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Science — CBSE Class 10 board question

Q1. [5]
Radha has three children. She does not want to have more children. Radha visits a nearby hospital, to know the methods to prevent pregnancy. (i) Mention the name of any two ways other than the surgical methods, following which Radha can avoid unwanted pregnancies. (ii) Name the surgical methods to prevent pregnancy. (iii) Give one example each of sexually transmitted diseases caused by bacteria and virus.
Previously asked in CBSE board exam
2026 31/2/1 Q16 (b)
Generated by claude-sonnet-4-6 · 2026-06-15 06:42 · grounding rag
Model Answer

(i) Two non-surgical contraceptive methods Radha can use:

  1. Mechanical barrier method – Use of condom (on penis) or similar covering worn in the vagina, which prevents sperm from reaching the egg.
  2. Hormonal pills (oral pills) – These change the hormonal balance of the body so that eggs are not released and fertilisation cannot occur.

(She could also use copper-T / loop placed in the uterus to prevent pregnancy.)

(ii) Surgical methods to prevent pregnancy:

In both cases, fertilisation does not take place.

(iii) Examples of sexually transmitted diseases (STDs):

Source: Chapter 7, Section 7.3.3(d)

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Explanation
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