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Observe the statemens Manju boils the ...

Observe the statemens
Manju boils the milk immediately after taking out from the refrigerator.
Kavitha keeps the milk outside for some time to get the room temperature, than boils the milk.

A

‘a,b’ both are correct

B

a' correct 'b' wrong

C

a' wrong 'b' correct

D

a', 'b' both wrong

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Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now, Keep cup A empty. Put one teaspoon sugar in cup B. Put one teaspoon salt in cup C. Put one teaspoon sugar in the boiled potato cup D. Keep these for two hours. Then observe the four potato cups and answer the following: Explain why water gathers in the hollowed portion of B and C.

Carry out the following osmosis experiment: Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now, Keep cup A empty. Put one teaspoon sugar in cup B. Put one teaspoon salt in cup C. Put one teaspoon sugar in the boiled potato cup D. Keep these for two hours. Then observe the four potato cups and answer the following: Why is potato A necessary for this experiment?

NCERT TELUGU-OBJECTIVE TYPE QUESTION-ENVIRONMENTAL EDUCATION
  1. Which of the following disease is caused by mosquito bite?

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  2. In gas stove, which burner helps to save the fuel?

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  3. Observe the statemens Manju boils the milk immediately after taking ...

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  4. The boiling point of water in pressure cooker is

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  5. Fill in the blank. (3) Development is necessary, but it should be ……...

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  6. ……………. Stands first place in our country in utilising solar energy.

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  7. Grow shade trees which help to cool the house and reduce the utilizati...

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  8. In sun, the important source of energy is,

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  9. Which are the activities we should follow among the following? (A) Tur...

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  10. Average life span of fluoroscent bulb is …………….. Times greater than th...

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  11. Do you think solar energy transforms - into chemical energy by the pro...

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  12. What is pollination?

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  13. Ranganadh cultivated marigold flowers along with Chilies in his field....

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  14. Smitha converted her broken toy into a wall hanging. What is this cal...

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  15. Percolation tanks helps to

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  16. These are to be called as Animal Conservation Centers.

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  17. In 19th century the population of is 1,00,000 but now has fallen to a...

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  18. The name of the project for tigers-

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  19. What ar biodegradable substances?

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  20. Observe the following sentences. (A) Buy a polythene cover at the mark...

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