CBSE Class 12 Physical Education Biomechanics and Sports VBQs

Question. The laws of ……… are concerned with internal and external forces acting on human body.
(a) Gravitation
(b) Motion
(c) Momentum
(d) Energy
Answer. B

Question. Which of the following is not a type of movement related to physical activity?
(a) Extension
(b) Contraction
(c) Abduction
(d) Adduction
Answer. B

Question. Identify the motion most commonly seen in shoulder and hip joints.
(a) Flexion
(b) Rotation
(c) Circumduction
(d) Extension
Answer. C

Question. When a player lifts his arm to hit a ball in the game of lawn Tennis, then it is which movement?
(a) Extension
(b) Flexion
(c) Rotation
(d) Abduction
Answer. D

Question. Biomechanics as used in sports is considered to be a branch of which of these?
(a) Physics
(b) Kinesiology
(c) Physiology
(d) Anatomy
Answer. B

Question. Causes of sports injury are studied in ………… and accordingly correction measures can be taken to prevent them.
(a) Chemistry
(b) Sports medicine
(c) Sports psychology
(d) Biomechanics
Answer. D

Question. Physical activity is made possible by movements and motions. Movements around a joint or lateral ………… involves the sequential combination of flexion, adduction, extension and abduction at a joint.
(a) Internal rotation
(b) External rotation
(c) Circumduction
(d) None of these
Answer. C

Question. According to Newton’s Second Law of motion, acceleration of an object, is directly proportional to the force producing it and inversely proportional to its mass. On the basis of this information, answer the following question.
What is the other name of Newton’s Second Law of Motion?
(a) Law of Inertia
(b) Law of Acceleration
(c) Law of Action-Reaction
Answer. B

Question. Assertion (A) A Hammer thrower needs to apply more force to throw as 16 lbs hammer as compared to a 12 lbs hammer.
Reason (R) The law of Acceleration states that if equal forces are applied to objects of different masses, the lighter mass will travel at a faster speed.
(a) Both A and R are true, but R is not the correct explanation of A
(b) Both A and R are true, and R is the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Answer. B

Question. Assertion (A) Moving a finger in a circular motion without moving the hand is an example of circumduction.
Reason (R) Circumduction motion is a kind of rotation motion.
(a) Both A and R are true, but R is not the correct explanation of A
(b) Both A and R are true, and R is the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Answer. C

Case Study Based Questions

1. In biomechanics class, Gopi, the teacher, brings the students to the physics lab of his school. The students get confused. After the completion of the class, they realize the fact.

Question. Why does the teacher bring the students to physics lab for biomechanics class?
(a) It deals with physics principle.
(b) Sliding friction
(c) Rolling friction
(d) Static friction
Answer. A

Question. Biomechanics is associated with
(a) Mechanic
(b) Physics
(c) Mechanic and Physics
(d) Mechanic and Anatomy
Answer. D

Question. Friction can be increased by which of the following?
(a) Smooth surface
(b) Dry surface
(c) Decrease the Weight
(d) All of this
Answer. B

2. During the physical education class Newton’s Laws of motion were discussed and their practical application in sports events was explained to students. These laws are most relevant in sports as most of the actions in sports are related to these laws. On the basis of this information answer the following questions.

Question. Newton’s First law of motion is also known as?
(a) Law of inertia
(b) Law of Momentum
(c) Law of reaction
(d) Law of acceleration
Answer. A

Question. What is the relationship between Mass and force?
(a) Directly proportional
(b) No relationship
(c) Inversely proportional
(d) Both (a) and (c)
Answer. A

Question. Newton’s second law is also known as
(a) The law of reaction
(b) The law of inertia
(c) The law of acceleration
(d) None of the above
Answer. C