1. What is the basic unit of length in the metric system?
a) Inch
b) Foot
c) Meter
d) Yard
Answer: c) Meter
2. Which unit is used to measure the volume of a liquid?
a) Gram
b) Liter
c) Meter
d) Newton
Answer: b) Liter
3. What is the SI unit of mass?
a) Kilogram
b) Gram
c) Pound
d) Ounce
Answer: a) Kilogram
4. How many centimeters are there in a meter?
a) 10
b) 100
c) 1000
d) 10000
Answer: b) 100
5. Which unit is used to measure temperature in the metric system?
a) Kelvin
b) Fahrenheit
c) Celsius
d) Rankine
Answer: c) Celsius
6. What is the SI unit of force?
a) Joule
b) Watt
c) Newton
d) Pascal
Answer: c) Newton
7. Which of the following is a unit of energy?
a) Joule
b) Meter
c) Liter
d) Newton
Answer: a) Joule
8. How many milliliters are there in a liter?
a) 10
b) 100
c) 1000
d) 10000
Answer: c) 1000
9. What is the unit of pressure in the metric system?
a) Joule
b) Pascal
c) Newton
d) Watt
Answer: b) Pascal
10. Which unit is used to measure the frequency of a wave?
a) Hertz
b) Newton
c) Joule
d) Watt
Answer: a) Hertz
11. How many grams are there in a kilogram?
a) 10
b) 100
c) 1000
d) 10000
Answer: c) 1000
12. What unit is used to measure electric current?
a) Volt
b) Ohm
c) Ampere
d) Watt
Answer: c) Ampere
13. Which unit measures the amount of substance in chemistry?
a) Liter
b) Mole
c) Gram
d) Joule
Answer: b) Mole
14. What is the unit of speed in the metric system?
a) Meter per second
b) Kilometer per hour
c) Mile per hour
d) Both a and b
Answer: d) Both a and b
15. Which unit is used to measure the intensity of light?
a) Candela
b) Newton
c) Joule
d) Hertz
Answer: a) Candela
16. How many meters are there in a kilometer?
a) 100
b) 500
c) 1000
d) 10000
Answer: c) 1000
17. What is the unit of electrical resistance?
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: c) Ohm
18. Which unit is used to measure the area in the metric system?
a) Cubic meter
b) Square meter
c) Liter
d) Joule
Answer: b) Square meter
19. What is the basic unit of time in the metric system?
a) Minute
b) Second
c) Hour
d) Day
Answer: b) Second
20. What unit is used to measure the amount of heat energy?
a) Joule
b) Pascal
c) Newton
d) Watt
Answer: a) Joule