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Biology · 2026 · 3 marks
CBSE 2026 · Region 2 · Set 2 · Q23
Study the diagram given below: (a) Name and explain the procedure shown in the diagram. Mention one of its advantage and one disadvantage. (b) How is…
Study the diagram given below :
(a)
Name and explain the procedure shown in the diagram. Mention one of its advantage and one disadvantage.
(b)
How is 'Saheli' different from other oral pills in terms of its composition and advantage ?
Marking-scheme solution
(a)
$\displaystyle \star$ Amniocentesis
$\displaystyle \star$ Some of the amniotic fluid of the developing foetus is taken to analyse the fetal cells and dissolved substances.
$\displaystyle \star$ Advantage: It tests the presence of certain genetic disorders /down syndrome / haemophilia / sickle cell anaemia / determine the survivability of the foetus
$\displaystyle \star$ Disadvantage: to determine the sex of unborn child and if found female may lead to female foeticide.
(b)
Saheli is different from other pills in term of:
$\displaystyle \star$ Composition: It is non-steroidal.
$\displaystyle \star$ Advantage: Once a week pill / low side effects /high contraceptive value
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