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5th Grade > Science

SAFETY AND FIRST AID MCQs

Total Questions : 37 | Page 4 of 4 pages
Question 31.


A crack or break, in a bone is called ___.


  1.     displacement
  2.     fracture
  3.     wound
  4.     burn
 Discuss Question
Answer: Option B. -> fracture
:
B
A crack or a break in a bone is called a fracture. It can range from a thin crack to a complete break. Fractures commonly happen because of accidents, falls, or sports injuries.
Question 32.


Tap water is an insulator.


  1.     True
  2.     False
  3.     wound
  4.     burn
 Discuss Question
Answer: Option B. -> False
:
B
Tap water has dissolved minerals, and salts, that are responsible for conduction of electricity. Thus, tap water is a good conductor of electricity.
Question 33.


Which of the following will reduce the chances of infection when applied to the minor burns?


  1.     Antiseptic lotion
  2.     Paste of baking soda and water
  3.     Pain balms
  4.     Sling
 Discuss Question
Answer: Option A. -> Antiseptic lotion
:
A and B
Minor burns can be treated at home by appliying an antiseptic lotion on it. If an antiseptic lotion is not available, apply a paste of baking soda and water, it gives relief by providing a cooling sensation to the skin.
Question 34.


The helpline number for fire department is 100.


  1.     True
  2.     False
  3.     Pain balms
  4.     Sling
 Discuss Question
Answer: Option B. -> False
:
B
100 is the helpline number for the police dedpartment.
Question 35.


Which of the following does not help in extinguishing a fire?


  1.     Water
  2.     LPG
  3.     Fire extinguisher 
  4.     Sand
 Discuss Question
Answer: Option B. -> LPG
:
B

LPG is a flammable gas. It explodes drastically when comes in contact with fire. Water, fire extinguisher and sand help in extinguishing a fire.


Question 36.


If LPG comes in contact with electric sparks, it can result in fire.


  1.     True
  2.     False
  3.     Pain balms
  4.     Sling
 Discuss Question
Answer: Option A. -> True
:
A

LPG is a highly flammable mixture of gases used as fuel in cooking. It explodes when comes in contact with fire.  


Question 37.


Which of the following actions can give you an electric shock?


  1.     Holding an electric appliance with wet hands
  2.     Cooking food on an induction plate
  3.     Ironing clothes standing barefoot
  4.     Using a mobile phone
 Discuss Question
Answer: Option A. -> Holding an electric appliance with wet hands
:
A and C
Water is a conductor of electricity. If an object or a wire through which current is flowing comes in contact with wet hands it may give you a shock. 70% of our body is made up of water. So, if we touch any faulty equipment, or stand barefoot the current passes through our body and gives an electric shock. 

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