Which from the following is NOT a conductor?
A. Aluminium
B. Silicon
C. Graphite
D. All are conductors
A camera uses a ____ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these
Deficiency of Vitamin-D results in ______.
A. night blindness
B. rickets
C. scurvy
D. hair fall
Each day human body breathe in ______ liters of air.
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000
The most abundant element in the Earth’s crust is ______.
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
The most abundant element in the universe is ______.
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
- Go to the previous page
- 1
- …
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- …
- 26
- Go to the next page