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प्रश्न
In what ways do human beings make use of this special sense of smell of dogs?
उत्तर
This special sense of smell of dogs is used by humans in many ways. Some examples are as follows:
- For catching criminals.
- For detecting stolen goods.
- For detecting bombs.
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संबंधित प्रश्न
Have you seen a dog sniffing here and there? What do you think it is trying to smell?
Sushila covered her nose when she cleaned Deepak’s nappy, but not when she cleaned her daughter. Why do you think she did this?
Is a smell ‘good’ or ‘bad’ for everyone in the same way? Or does it depend on how each one feels about it?
Write the names of some birds which have eyes on either side of the head. What is the size of their eyes as compared to the size of their head?
Close your right eye or cover it with your hand. Tell your friend to stand to your right, at some distance, and ask him to do some action (wave hand, shake the head, etc.)
Now try to look at your friend’s action with both your eyes open but without moving your neck.
Now toss a small ball or a coin and try to catch it. Try this with both your eyes open. Then close one eye and try to catch it. When was it easier to catch?
The names of some animals whose ears are bigger than our ears.
For this activity find a quiet place in your school. Tell one of your friends to stand at a short distance and ask him to say something softly. The rest of you should listen carefully. Then all of you put your hands behind your ears, as shown in the picture. Let the same child say something again as softly as before. In which case was the sound sharper? Ask your friends too.
Do some animals understand your language? Which ones?
Just like birds and dolphins you can also make your own language of sounds for giving messages. Remember you have to talk to your friends with only sounds and no words. How and when will you need to give an alarm call? For example, when the teacher is coming to the classroom!
