Logical Sequence of Words Questions

From the given alternative words, select the word which cannot be formed using the letters of the given word:
ECCENTRICITY

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Arctic Circle, Tropic of Cancer, ? , Tropic of Capricorn

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Cell, Tissue, Organ, ?

From the given alternative words, select the word which cannot be formed using the letters of the given word:

ENVIRONMENT

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Ancillary

From the given alternative words, select the word which cannot be formed using the letters of the given word:

MEASUREMENT

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
Millimetre, Micrometre, Nanometre, ?

From the given alternative words, select the word which cannot be formed using the letters of the given word:

INTROSPECTION