Answer Key – CBSE Class 11 Physical Education

Answer Key – CBSE Class 11 Physical Education

Section A: Multiple Choice Questions (1 Mark Each)

1. Yoga: Which yoga asana improves balance and strengthens leg muscles?
   (b) Vrikshasana – This yoga pose helps improve balance and strengthens leg muscles.
2. CWSN: Which condition is characterized by difficulty in communication and social interaction?
   (a) Autism – Autism is a condition where a person has difficulty in communication and social interaction.
3. Physical Fitness: Define wellness in the context of physical education.
   (b) Physical and Mental Well-being – Wellness means being healthy both physically and mentally.
4. Test, Measurement & Evaluation: The formula to calculate BMI is:
   (b) Weight (kg) ÷ Height (m)² – This is the correct formula to calculate Body Mass Index (BMI).
5. Anatomy and Physiology: Which of the following is the largest organ in the human body?
   (d) Skin – The skin is the largest organ in the human body.
6. Kinesiology and Biomechanics: The study of human motion is called:
   (d) Kinesiology – Kinesiology is the study of human movement.
7. Yoga: Name the breathing exercise also known as “Alternate Nostril Breathing.”
   (b) Anulom Vilom – This breathing exercise is also called “Alternate Nostril Breathing.”
8. CWSN: What is the full form of ADHD?
   (a) Attention Deficit Hyperactivity Disorder – This is the full form of ADHD.
9. Test, Measurement & Evaluation: Which test measures flexibility?
   (a) Sit and Reach Test – This test measures flexibility.

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Section B: Very Short Answer Questions (3 Marks Each)

10. Define the term “Physical Education.”
    Answer: Physical Education is a subject that focuses on improving fitness, physical activities, and overall health through exercise and sports.
11. Briefly explain the importance of yoga for students.
    Answer: Yoga helps students by:
• Reducing stress and anxiety
• Improving focus and concentration
• Enhancing physical fitness and flexibility
12. Differentiate between physical fitness and wellness.
    Answer:
• Physical Fitness: The ability to perform daily activities without getting tired.
• Wellness: A combination of physical, mental, and social well-being.
13. List any two special considerations for teaching physical education to CWSN.
    Answer:
• Use simple and easy-to-follow instructions.
• Modify exercises to match their abilities.
14. Explain the term “Vital Capacity” in relation to sports performance.
    Answer: Vital capacity is the maximum amount of air a person can exhale after taking a deep breath. It helps athletes in endurance sports like swimming and running.
15. Name and explain any two types of movements in kinesiology.
    Answer:
• Flexion: Bending a joint (e.g., bending the elbow).
• Extension: Straightening a joint (e.g., straightening the knee).

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Section C: Short Answer Questions (5 Marks Each)

16. Explain the structure and function of the respiratory system.
    Answer:
• Structure: Includes nose, trachea, lungs, bronchi, and alveoli.
• Function: Helps in breathing, oxygen intake, and removal of carbon dioxide.
17. List three ways to adapt physical education activities for children with disabilities.
    Answer:
• Use simple language and demonstrations.
• Provide assistive devices like wheelchairs.
• Modify game rules to ensure participation.
18. Explain the difference between isotonic and isometric exercises with examples.
    Answer:
• Isotonic Exercises: Involves movement (e.g., push-ups, squats).
• Isometric Exercises: No movement, just muscle contraction (e.g., plank, wall sit).
19. What is body composition? How is it measured?
    Answer:
• Body Composition: The ratio of fat, muscles, and bones in the body.
• Measurement Methods: BMI, skinfold calipers, and bioelectrical impedance analysis.

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Section D: Long Answer Questions (7 Marks Each)

20. Anatomy and Physiology: Describe the structure and function of the circulatory system with a labeled diagram.
    Answer:
• Structure: Includes heart, blood vessels (arteries, veins, capillaries), and blood.
• Function: Circulates oxygen and nutrients, removes waste, and maintains body temperature.
• Diagram: (Students should draw a labeled diagram of the circulatory system).
21. Kinesiology and Biomechanics: Explain the principles of biomechanics and their application in improving sports techniques.
    Answer:
• Balance: Helps athletes stay stable (e.g., gymnasts).
• Force: Applying force correctly improves performance (e.g., in throwing sports).
• Motion: Understanding movement patterns improves efficiency (e.g., in running techniques).