Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-diagram based-Medium-Class 12
A diagram shows a contraceptive device inserted into the female reproductive system. Which of the following best describes the mechanism by which this device prevents pregnancy?
A
It releases hormones that inhibit implantation.
B
It blocks the fallopian tubes to prevent fertilization.
C
It releases chemicals that kill sperm.
D
It stimulates the production of antibodies against sperm.
Correct Answer
Option A
Detailed Explanation
The device described is an IUD, which makes the uterus unsuitable for implantation and the cervix hostile to sperm, as mentioned in the NCERT context.
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