Skeletal System & Nervous System Worksheet-9

Skeletal System & Nervous System Worksheet-9

Multiple-Choice Question:

1. The ____ acts like a helmet that protects the brain inside.

(A) Rib cage                (B) Skull                      (C) Backbone

2. Which of the following is the movable part of the skull?

(A) Lower jaw            (B) Upper jaw            (C) Both of these

3. Rib cage is also known as:

(A) Rib cavity             (B) Rib chamber       (C) Thoracic cage

4. Which of the following is the longest bone in our body?

(A) Femur                   (B) Backbone              (C) Shoulder bone

5. Which of the following help us in preventing sweat from running into the eyes?

(A) Eyebrows              (B) Eyelashes              (C) Eyelids

6. Which of the following type of joint is found in the bones of the wrist and the ankle?

(A) Hinge joint           (B) Pivot joint             (C) Gliding joint

7. Ear bone is also known as:

(A) Stirrup                  (B) Sternum                (C) Scapula

8. Which of the following is the largest part of the human brain that is responsible for the memory, learning, intelligence etc.?

(A) Cerebellum          (B) Medulla                (C) Cerebrum

9. Which of the following sense organ help us to detect sensations like heat, cold, pain etc?

(A) Eyes                       (B) Nose                       (C) Skin

10. True/False:

a.      There are 205 bones present in the skeleton.

b.      Hollow bones present in our body contain bone marrow.

c.      A long bone present at the centre of the chest is known as floating rib.

d.      Cartilage is present inside the bones.

e.      Cardiac muscles are present in the heart and make heart beat.

f.       The shoulder joint and the hip joint are examples of hinge joint.

g.      Stirrup is as small as beans.

h.      The brain controls the body movements.

i.       Different regions of the tongue help us in tasting different kinds of taste such as sweet, sour, bitter, salty.

Miscellaneous Questions:

11.  Identify different types of joints in the given figure.

Fill in the blanks:

12. ____ bone is the smallest bone in our body.    

Answer Key:

(1)     (B)

(2)    (A)

(3)    (C)

(4)    (A)

(5)    (A)

(6)    (C)

(7)    (A)

(8)    (C)

(9)    (C)

(10)  a. False; b. True; c. False; d. False; e. True; f. False; g. False; h. True; i. True

(11)   A) Pivot joint; B) Hinge joint; C) Ball and socket joint; D) Gliding joint

(12)  ear