Back to Science on Exam Trends
How do Organisms Reproduce
Medium trendapprox. 6 marksSections A/C/D — a 1-mark MCQ/AR on modes or flower parts, plus a 3–5 mark labelled-diagram answer on the flower or the human reproductive system.
CBSE 2027 — dates, rules and official papers →Ask the tutor1Use exact CBSE terms and label every part of the flower and reproductive-system diagrams — loose wording and unlabelled diagrams lose the separately-marked label credit.
Notesformulae · proofs · mind-map — one view
Learn the 5 conceptsteach yourself first, then practise each
Asexual reproduction modes (fission, budding, fragmentation, regeneration, spore formation, vegetative propagation)1–3 marks Visual
Match each organism to its mode and justify why offspring are near-identical.
Sexual reproduction in a flower — parts of a flower, pollination, fertilisation3–5 marks
Label the L.S. of a flower and trace pollen → pollen tube → zygote.
Human reproductive system (male & female) and its functions3–5 marks Visual
Name each organ and state its one function in a labelled-diagram answer.
Reproductive health — contraception / family planning and STD (HIV/AIDS) prevention2–3 marks
Classify contraceptive methods and link barrier methods to STD prevention.
Variation and the role of DNA copying in reproduction1–3 marks
Explain why DNA copying with slight variation helps a species survive.
When you’re ready — practise or test the whole topic