If you could use any source of energy for heating your food, which one would you use and why?.
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If you could use any source of energy for heating your food, which one would you use and why?
We shall use LPG/CNG gas or electricity for heating our food because these are efficient ways of supplying energy. Thermal efficiency of the energy source is large, there is less...
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If a plant shows a symptom which could develop due to deficiency of more than one nutrient, how would you find out experimentally,
In plants, the deficiency of a nutrient can cause multiple symptoms. For example, the deficiency of nitrogen causes chlorosis and delayed flowering. In a similar way, the deficiency of a nutrient...
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List any four changes you would like to incorporate in your lifestyle in a move towards a sustainable use of available resources in our country.
(i) Save electricity by switching off unnecessary lights and fans. (ii) Reuse of used envelopes, plastic bottles. (iii) Opt for carpool. (iv) Cycling to school.
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List any four changes you would like to incorporate in your lifestyle in a move towards a sustainable use of available resources in our country....
Four changes I would like to incorporate in our lifestyle in a move towards a sustainable use of available resources are: (i) I will collect plastic, paper, glass and metal items...
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List any three parameters, which categorizes any source of energy as a good source of energy
(i) Available in enormous amount in nature all the time. (ii) Easy to store and transport. (iii) It should be economical and easily accessible.
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Imagine how it would be to have your eyes in place of your ears? What would you be able to do then,
If my ears were in place of my ears, I would have been able to see all the things to my right and left clearly.
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Use a clean cloth to wipe the front part of your tongue so that it is dry. Put some sugar or jiggery there. Could you taste anything?
No, I could not taste anything. It is because we get the taste only when the food mixes up with saliva and reaches taste buds present on the tongue.
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Think, if there were is an earthquake where you live, would your house be a danger? What kind of damage could take place?
Yes, if there is an earthquake, where I live, my house would be in danger. The following damage could happen: (i) The various household equipment such as TV, radio, utensils, eatables...
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Put your hand on your chest, when your breathe in, does your chest come out or go in?
On putting the hands on the chest, when I breathed in, my chest comes out.
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Put your finger under your nose. Can you feel any air when you breathe out from your nose?
Yes, I can feel the air when I breathe out from your nose
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