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Science · 2024 · 3 marks
CBSE 2024 · Region 2 · Set 3 · Q29
(a) List any two contraceptive methods practised only by women. Mention how these methods work. (b) Write the two roles performed by testes in human…
(a)
List any two contraceptive methods practised only by women. Mention how these methods work.
(b)
Write the two roles performed by testes in human males.
Marking-scheme solution
Oral pills/chemical method : Change hormonal balance so eggs are not released.
Loop/Copper T : Prevents pregnancy by checking the entry of sperms through the vagina.
Surgical method: It does not allow egg to reach the uterus.
(b) Two roles of testes :
(i) Formation of sperms
(ii) Secretion of hormone testosterone
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CBSE Class 10 Science past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.