Q: Does "year" have the same meaning in the following two sentences?

In the year 1920.

A normal year has 365 full days, but there are 366 days in a leap year.

OPTIONS:
- different meanings
- the same meaning

A: the same meaning

Q: Does "disperse" have the same meaning in the following two sentences?

Disperse particles.

The Jews are dispersed among all nations.

OPTIONS:
- different meanings
- the same meaning

A: different meanings

Q: Does "unit" have the same meaning in the following two sentences?

The centimetre is a unit of length.

Units of nucleic acids.

OPTIONS:
- different meanings
- the same meaning

A:
different meanings