NCERT Class 10 Health and Physical Education MCQ Chapter 2 Effects of Physical Activities on Human Body

NCERT Class 10 Health and Physical Education MCQ Chapter 2 Effects of Physical Activities on Human Body Solutions English Medium As Per New Syllabus. to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 10 Health and Physical Education MCQ Chapter 2 Effects of Physical Activities on Human Body and select need one. NCERT Class 10 Health and Physical Education MCQ Chapter 2 Effects of Physical Activities on Human Body Question Answers Download PDF. CBSE Class 10 Health and Physical Education Objective Type Solutions.

NCERT Class 10 Health and Physical Education MCQ Chapter 2 Effects of Physical Activities on Human Body

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. CBSE Class 10 Health and Physical Education Multiple Choice Notes English Medium are part of All Subject Solutions. Here we have given NCERT Class 10 Health and Physical Education MCQs, CBSE Class 10 Health and Physical Education MCQ English Medium for All Chapters, You can practice these here.

Effects of Physical Activities on Human Body

Chapter: 2

MCQ

1. What are the muscle proteins responsible for muscle contraction?

(a) Actin and myosin.

(b) Keratin and collagen.

(c) Hemoglobin and myoglobin.

(d) Fibrin and thrombin.

Ans: (a) Actin and myosin.

2. Which type of muscles move automatically without our efforts, such as those lining the food canal?

(a) Voluntary muscles.

(b) Cardiac muscles.

(c) Involuntary muscles.

(d) Striated muscles.

Ans: (c) Involuntary muscles.

3. During internal respiration, energy is released in the form of which chemical?

(a) LDL.

(b) HDL.

(c) ATP.

(d) TV.

Ans: (c) ATP.

4. What is the muscular partition between the thorax and the abdomen called?

(a) Septum.

(b) Diaphragm.

(c) Pharynx.

(d) Trachea.

Ans: (b) Diaphragm.

5. What protects the openings between the chambers of the human heart?

(a) Septa.

(b) Capillaries.

(c) Valves.

(d) Veins.

Ans: (c) Valves.

6. In human beings, blood passes through the heart twice in one complete circuit. This is termed as:

(a) Single circulation.

(b) Pulmonary circulation.

(c) Double circulation.

(d) Systemic circulation.

Ans: (c) Double circulation.

7. Weight-bearing exercises help protect against bone degeneration, a condition known as:

(a) Arthritis.

(b) Osteoporosis.

(c) Muscle fatigue.

(d) Oxygen debt.

Ans: (b) Osteoporosis.

8. Regular physical activities can increase the overall size of muscles by up to:

(a) 20 per cent.

(b) 40 per cent.

(c) 60 per cent.

(d) 80 per cent.

Ans: (c) 60 per cent.

9. The partial state of contraction in muscles due to continuous nerve signals is called:

(a) Muscle tone.

(b) Muscle fatigue.

(c) Reaction time.

(d) Vital capacity.

Ans: (a) Muscle tone.

10. Accumulation of which acid causes muscle fatigue during prolonged sports activities?

(a) Hydrochloric acid.

(b) Lactic acid.

(c) Citric acid.

(d) Amino acid.

Ans: (b) Lactic acid.

11. The temporary shortage of oxygen during vigorous physical activities is called:

(a) Residual volume.

(b) Muscle fatigue.

(c) Oxygen debt.

(d) Tidal volume.

Ans: (c) Oxygen debt.

12. What is the normal vital capacity in a healthy adult?

(a) 1500 cc to 2500 cc.

(b) 2500 cc to 3500 cc.

(c) 3500 cc to 4500 cc.

(d) 4500 cc to 5500 cc.

Ans: (c) 3500 cc to 4500 cc.

13. With regular exercise, the vital capacity of the lungs can go up to:

(a) 3500 cc.

(b) 4500 cc.

(c) 5500 cc.

(d) 6500 cc.

Ans: (c) 5500 cc.

14. The correct formula for calculating Vital Capacity is:

(a) TV + IRV.

(b) TV + ERV.

(c) TV + IRV + ERV.

(d) IRV + ERV.

Ans: (c) TV + IRV + ERV.

15. The air that remains in the lungs even after forced expiration and cannot be expelled is called:

(a) Tidal Volume.

(b) Vital Capacity.

(c) Residual air.

(d) Expiratory Reserve Volume.

Ans: (c) Residual air.