Organisms and Populations — NEET/JEE Questions, Notes & Weightage
Class 12 Ecology and Environment NEET weightage: High 0 questions
Covers population attributes (growth curves, age pyramids), population interactions (competition, predation, parasitism, mutualism, commensalism), and organism adaptations to the environment. Population-interaction examples and growth-curve interpretation are tested almost every year.
Practice all 0 Organisms and Populations questions →Topics inside Organisms and Populations
Social & Preventive Medicine
20
Demography
4
Indicators of Health
4
Microbiology
4
Epidemiology
4
Pediatrics
3
Concept of Health and Disease
2
Respiratory System
2
Measurement of Mortality and Morbidity
2
All India exam
2
Cholera
2
Health Programmes in India
1
Vibrio
1
Rabies
1
Bacteriology
1
Gynaecology & Obstetrics
1
Concept of Control
1
Parasitology
1
General Microbiology Pa 1 (History, Microscopy, Stains and Structure and Physiology of Bacteria)
1
Biochemistry
1
Dental
1
miscellaneous
1
Nutrition and Health
1
Trauma
1
Non communicable diseases
1
Statistical Tests
1
General Management of Wounds
1
Mycology
1
Physiology
1
Infection
1
Demography and family planning
1
Frequently asked questions
What population-interaction examples does NEET test most?
Specific real-world examples of mutualism (e.g. lichens, mycorrhiza), commensalism (e.g. orchids on trees), and parasitism are commonly asked alongside their formal definitions.
Are population growth curves (J-shaped vs S-shaped) tested?
Yes — identifying exponential vs logistic growth from a graph, and the role of carrying capacity in the logistic model, is a recurring question type.
Is Gause's competitive exclusion principle commonly asked?
Yes, as a direct factual/definitional question — it is one of the named principles NEET tests verbatim from this chapter.