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Practice each question, then open the answer or worked solution.
Have you seen a dog sniffing here and there? What do you think it is trying to smell?
Answer: Yes, we have seen a dog sniffing here and there. The dog is trying to find out if any other dog is nearby by using its smelling senses.
Q1. In what ways do human beings make use of this special sense of smell of dogs?
Answer: Human beings make use of this special sense of smell of dogs to catch criminals, in search of explosives, recovery of stolen goods, etc.
Q2. 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.
Answer: Other than smelling bad or burnt object, we can also sense the smell of perfume, fragrance of a flower, smell of sweat, soaps and detergents, etc.
Q3. Name the animals that you would be able to recognize only by their smell, without seeing them.
Answer: We can recognize animals like sheep, goats, cows, dogs, cats, etc., by their smell.
Q4. Write the names of five things whose smell you like and five things whose smell you do not like.
| I like the smell of | I don’t like the smell of |
| 1. flower | 1. chemicals |
| 2. perfume | 2. garbage |
| 3. tasty food | 3. gutter |
| 4. incense sticks | 4. decaying things |
| 5. cool breeze | 5. fertilizers |
Q5. Do you and your friends have similar answers?
Answer: Yes, our answers are similar to each other.