The normal human body contains how many chromosomes?   

Correct option is B

Answer: (b) 46
· Explanation: Humans have 23 pairs (22 autosomes + 1 pair of sex chromosomes).
· (a) 23 – Number of chromosomes in gametes.
· (c) 44 – Autosomes only.
· (d) 48 – Found in some non-human primates.