Logical Sequence of Words Questions

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

PHOTOSYNTHETIC

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

isobar, artist, statute, teapot, otters, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
Asia, Africa, North America, ?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
RECIPROCATE

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
REASONABLE

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

Scrupulous

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

LEGALIZATION

Find the odd word/letters/number from the given alternatives.