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

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Question # 1

In man the correct passage of air is:

Question # 2

How many lobs are present in right lung?

Question # 3

Power of speaking is only gifted to:

Question # 4

The rate of breathing during exercise or other hard:= physical work is:

Question # 5

Cutting of walls of Alveoli called:

Question # 6

The primary role of guard cells in plant leaves is to:

Question # 7

Which of the following is called voice box?

Question # 8

In first stem of glycolysis glucose molecules breaks ans divide into two _______ molecules

Question # 9

What percentage of oxygen inhaled form air during breathing?

Question # 10

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

Question # 11

The length of trachia is __________ cm approximately:

Question # 12

Point out the FALSE statement about respiration.

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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 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 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.
3 How many bronchi are there in the air passageway?
A. One
B. Two
C. Many
D. None of these
4 For gaseous exchange the leaf and young stems have in their epidermis:
A. Stomata
B. Lenticels
C. Companion cell
D. Guard cells
5 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
6 What is the primary function of the human kidneys?
A. Pumping blood throughout the body
B. Filtering waste products from the blood and producing urine
C. Producing digestive enzymes for the small intestine
D. Regulating body temperature through sweating
7 How do submerged aquatic plants primarily exchange gases with their surrounding water environment?
A. Through specialized stomata on their leaves
B. Via lenticels present on their stems
C. Across their general body surface and cell membranes
D. By means of root hairs absorbing dissolved gases
8 What happens during Exhalation?
A. Ribs muscles relax
B. Diaphragm become dome shaped
C. Pressure on lungs increased
D. All of these
9 Power of speaking is only gifted to:
A. Human being
B. Monkey
C. Parrot
D. Crow
10 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

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