Class 12 · Botany

Organisms and Populations

19 topics — from Introduction to Ecology through Population Interactions: Coevolution. Expect about 2 questions in NEET — roughly 8 of 720 marks.

Updated 25 Aug 2026 19 topics Botany · Class 12
In short

Organisms and Populations is a Class 12 Botany chapter covering 19 topics. Expect about 2 questions in NEET — roughly 8 of 720 marks.

19
Topics
In this chapter
2
Expected questions
≈ 8 of 720 marks
12
Class
Botany
97
Chapters in the syllabus
22 in Botany

Topics covered #

19 topics, in teaching order.

  1. Introduction to Ecology
  2. Introduction to the Chapter
  3. Abiotic Factors: Temperature
  4. Abiotic Factors: Light & Water
  5. Response of Organisms to Abiotic Factors
  6. Adaptations
  7. Population Characters: Density
  8. Population Characters: Natality & Mortality
  9. Population Characters: Age Structure & Migration
  10. Population Dynamic
  11. Population: Exponential Growth Model
  12. Population: Logistic Growth Model
  13. Life History Variations
  14. Population Interactions: Competition
  15. Population Interactions: Predation
  16. Population Interactions: Parasitism
  17. Population Interactions: Amensalism
  18. Population Interactions: Commensalism, Protocooperation & Mutualism
  19. Population Interactions: Coevolution

Weightage #

Expect about 2 questions in NEET — roughly 8 of 720 marks.

2 of 180 questions · 8 of 720 marks
This chapter's share of the paper. Weightage is indicative — it reflects how many questions have typically come from here, not a guarantee for any single year.

Practise this chapter #

Reading it once is not the same as being able to answer it under time.

Practice questionsChapter-wise MCQs with solutions Video lecturesTopic-by-topic walkthroughs Chapter testExam-format, timed NEET previous-year questionsPast questions from this chapter AIIMS previous-year questionsOlder AIIMS papers, same syllabus

Next in Botany

← PreviousMicrobes in Human Welfare

Frequently asked #

How many questions come from Organisms and Populations in NEET?
About 2 questions — roughly 8 of the 720 marks available. It is a Class 12 Botany chapter.
What topics does this chapter cover?
19 topics — from Introduction to Ecology through Population Interactions: Coevolution. The full list is above.
Where can I practise Organisms and Populations?
Chapter-wise MCQs, video lectures, a timed chapter test, and both NEET and AIIMS previous-year questions — all linked above.