How many scientific fundamental quantities are given S.I. units?

7

The correct answer is option 2. 7.

There are seven scientific fundamental quantities i.e.

1. Length(l)

2. Time(t)

3. Mass(m)

4. Electric current(I)

5. Thermodynamic temperature(T)

6. Amount of substance(n) &

7. Luminous intensity(Iv).

They can’t be expressed as other quantities i.e. independent.