Directions: In the following questions, a statement of assertion (A) ...
Surgical methods like vasectomy in male and tubectomy in females prevent pregnancy. These methods block gamete transport and hence prevent fertilisation. They are very effective but reversibility is very poor.
View all questions of this test
Directions: In the following questions, a statement of assertion (A) ...
Assertion (A): Surgical methods are the most effective methods of contraception.
Reason (R): Surgical method blocks gametes transport and hence prevents fertilisation.
Explanation:
Introduction:
Contraception is the deliberate use of methods or techniques to prevent pregnancy as a consequence of sexual intercourse. There are various methods of contraception available, including surgical methods. In this question, we are given an assertion and a reason related to the effectiveness of surgical methods of contraception.
Assertion (A): Surgical methods are the most effective methods of contraception.
Surgical methods of contraception, such as tubectomy in females and vasectomy in males, involve the surgical blocking or cutting of the reproductive organs responsible for the transport of gametes (sperm and eggs). These procedures are highly effective in preventing pregnancy as they directly interfere with the transport of gametes. Once the transportation of gametes is blocked, fertilization cannot occur, and pregnancy is prevented. Therefore, assertion (A) is true.
Reason (R): Surgical method blocks gametes transport and hence prevents fertilisation.
The reason provided for the assertion is also correct. Surgical methods of contraception involve blocking or cutting the reproductive organs responsible for the transport of gametes. By doing so, the surgical methods prevent the transport of gametes and consequently prevent fertilization. If the sperm cannot reach the egg or the egg cannot reach the sperm, fertilization cannot occur, and pregnancy is prevented. Therefore, reason (R) is also true.
Explanation of the correct choice:
Both the assertion and the reason are true, and the reason is the correct explanation of the assertion. Surgical methods are indeed the most effective methods of contraception because they directly interfere with the transport of gametes, preventing fertilization and subsequent pregnancy. Therefore, the correct choice is option 'A' - Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).
To make sure you are not studying endlessly, EduRev has designed Class 10 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 10.