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NEET UG · Class 12 · Biology · Zoology half · rationalised NCERT

Zoology Six chapters carrying more weight than their number suggests — human reproduction, evolution, disease and both biotechnology chapters.

6
Chapters
4
Units
24–26
Questions from Class 11
45 Q
Zoology in the paper (180 marks)
0 of 6 chapters done
06

Reproduction

Two chapters that read like anatomy but test like a timeline. Hormone sequences matter.

NMC Unit 6
Ch2

Human Reproduction

Male and female reproductive systemsGametogenesisMenstrual cycle and its hormonesFertilisation and implantationPlacenta and embryonic developmentParturition and lactation
≈ 3 Q
Ch3

Reproductive Health

Reproductive health programmesContraceptive methodsMedical termination of pregnancySexually transmitted infectionsInfertility and assisted reproductive technologies
≈ 3 Q
07

Genetics and Evolution

Hardy–Weinberg is the only numerical here, and it appears far more often than it should.

NMC Unit 7
Ch6

Evolution

Origin of lifeEvidences of evolutionDarwinism and natural selectionHardy–Weinberg principleTypes of natural selectionAdaptive radiationHuman evolution
≈ 3 Q
08

Biology and Human Welfare

Highest single-chapter yield in Class 12 Zoology. Immunity and cancer dominate.

NMC Unit 8
Ch7

Human Health and Disease

Common diseases and their pathogensInnate and acquired immunityAntibody structure and typesVaccination and immunisationAllergies, autoimmunity and the lymphoid organsAIDSCancerDrugs and alcohol abuse
≈ 4 Q
09

Biotechnology

Technique-driven. Know what each enzyme, vector and machine actually does.

NMC Unit 9
Ch9

Biotechnology: Principles and Processes

Principles of genetic engineeringRestriction enzymesCloning vectors and selectable markersCompetent host and transformationPCRGel electrophoresisBioreactors and downstream processing
≈ 3 Q
Ch10

Biotechnology and its Applications

Bt crops and pest-resistant plantsRNA interferenceHuman insulin and gene therapyMolecular diagnosis — PCR and ELISATransgenic animalsBiopiracy and patentsTissue culture and micropropagation
≈ 3 Q

Not in the NEET syllabus

Removed from the rationalised NCERT and the NMC syllabus. Animal husbandry went out with the whole food-production chapter.