Home · Schooling · CBSE · Class 12 · Biology · Ch 4
CBSE Class 12 Biology
Mendel's laws, linkage, sex determination, mutations, pedigree.
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Open NCERT chapter ↗5 multiple-choice questions. Pick an option — instant feedback + one-line explanation. Answers don't leave your browser.
1Mendel's law of segregation:
2F2 generation ratio in monohybrid cross is:
3Down's syndrome is caused by:
4Sex determination in humans is XY-XX type, meaning male is:
5Haemophilia is:
Answer all 5 to submit.
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