Question 1 of 15
The site of gas exchange in lungs is the:
A
trachea
B
alveoli
C
bronchi
D
larynx
View Correct Answer & Step-by-Step Solution
Correct Option:(B)alveoli
Detailed explanation is available inside the official test attempt review.
Class 11 Biology: Breathing and Exchange of Gases — Chapter Test 1
Class 11 • Biology • Breathing and Exchange of Gases • Chapter Test
MediumFREE
15
Questions
20 min
Duration
15
Marks (1 each)
No
Negative marking
Original practice questions with full solutions by ExamPortal.
Instructions
- • Read each question carefully and pick the correct answer.
- • You can mark questions for review and come back to them.
- • Answers are saved automatically.
- • The test is submitted automatically when time runs out.
Access
This test is completely free.
Finish it to earn +5 points.
SYLLABUS & QUESTION BLUEPRINT
Sample Practice Questions
Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.
Question 2 of 15
Inspiration occurs when the diaphragm:
A
relaxes
B
contracts and flattens
C
does nothing
D
moves up
View Correct Answer & Step-by-Step Solution
Correct Option:(B)contracts and flattens
Detailed explanation is available inside the official test attempt review.
Question 3 of 15
Tidal volume in a healthy adult is about:
A
500 mL
B
1500 mL
C
3000 mL
D
100 mL
View Correct Answer & Step-by-Step Solution
Correct Option:(A)500 mL
Detailed explanation is available inside the official test attempt review.
Question 4 of 15
Vital capacity is:
A
tidal volume only
B
maximum air breathed out after a maximum inspiration
C
residual volume
D
dead space
View Correct Answer & Step-by-Step Solution
Correct Option:(B)maximum air breathed out after a maximum inspiration
Detailed explanation is available inside the official test attempt review.
Question 5 of 15
Most oxygen is transported in the blood as:
A
dissolved in plasma
B
oxyhaemoglobin
C
bicarbonate
D
carbaminohaemoglobin
View Correct Answer & Step-by-Step Solution
Correct Option:(B)oxyhaemoglobin
Detailed explanation is available inside the official test attempt review.
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Frequently asked questions
How many questions are there in Class 11 Biology: Breathing and Exchange of Gases — Chapter Test 1?
There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.
Is there negative marking?
No. Wrong answers do not lose marks, so attempt every question.
Is this mock test free?
Yes, it is completely free. Just log in with your email to start.
What does this test cover?
It covers the chapter "Breathing and Exchange of Gases" of Class 11 Biology. All questions are original, with a full solution for each.
Will I see my result and the solutions?
Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.
Can I take this test again?
Yes, you can retake it as many times as you like and compare your scores.