205
MCQ Questions
40
Assertion-Reason
53
NEET 2025 Pattern
19
Previous Year Q
NCERT Mapping
Biological classification is from NCERT Class 11 Biology, Chapter 2, under the unit Diversity in the Living World. This chapter carries approximately 3% weightage in NEET, based on analysis of the last 10 years of question papers. MedicNEET covers this chapter with 298 questions — every question built from line-by-line NCERT analysis.
Topics in Biological classification
Sample Questions — Biological classification
Try 5 free questions below. Get all 298 in the MedicNEET app.
MCQ
Which of the following protozoans move and capture prey by putting out pseudopodia?
✅ Correct Answer: A
Amoeba and related forms move using pseudopodia.
MCQ
Which of the following structures is absent in bacterial cells?
✅ Correct Answer: D
Bacteria are prokaryotic and lack a membrane-bound nucleus.
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MCQ
The Five Kingdom classification was based on which of the following criteria?
✅ Correct Answer: B
The Five Kingdom classification was based on cell structure, body organization, mode of nutrition, reproduction and phylogenetic relationships.
Assertion-Reason
Assertion (A): Ciliated protozoans have specialized structures for food intake.
Reason (R): They have an internal cavity without any opening to the cell surface for food collection.
✅ Correct Answer: C
NCERT confirms ciliated protozoans have specialized feeding structures (Assertion true). However, NCERT states “They have a cavity (gullet) that opens to the outside of the cell surface.” The Reason incorrectly describes the gullet as an internal cavity without opening when NCERT clearly states it opens to the cell surface. This structural misrepresentation creates a plausible false statement about protozoan feeding anatomy.
MCQ
Consider the following statements about cell walls in different organisms:
1. In Mucor, the cell wall is composed of chitin and polysaccharides.
2. In Nostoc, the cell wall is cellulosic, similar to that of higher plants.
3. In Spirogyra, the cell wall is cellulosic.
4. In Anabaena, the cell wall is non-cellulosic, made of polysaccharides and amino acids.
5. In Mycoplasma, the cell wall is completely absent.
Which of the above statements are correct?
✅ Correct Answer: D
Statement 1 – Correct: Mucor is a fungus (Phycomycete); cell wall contains chitin + polysaccharides.
Statement 2 – Incorrect: Nostoc is a cyanobacterium (prokaryote); its wall is peptidoglycan (non-cellulosic), not like plants.
Statement 3 – Correct: Spirogyra is a green alga; its wall is cellulosic.
Statement 4 – Correct: Anabaena is a cyanobacterium; archaebacterial relatives have non-cellulosic walls made of polysaccharides + amino acids.
Statement 5 – Correct: Mycoplasma → wall-less prokaryotes, smallest known living cells.
Thus, correct = 1, 3, 4, 5
Practice All 298 Questions from Biological classification
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Frequently Asked Questions
How many Biological classification questions does MedicNEET have?
MedicNEET has 298 questions for Biological classification, including 205 MCQs, 40 Assertion-Reason questions, and 53 NEET 2025-style long-form questions.
What is the NEET weightage of Biological classification?
Biological classification carries approximately 3% weightage in NEET, based on analysis of the last 10 years of papers. It falls under the Diversity in the Living World unit of Class 11 Biology.
Are Biological classification questions NCERT-based?
Yes, all MedicNEET Biological classification questions are built from line-by-line analysis of NCERT Class 11 textbook. Every question maps to specific NCERT pages and concepts.