10th Class (English Medium) Biology Chapter 1 Important MCQ's

Sr.# Question Answer
1 After entering stomata, through which pathway do gases primarily reach the mesophyll cells in a plant leaf?
A. Vascular bundles
B. Intercellular air spaces
C. Xylem vessels
D. Phloem tubes
2 In old woody stems and roots, gaseous exchange occurs through specialized pores called:
A. Stomata
B. Lenticels
C. Root hairs
D. Epidermis
3 Which structures are primarily responsible for gaseous exchange in the leaves of most plants?
A. Xylem
B. Phloem
C. Stomata
D. Cuticle
4 During periods of intense photosynthesis, what is the net gaseous exchange of a plant leaf with its environment?
A. Takes in O2, releases CO2
B. Takes in CO2, releases O2
C. Releases both O2 and CO2
D. Takes in both O2 and CO2
5 Smoking may also lead to the cancers in:
A. Kidneys and pancreas
B. Oral cavity and larynx
C. Breast and bladder
D. All of them
6 The inflamation of bronchi or bronchioles is caled:
A. Bronchites
B. Emphysema
C. Pneumonia
D. Chest box
7 Point out the FALSE statement about respiration.
A. Gases can easily pass through the walls of the alveoli
B. Gas exchange in lungs is very efficient because lungs provide large surface area
C. In emphysema, the walls of alveoli break and there is more surface area.
D. Dust particles can damage the lung by irritating the inner alveoli surface.
8 What is the main characteristic of pneumonia, a lung infection?
A. Permanent dilation of bronchi
B. Inflammation of the lining of the lungs and fluid accumulation in alveoli
C. Spasms of the bronchial tubes
D. Destruction of the cilia in the trachea
9 All the alveoli of one side unite to form:
A. Lung
B. Kidney
C. Thorax
D. Chest Box
10 In which of the following gaseous exchange occur through stomata?
A. The leaves and young stems
B. Wood stems and nature roots.
C. Young roots
D. The aquatic plants

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