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CHAPTER - 1, THE SUPER SENSES, , Page No 2:, Question Tell:, - How did the ant know that the other ants were not from its group?, + How did the guard ant recognise this ant?, Answer:, , + The ant had antennae to sense smell. With the help of the smell, it came, to know that the other ants were not from its group., , - The guard ant recognised this ant by its smell., , Question Tell: How did the ant know that the other ants were not from, its group?, , Answer:, , The ant had antennae to sense smell. With the help of the smell, it came, to know that the other ants were not from its group., , Question Try This and Write:, , Drop some sugar, jaggery or anything sweet on the ground. Wait until the, ants come there., , - How long did it take for the ants to come?, , , , - Did one ant come first or a group of ants came together?

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- What did the ants do with the food?, , , , - Where do they go from there?, , , , - Do they move ina line?, , , , Now carefully, without harming the ants, block their path for a while with, a pencil., , - Now observe, how do the ants move?, , , , Answer:, , Disclaimer: This section aims to boost the scientific ways of, experimentation in students. Keeping the importance of this process in, mind, the answers to the same have not been provided., , Page No 4:, , Question Write: Do you and your friends have similar answers?, , Answer:, , 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., , Question Write: Write the names of five things you like and five things, whose smell you do not like.

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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, , , , , , , , , , Answer:, , 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., , Question Write: Name the animals that you would be able to recognise, only by their smell, without seeing them?, , Answer:, , 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., , Question Write: 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:, , Our sense of smell can help us to avoid accidents in many ways. These, include:, , (i) Finding the leakage of cooking gas from cylinders;

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(ii) Burning of wires or clothes., , Disclaimer: This is a sample answer. The answer of the students can vary, from this., , Question Write:, - 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:, , + 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.

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+ 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., , Page No 5:, Question Do and Find Out:, , From the smell of the clothes of your family members, can you say whom, do they belong to? Try to recognise the clothes of any two members of, your family in this way., , Answer:, , Disclaimer: 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.