Choose the odd one.

Answer: Option A

Explanation:

All except Reader are involved in preparation of book, journal, newspaper etc.

Answer: Option B

Explanation:

Beethovan was a musician, rest were scientists.

Answer: Option D

Explanation:

All except Cabbage grow underground.

Answer: Option A

Explanation:

All except Brigadier are ranks of Navy, while Brigadier is a rank of army.

Answer: Option B

Explanation:

Tomato grows above the ground while all others grows underground.