Class 12 · Organisms and Populations

Parasitism & Host-Parasite Relationships — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

Parasitism: Considering that the parasitic mode of life ensures free lodging and meals, it is not surprising that parasitism has

NCERT Biology · Class 12 · Chapter 11 · Paragraph 49
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

Practice This Concept
QuestionPredicted for NEET 2027

[NEET 2024] Given below are two statements: Statement I: Gause’s ‘Competitive Exclusion Principle’ states that two closely related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually. Statement II: In general, carnivores are more adversely affected by competition than herbivores. In the light of the above statements, choose the correct answer from the options given below:

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: C Statement I is correct Statement II is false

Statement I is a direct quote from Gause’s principle based on experimental studies. Statement II is incorrect. The NCERT clearly mentions that "competition is generally more severe among herbivores".

❓ Frequently Asked Questions
What does NCERT say about Parasitism Considering that parasitic?
Parasitism: Considering that the parasitic mode of life ensures free lodging and meals, it is not surprising that parasitism has
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Organisms and Populations, Class 12 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
Related Concepts from Organisms and Populations
📘Practice all 37 NEET PYQs from Organisms and Populations🔍See full Organisms and Populations PYQ Analysis