PHYSICS :-

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1. How much heat is required to raise the temperature of 1 kg of water by 1 degree c ? Ans :- 4,184 Joule

2. What is the SI unit of electric current ? Ans :- Ampere (AMP)

3. What types of lens is a magnifying glass ? Ans:- Convex Lens

4. What is the name of the point where light rays from infinity coverage after passing through a lens ? Ans:- Focal Point

5. Which is not a good heat insulator ? Ans:- Mercury

6. Which is attracted by a magnet ? Metals

7. What is the name given to the band of seven colours formed by splitting of light by a prism? Ans:- Spectrum

8. How is the way where light travels? Ans:-as a wave

9. What is the wire of an electric bulb known as ? Ans:- The Filament

Biology

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1. How many teeth does an average human adult have? Ans:- 32

2. What is the pulse rate of an average healthy human being ? Ans:-between 60 to 100 beats per minute.

3. What is the name given to the green pigment in plants? Ans:- Chlorophyll

4. Form where does the quinine obtained ? Ans:- the bark of the cinchona tree.

5. How is the age of a tree determined ? Ans:- by counting the numbers of rings

6. What forms after the flowers have pollinated? Ans:- a fruits and seeds

7. What is quinine used for? Ans:- to treat malaria

8. What is he everyday name for the plants that are called Gramineae? Ans:- Grasses

9. Which food stuff turns blue-black when brought in contact with iodine? Ans:-Foods that contain starch

10. How is bile secreted ? Or from Where? Ans:- a series of ducts.

Common Science

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Instruments:-

1. Measures Altitude :- Altimeter

2. Measures of Electric Current:-Ammeter

3. Measures intensity of Sound :- A decibel meter

4. Measures atmospheric pressure :- A barometer

5. Measures heat radiation :- Pyrometer

6. Measures depth of ocean :- Sonar

7. Measure magnetic flux :- A Flux meter

8. Measure rainfall :- A rain gauge

9. Measure small potential difference in electric current :- Voltmeter

10. Examines internal organs of the human body :- An endoscope.

***Thank You***