Vidaara.orgClass 11 · Mathematics
CodeVID-M11-WS
Locomotion and Movement — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
Movement of the whole body from one place to another is:
- A.Movement
- B.Locomotion
- C.Excretion
- D.Respiration
2.
The movement of cilia in the windpipe is an example of:
- A.Muscular movement
- B.Ciliary movement
- C.Amoeboid movement
- D.Locomotion
3.
Muscle attached to bones and under conscious control is:
- A.Smooth muscle
- B.Cardiac muscle
- C.Skeletal muscle
- D.Involuntary muscle
4.
Muscle found in the walls of internal organs is:
- A.Skeletal
- B.Smooth
- C.Cardiac
- D.Striped
5.
Cardiac muscle is found in the:
- A.Stomach
- B.Heart
- C.Limbs
- D.Intestine
6.
The thick filaments of a muscle are made of:
- A.Actin
- B.Myosin
- C.Keratin
- D.Collagen
7.
The functional unit of muscle contraction is the:
- A.Sarcomere
- B.Nephron
- C.Neuron
- D.Alveolus
8.
In the sliding filament theory, the actin filaments:
- A.Shrink
- B.Slide over myosin
- C.Disappear
- D.Grow
9.
Muscle contraction needs calcium ions and energy from:
- A.DNA
- B.ATP
- C.Bile
- D.Urea
10.
Biceps and triceps are an example of:
- A.Antagonistic muscles
- B.Cardiac muscles
- C.Smooth muscles
- D.Cilia
11.
About how many bones are there in the adult human skeleton?
- A.106
- B.206
- C.306
- D.406
12.
The skull, vertebral column and ribs belong to the:
- A.Appendicular skeleton
- B.Axial skeleton
- C.Limb skeleton
- D.Girdle
13.
The elbow and knee are examples of a:
- A.Ball-and-socket joint
- B.Hinge joint
- C.Fixed joint
- D.Gliding joint
14.
Bones are joined to other bones by tough cords called:
- A.Tendons
- B.Ligaments
- C.Muscles
- D.Nerves
15.
Inflammation and pain in the joints is called:
- A.Arthritis
- B.Anaemia
- C.Jaundice
- D.Asthma
Section B — Challenge / Olympiad (2 marks each)
6 × 2 = 12 marks
16.
Muscles are arranged in antagonistic pairs because a muscle can only:
- A.Pull, not push
- B.Push, not pull
- C.Grow, not shrink
- D.Rest, not work
17.
During contraction the sarcomere shortens even though the filaments stay the same length. This is explained by:
- A.The filaments sliding past each other
- B.The filaments dissolving
- C.Bones bending
- D.Loss of calcium
18.
A blow to the head is less likely to damage the brain because the skull is made of:
- A.Immovable joints forming a protective case
- B.Hinge joints
- C.Ball-and-socket joints
- D.Soft muscle
19.
Older people are more prone to fractures partly because of osteoporosis, in which bones:
- A.Lose minerals and become brittle
- B.Gain extra calcium
- C.Turn into muscle
- D.Become more flexible
20.
The shoulder allows a wider range of movement than the elbow because it is a:
- A.Ball-and-socket joint
- B.Hinge joint
- C.Fixed joint
- D.Slightly movable joint
21.
Without enough ATP, a muscle cannot relax properly (as in cramps) because ATP is needed to:
- A.Detach the filaments and reset the sarcomere
- B.Make more bone
- C.Add calcium forever
- D.Stop the nerve
Answer Key
Section A — Multiple Choice (1 mark each)
- (B) Locomotion
- (B) Ciliary movement
- (C) Skeletal muscle
- (B) Smooth
- (B) Heart
- (B) Myosin
- (A) Sarcomere
- (B) Slide over myosin
- (B) ATP
- (A) Antagonistic muscles
- (B) 206
- (B) Axial skeleton
- (B) Hinge joint
- (B) Ligaments
- (A) Arthritis
Section B — Challenge / Olympiad (2 marks each)
- (A) Pull, not push
- (A) The filaments sliding past each other
- (A) Immovable joints forming a protective case
- (A) Lose minerals and become brittle
- (A) Ball-and-socket joint
- (A) Detach the filaments and reset the sarcomere
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