Free Body Movements 01 Practice Test - 6th grade
Question 1
Which part of the bird is used for walking?
SOLUTION
Solution : B
Birds are toe-walkers. They use their hind limbs to walk or perch. Their forelimbs or front legs are modified into wings and so are used for flight. Birds do not have teeth or a true jaw. Instead, they have light-weighted beak for eating, feeding their young ones or killing their prey.
Question 2
The bones that protect the portion of the body below our stomach are called ________ .
SOLUTION
Solution : A
Pelvic girdle is a bowl-like structure present in lower part of our trunk. It is a weight bearing structure which we sit on. It is made up of four bones, together termed as pelvic bones.
∙ They serve as a point of attachment for the lower limbs.
∙ They protect digestive organs, excretory organs and reproductive organs.
∙ They enable an easy transfer of weight from the upper body to the limbs.
Question 3
The joint which allows forward and backward movement of head is ______________.
SOLUTION
Solution : C
∙ Pivot joint allows us to bend our head forward and backward and turn our head right or left.
∙ Hinge joint allows back and forth movement.
∙ Ball and socket joints allow movement in nearly all directions.
∙ Fixed joints don't permit any movement and are extremely strong.
Question 4
The act of changing place or position, by the entire body or by one or more of its parts, is termed as ________ .
SOLUTION
Solution : C
Movement in living beings is described as the change of place or position. It takes place by the entire body or one or more of its parts. Movement is essential for various purposes like gathering food, escaping from a predator or moving to places with better environmental conditions. Movement in animals is essential for their survival.
Question 5
What does the following picture indicate?
Photograph
Photocopy
X-Ray
MRI scan
SOLUTION
Solution : C
X- rays are techniques used to find out about any possible injuries that might have happened to the bones. The X-rays show the shapes of the bones and joints in the body.
Question 6
Which of the following animals have an outer skeleton?
SOLUTION
Solution : B
Insects such as cockroaches have a hard outer skeleton and is called an exoskeleton. Frogs, snakes and elephants do not have exoskeletons.
Question 7
Which of the following organisms do not have bones?
SOLUTION
Solution : C
Earthworms do not have any bones. It has muscles to extend and shorten its body. These muscles help the earthworm in movement.
Question 8
The bones of the birds are ___________ and ___________.
SOLUTION
Solution : A
The bones of the birds are hollow and light. This makes their body light in weight which helps them to fly in the air. The bones in their hindlimbs are designed for walking and perching. The bony part of their forelimbs are modified for flying.
Question 9
Choose the odd one out based on the type of joint present in them.
SOLUTION
Solution : D
∙ The joint present in knee, finger, ankles and elbows is called hinge joint. All these parts allow only back and forth movement.
∙ Shoulder allows movement in nearly all directions due to the presence of ball and socket joint in them.
Question 10
Statement 1: Skeleton helps in performing different body movements.
Statement 2: Skeletal system helps in protecting internal organs.
SOLUTION
Solution : C
The skeletal system performs the following functions:
1. It gives shape and structure to our body.
2. It helps our body in performing different body movements.
3. It protects our delicate internal organs.