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

The major cause of lungs cancer is:

Question # 2

How many lobs are present in right lung?

Question # 3

The length of trachia is __________ cm approximately:

Question # 4

During the daytime, plants primarily take in which gas from the atmosphere for photosynthesis?

Question # 5

For gaseous exchange the leaf and young stems have in their epidermis:

Question # 6

Rate of breathing depends upon concentration of which gas:

Question # 7

What happens to the stomata in most plants during the night?

Question # 8

How many pairs of ribs in humans?

Question # 9

Where does the gaseous exchange occur in humans?

Question # 10

In man the correct passage of air is:

Question # 11

During nighttime, when there is no light available for photosynthesis, what is the predominant net gaseous exchange pattern observed in most plants?

Question # 12

The uncontrolled cell divisions in lungs tissue is called:

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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 The respiratory disease that is the destruction of the walls of Alveoli is;
A. Asthma
B. Pneumonia
C. Emphysema
D. Bronchitis
2 No. of bronchi in the air passage way are:
A. 1
B. 2
C. 3
D. 4
3 Amount of oxygen in expired air is:
A. 21%
B. 16%
C. 0.04%
D. 4%
4 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
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 How do the cells of plant roots primarily obtain the oxygen required for cellular respiration?
A. Directly from the atmosphere through lenticels on roots
B. Through diffusion from air spaces in the soil
C. Transported from leaves via phloem
D. Produced during photosynthesis in root cells
7 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
8 In man the system of gaseous exchange is:
A. digestive system
B. respiratory system
C. nervous system
D. excretory system
9 The respiratory centre is present in :
A. Lungs
B. Brain
C. Nose
D. Muscles
10 The structural and functional unit of lungs is:
A. trachea
B. pharynx
C. broncioles
D. alveolus

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