Question

With reference to human beings, find out the mis-match pair.

• A. Insemination – Discharge of semen into the vagina of a female
• B. Implantation – Setting of zygote in the endometrium uterus
• C. Menopause – Total arrest of menstrual cycle forever
• D. Menarche – Beginning of menstrual cycle for the first time in life

Hint:

{Implantation always involves a blastocyst, not a zygote}.

Answer 1

The Correct Option is B

Step 1: Understanding implantation.
Implantation refers to the attachment and embedding of the blastocyst, not the zygote, into the endometrium of the uterus.

Step 2: Checking other pairs.
Insemination, menopause, and menarche are correctly defined in the given options.

Step 3: Conclusion.
Thus, option (B) is the mis-matched pair.