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

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

Question # 3

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

Question # 4

At night, when photosynthesis is not occurring, what is the net gaseous exchange between a plant and its environment?

Question # 5

Glottis is a narrow opening at the floor of:

Question # 6

A thick muscular layer beneath lungs is called:

Question # 7

Power of speaking is only gifted to:

Question # 8

The length of trachea is:

Question # 9

How many carciogens are present in cigarette smoke?

Question # 10

In wood seems and roots the gaseous:

Question # 11

In normal condition human respiration rate is:

Question # 12

In human which process occurs in alveoli?

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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 correct list of respiratory disorders is;
A. Asthma, emphysema. pneumonia , bronchitis
B. Asthma , penumonia , heamophlia , typhoid,
C. Asthma , blood , cancer , emphysema, cholera
D. Asthma , cholera, emphysema , malaria
2 In which of the following disease, the patient has usually lost 50% to 70% of his/her lung tissue when symptoms appears?
A. Pneumonia
B. Asthma
C. Emphy sema
D. Bronchitis
3 In wood seems and roots the gaseous:
A. lenticels
B. epidermal cells
C. somata
D. micropyle
4 The opening and closing of stomata, which regulate the rate of gaseous exchange in leaves, are directly controlled by changes in the turgor pressure within which specialized cells?
A. Epidermal cells
B. Mesophyll cells
C. Guard cells
D. Palisade cells
5 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
6 What is the primary characteristic of asthma?
A. Permanent damage to alveolar walls
B. Inflammation of the pharynx
C. Spasms of the bronchi and bronchioles, narrowing the airways
D. Fluid accumulation in the pleural cavity
7 Which respiratory disorder is characterized by inflammation and narrowing of the airways, often triggered by allergens or exercise?
A. Emphysema
B. Bronchitis
C. Asthma
D. Pneumonia
8 What happens to the stomata in most plants during the night?
A. They open wider to release excess oxygen.
B. They remain unchanged, irrespective of light.
C. They close to conserve water and prevent gas loss.
D. They partially open to allow minimal gas exchange.
9 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
10 In plants, gaseous exchange takes place as:
A. CO2 is removed and O2 is absorbed
B. CO2 is absorbed and O2 is removed
C. CO2 and O2 both are absorbed
D. CO2 and O2 both are removed

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