Logical Sequence of Words Questions

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

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

AbC, dEfG, hIjKl, MnOpQr, ?

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

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

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

Nitrogen fixation, Ammonification, Nitrification, ?

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

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

Bit, Byte, Kilobyte, Megabyte, ?

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

ENDEAVOUR