Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?
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Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube
In test tube ‘A’ – blue black colour because of presence of starch. In test tube ‘B’ – colour of iodine will not change because of digestion of starch into...
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Boojho and Paheli were eating their food hurriedly so that they could go out and play during the recess. Suddenly, Boojho started coughing violently.
Sometimes, when one eats hurriedly, talks or laughs while eating, the flap like valve, epiglottis closing the passage of windpipe remains open. The food may enter the wind pipe and...
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Paheli and Boojho measured their body temperature. Paheli found her’s to be 98.6 °F and Boojho recorded 37°C. Which of the followng statement is true?
(c) Both have normal body temperature.
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Boojho, Paheli and their friend Golu were provided with a test tube each containing China rose solution
‘A’ is an acidic solution. ‘B’ is a basic solution. ‘C’ is a neutral solution.
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On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school.
On a cold day, the warm and moist air exhaled by us condenses into mist when it comes in contact with the cold air of the atmosphere. This looks like...
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If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels in a higher speed?
Boojho moves at a higher speed as he covers the same distance in a lesser time than Paheli.
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Why do we cover plug pin holes which are within the reach of children with cellotape or a plastic cover when not in use?
The child may put his/her fingers into the socket and he/she may get an electric shock which could be fatal.
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Boojho and Paheli were given one mirror each by their teacher.
(c) plane mirror and convex mirror.
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Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water.
Wash, peel, cut and cook the potatoes. Cooking in a small amount of water and then frying in a small quantity of oil conserves the nutrients.
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Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water.
(d) Condensation of atmospheric water vapour
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