Question

A. Choose the correct option.
1.
The diameter of a tree can be easily measured by using a
a. metre scale.
b. measuring tape
c. ruler.
d. beam balance.
2.
The standard unit of area in SI system is
b. km
C. cm.
d. mm
3. The mass of a human being is generally expressed in
a. quintals.
b. metric tons. c. kilograms.
d. milligrams.
A quantity that can be measured is known as
a. measured quantity.
b. known quantity
C. chemical quantity.
d. physical quantity.
5. Which instrument will be used to measure the mass of a medicine tablet?
a. Ruler
b. Beam balance
c. Electronic balance d. Metre tape
6.
A length of 300 cm is expressed in metres as
a. 3 m.
b. 300 m.
c. 0.3 m.
d. 3000 m.
7. While measuring length using a metre scale, the position of the eye
a. should be vertically above the 0 mark of the scale.
b. should be vertically above the point from where the measurement is to be taken.
c. should be little away from the point from where the measurement is to be taken.
d. does not matter as long as the scale is accurate.​

Answer 1

The correct options are -

1. b.
2. c.
3. c.
4. d.
5. c.
6. c.
7. b.

Answer 2

Answer:

Explanation:

1 b. measuring tape : becuase you need a scle that can wrap around.

2. a

3. c. kilograms.

4. d. physical quantity.

5. c. Electronic balance

6. a. 3 m

7. d. does not matter as long as the scale is accurate.​