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L.No:- 16. SENSORY ORGANS, Q1. Fill in the blanks., (1) Our eyes tell us how far something is., (2) Our ears tell us which direction a sound is coming, from., (3)The smell tells us that the air is foul., (4)Our skin tells us that something is hot., (5)Our tongue feels as if it is burning when we eat a, chilly., (6)Sensory organ tells us about our surroundings., (7) The ears tell us whether the sound is sweet or, harsh., (8) Difficulties may arise due to lack of coordination., (9) For every task we make different kinds of, movements., (10) If we cannot see well, we can use spectacles., (11) In some cases a surgery can help a person to hear., (12) A person who cannot hear well, can use a hearing, aid.
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Q2. True or False., (1) If Tai is blindfolded, she is unable to hear the sound., False., (2)We have four sensory organs., , False., , (3) If we know what is happening in our surrounding,, then we can keep ourselves safe., True., (4) We have to use our eyes to understand the colour., True., (5) ‘Hot’ is also one of the taste., , False., , (6) The typical savoury flavour of roasted peanuts is, understood by ears., False., (7) If nose is not functioning properly we have to place, spectacles on it., False., (8) If there is defect in the leg, special wheelchair can, be used., True., Q3. Which sensory organ gives you the following, information ?, (1) The guava is sweet., , Tongue, , (2) The cuckoo is singing on the tree outside, , Ears., , (3) The sunflower is yellow., , Eyes.
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(4) The incense stick has a nice fragrance., , Nose., , (5) The medicine is bitter., , Tongue., , (6) The towel is rough., , Skin., , Q4. Think and tell:, Some ingredients we use in the kitchen are named, below. What are their colours?, (1) Turmeric – Yellow, (2) Coriander leaves – green, (3) Ripe chilly – Red., (4) Salt – White., (5) An unripe tomato – green., , Q5. Answer the following questions:, (1) How are the two hands used while roasting the, peanuts ?, Ans: While roasting the peanuts we use tongs to hold, the pan with left hand. At the same time spatula is held, in right hand to stir the peanuts in the pan. In this way
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both the hands work in co-ordination while roasting, the peanuts., (2) What is meant by sensory organs?, Ans: The organ that tells us about our surrounding is, called sensory organ.Eyes, Ears, nose, tongue and skin, are the five sensory organs., (3) What help do we get from our sensory organs?, Ans. Eyes-Help to see, Ears- help to hear, Nose-to, smell, Tongue – to taste, Skin –to feel. In this way our, sensory organs help us., (4) Why is co-ordination necessary?, Ans. We need co-ordination to get any task done, smoothly. Lack of co-ordination gives rise to mistakes, or muddles., (5) If any part of body of a person does not function, well, then what will happen to such a person?, Ans. If any part of body of a person does not function, well, then he becomes disabled, he faces many, difficulties. There will be no co-ordination in his, movements.
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(6) How does a disabled person overcome his, difficulties ?, Ans- (1) Some difficulties can be treated by medical, treatment. (2) In some cases, they can take the help of, normal person. (3) Some special devices can be used, to overcome the disability eg:- defect in leg-wheel, chair, hearing defect- hearing aid., (7) How does a blind person move independently ?, Ans. A blind person can use a white cane to feel the, way infront of them. The sounds they hear around, them also help to know the situation around them. In, this way , they can move independently even on a, crowded road full of traffic., Q6. Use your brain power:, (1) In summer how can we tell, without even looking, outside, that it is raining nearby?, Ans. When there is first shower on heated land, with, the smell of soil and cool breeze we can say it is raining, nearby., (2) What would be the benefit of knowing the direction, from which a sound comes?
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Ans. By knowing the direction of the sound, we can, understand what is happening around and in which, direction accordingly we can decide the next action., , Q7. What’s the solution?, *There is a foul smell in the house. A food item is, giving out a rotten smell., Ans. Such rotten food item should be immediately, disposed off by finding it out., , OPEN ENDED QUESTIONS, Q1. What can be done?, Dinner is ready and mother has asked Sakina to call, Grandpa. But Grandpa cannot hear at all. How will, Sakina tell him to come?, Ans. By using sign language and through gestures., , Q2. Think and tell:, Yesterday’s yoghurt is spoilt. It cannot be eaten. How, would you know that ?
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Ans. By the smell and change in colour we came to, know that yesterday’s yoghurt is spoilt.
