Assertion(A): Sexually transmitted diseases (STDs) cannot be prevented...
Option A is incorrect because the cervical cap and diaphragms do not prevent STDs, but the birth control pill does not prevent STDs either.
Option B is incorrect because while (A) is true, (R) is false as the birth control pill does not prevent STDs.
Option C is correct because (A) is true (cervical caps and diaphragms do not prevent STDs) and (R) is false (birth control pills do not prevent STDs).
Option D is incorrect because (A) is true but (R) is false.
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Assertion(A): Sexually transmitted diseases (STDs) cannot be prevented...
Explanation:
Assertion (A):
- Cervical caps and diaphragms are barrier methods of contraception that help prevent pregnancy by blocking sperm from reaching the egg.
- However, they do not provide protection against sexually transmitted diseases (STDs) because they only cover the cervix and do not prevent contact with other parts of the genital area where STDs can be transmitted.
Reason (R):
- Birth control pills are hormonal methods of contraception that work by preventing ovulation.
- While birth control pills are effective in preventing pregnancy, they do not offer any protection against STDs as they do not create a physical barrier to prevent the transmission of infections.
Explanation:
- The assertion is true because cervical caps and diaphragms are not designed to prevent the transmission of STDs.
- The reason is false because birth control pills do not prevent STDs.
Therefore, option 'C' is the correct answer as the assertion is true but the reason is false.