Question

• In what ways do human beings make use of this special sense of smell of dogs?
• When do you find your sense of smell helpful to you? List some examples. Like – to know by its smell that food has gone bad or that something is burning.
• Name the animals that you would be able to recognise only by their smell, without seeing them?

• Write the names of five things you like and five things whose smell you do not like.

  I like the smell of	I do not like the smell of
  Rose	Rotten Eggs
  Petrol	Foul Breath
  Paint	Cow Dung
  Wet Soil	Crackers after they are burnt

• Do you and your friends have similar answers?

Answer 1

• The special sense of smell of dogs is used by police to catch thieves, search for lost people and detect bombs. Dogs are also used to guard our houses from strangers.
• Our sense of smell can help us to avoid accidents in many ways. These include:

(i) Finding the leakage of cooking gas from cylinders;

(ii) Burning of wires or clothes.

Disclaimer: This is a sample answer. The answer of the students can vary from this.

• Disclaimer: This question calls for the process of one’s own observance. Keeping the importance of this process in mind, the answers to the same have not been provided.
• Disclaimer: This question calls for the process of one’s own observance. Keeping the importance of this process in mind, sample pointers have been provided for the same.
• This question calls for the process of one’s own observance. Keeping this in mind, it is strongly recommended that the students' prepare the solutions on their own.