EASY
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The wings of a bird move upward and backwards in a downstroke.

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Important Questions on Body Movements

EASY
A resting animal attempts to move. Give four probable reasons behind it.
MEDIUM

Match the words of Column- A with that of Column- B and select which of the following options is correct

Column-A Column-B
A Flexion (i) Quadriceps
B Extension (ii) Piriformis
C Rotation (iii) Biceps
EASY
Write the two adaptive significance of air sacs for pigeons.
EASY
Modified forelimbs of birds which help them to fly: _____.
EASY
Flight muscles are joined to the bones.
HARD
How is movement in snakes different from insects?
EASY
This organism moves by repeated contraction and relaxation of muscles of its body.
MEDIUM
Each kind of feather on a bird serves a different purpose. Explain.
MEDIUM
What do you mean by a streamlined body?
MEDIUM
What is the locomotory organ in an earthworm?
EASY
Snails and tortoises have a shell to protect themselves.
MEDIUM
Differentiate between wings of birds and wings of insects. 
MEDIUM
Write a note on the organs for movement in different animals.
MEDIUM
Which type of fin help the fish in its movement? 
MEDIUM

How is movement brought about in the following animal?

Fish

MEDIUM
Describe the locomotion in an earthworm with the help of a diagram.
MEDIUM

How do the following organism move?

Cockroach

HARD
Explain the fins of a fish. What are their functions?
MEDIUM
Which of the following statements is true?
(a) Only earthworms have muscles.
(b) Only snakes have muscles.
(c) Both earthworms and snakes have muscles.
(d) Neither earthworms nor snakes have muscles.