Punjab 12th Class Biology Respiration Mcqs Test Online
Questions 14
Total Marks 28
Time 14 Mins
Helpful For:

12th Biology Class Test
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All Punjab Boards Annual Exams

Punjab 12th Class Biology Respiration Mcqs Test Online

Start your preparation for Punjab 12th Class Biology Respiration Mcqs Test Online. This online test contains 14 MCQs and you have 14 Minutes to complete it. The total marks for this test are 28. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

Punjab 12th Class Biology Respiration Mcqs Test Online

 

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Biology

1. When blood leaves the capillary bed most of the carbon dioxide is in the form of:

1.
2.
3.
4.
2. The lateral walls of the chest cavity of man are composed of the:
1.
2.
3.
4.
3. Respiratory pigments:
1.
2.
3.
4.
4. Which of the following changes will increase the body’s rate of carbon dioxide excretion into the alveoli?
1.
2.
3.
4.
5. With which other system do specialize respiratory systems most closely interface in exchanging gases between the cells and the environment?
1.
2.
3.
4.
6. Pulmonary emphysema:
1.
2.
3.
4.
7. Which of the following factors is the most effective in accelerating the rate of breathing in man?

1.
2.
3.
4.
8. Which event is not associated with the activity of expiration?
1.
2.
3.
4.
9. Which sequence most accurately describes the sequence of airflow in the human respiratory system? 1. Pharynx 2. Bronchus 3. Trachea 4. Larynx 5. Alveolus 6. Bronchiole
1.
2.
3.
4.
10. How is most of the oxygen transported in the blood?
1.
2.
3.
4.
11. The amount of air moved in and out of the lungs with each normal resting breath is the:
1.
2.
3.
4.
12. Breathing is an example of
1.
2.
3.
4.
13. When you inhale, the diaphragm?
1.
2.
3.
4.
14. Which of the following is the respiratory surface in human respiratory system?

1.
2.
3.
4.

 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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