Mcq's
 

Which is the outermost planet in the solar system?
A. Mercury
B. Pluto
[I][B]C. Neptune[/B][/I]
D. Uranus

2. The SI unit of charge is __________.
A. Ampere
B. [I][B]Coulomb[/B][/I]
C. Ohm
D. Volt

3. Very High Frequency (VHF) have __________ wavelengths.
A. [I][B]shorter[/B][/I]
B. shortest
C. longer
D. longest

4. Long-sight defect could be corrected by using __________ lens.
A. concave
B. [I][B]vonvex[/B][/I]
C. diverging
D. none of these

5. Deficiency of Vitamin-A results in __________.
A. [I][B]night blindness[/B][/I]
B. rickets
C. scurvy
D. hair fall

6. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________.
A. also decrease
B. [I][B]increase[/B][/I]
C. remains constant
D. none of these

7. The lifespan of Red Blood Cells is __________ days.
A. 60
B. [I][B]120[/B][/I]
C. 180
D. 240

8. The density of water is __________.
A. [I][B]1 g/cm3[/B][/I]
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these

9. Radioactivity was discovered by __________.
A. Kelvin
B. Thomson
C. Rutherford
D. [I][B]Bacquerel[/B][/I]

10. A device which converts chemical energy into electrical energy is called __________.
A. motor
B. generator
C. moving-coil meter
D. [I][B]battery[/B][/I]

11. The average adult has a blood volume of about __________ liters.
A.[B][I] 4[/I][/B]
B. 5
C. 6
D. 7

12. The most abundant element in the universe is __________.
A. Oxygen
B. [I][B]Hydrogen[/B][/I]
C. Carbon Dioxide
D. Silicon

13. The most abundant element in the Earth's crust is __________.
A. Oxygen
B. [I][B]Hydrogen[/B][/I]
C. Carbon Dioxide
D. Silicon

14. Each day human body breathe in __________ liters of air.
A[I][B]. 5,000 to 10,000[/B][/I]
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000

15. Deficiency of Vitamin-D results in __________.
A. night blindness
B. rickets
C. [B][I]scurvy[/I][/B]
D. hair fall

16. The SI unit of "pressure" is _________.
A. pascal
B. [B][I]joule[/I][/B]
C. tesla
D. henry

17. The most densest substance on the Earth is __________.
A.[I][B] Platinum[/B][/I]
B. Copper
C. Steel
D. Osmium

18. A camera uses a __________ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D.[I][B] none of these[/B][/I]

19. Which from the following is NOT a conductor?
A.[B][I] Aluminium[/I][/B]
B. Silicon
C. Graphite
D. All are conductor

20. CNG stands for?
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D.[I][B] Compressed Natural Gas[/B][/I]
are they all correct.......:roll

abundant Element in Earth Crust
 

Most abundant Element in Earth Crust is
"Oxygen"

Aluminum is also a conductor.
So the Right answer is "Silicon"

silicon is a semiconductor it conduct electricity some how.....

AOA. u sure abt d 4th Q's ans.?
As far as I 9 it can be cured by concave lens...

sorry it has been written wrongly it is convex lens not vonvex .....concave lens is used in short sightness.....

[QUOTE=Nushrah Kabir;694328]Which is the outermost planet in the solar system?
A. Mercury
B. Pluto
[I][B]C. Neptune[/B][/I]
D. Uranus

2. The SI unit of charge is __________.
A. Ampere
B. [I][B]Coulomb[/B][/I]
C. Ohm
D. Volt

3. Very High Frequency (VHF) have __________ wavelengths.
A. [I][B]shorter[/B][/I]
B. shortest
C. longer
D. longest

4. Long-sight defect could be corrected by using __________ lens.
A. concave
B. [I][B]vonvex[/B][/I]
C. diverging
D. none of these

5. Deficiency of Vitamin-A results in __________.
A. [I][B]night blindness[/B][/I]
B. rickets
C. scurvy
D. hair fall

6. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________.
A. also decrease
B. [I][B]increase[/B][/I]
C. remains constant
D. none of these

7. The lifespan of Red Blood Cells is __________ days.
A. 60
B. [I][B]120[/B][/I]
C. 180
D. 240

8. The density of water is __________.
A. [I][B]1 g/cm3[/B][/I]
B. 1.5 g/cm3
C. 2 g/cm3
D. none of these

9. Radioactivity was discovered by __________.
A. Kelvin
B. Thomson
C. Rutherford
D. [I][B]Bacquerel[/B][/I]

10. A device which converts chemical energy into electrical energy is called __________.
A. motor
B. generator
C. moving-coil meter
D. [I][B]battery[/B][/I]

11. The average adult has a blood volume of about __________ liters.
A.[B][I] 4[/I][/B]
B. 5
C. 6
D. 7

12. The most abundant element in the universe is __________.
A. Oxygen
B. [I][B]Hydrogen[/B][/I]
C. Carbon Dioxide
D. Silicon

13. The most abundant element in the Earth's crust is __________.
A. Oxygen
B. [I][B]Hydrogen[/B][/I]
C. Carbon Dioxide
D. Silicon

14. Each day human body breathe in __________ liters of air.
A[I][B]. 5,000 to 10,000[/B][/I]
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000

15. Deficiency of Vitamin-D results in __________.
A. night blindness
B. rickets
C. [B][I]scurvy[/I][/B]
D. hair fall

16. The SI unit of "pressure" is _________.
A. pascal
B. [B][I]joule[/I][/B]
C. tesla
D. henry

17. The most densest substance on the Earth is __________.
A.[I][B] Platinum[/B][/I]
B. Copper
C. Steel
D. Osmium

18. A camera uses a __________ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D.[I][B] none of these[/B][/I]

19. Which from the following is NOT a conductor?
A.[B][I] Aluminium[/I][/B]
B. Silicon
C. Graphite
D. All are conductor

20. CNG stands for?
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D.[I][B] Compressed Natural Gas[/B][/I]
are they all correct.......:roll[/QUOTE]

For God sake don't misguide people especially in these days.....Share only correct and confirmed information here.Sory to say that.......!!!

The SI unit of Pressure is Pascal. Joule is the unit of energy and work.

Please answer this question.
Gas used by sea divers for breathing contains which gases and in what propotion?

[QUOTE=agnes;694359]Please answer this question.
Gas used by sea divers for breathing contains which gases and in what propotion?[/QUOTE]

It is exactly what you're breathing right now. 21% oxygen, a little over 78% nitrogen and less than 1% other trace gasses like argon. Commonly called breathing gas or simply Air.