Class 11 — Biology

Q1
NEET 2018Chapter 2- Biological classification

Which of the following organisms are known as chief producers in the oceans?

Q2
NEET 2018Chapter 2- Biological classification

Which among the following is not a prokaryote?

Q3
NEET 2018Chapter 2- Biological classification

Ciliates differ from all other protozoans in

Q4
NEET 2018Chapter 2- Biological classification

Select the wrong statement.

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Q1
NEET 2018Chapter 6- ANATOMY OF FLOWERING PLANTS

Stomata in grass leaf are: ()

Q2
NEET 2018Chapter 6- ANATOMY OF FLOWERING PLANTS

Casparian strips occur in: ()

Q3
NEET 2018Chapter 6- ANATOMY OF FLOWERING PLANTS

Secondary xylem and phloem in dicot stem are produced by: ()

Q4
NEET 2018Chapter 6- ANATOMY OF FLOWERING PLANTS

Plants having little or no secondary growth are: ()

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Q1
NEET 2018Chapter 4- Animal Kingdom

Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system. NEET Year:

Q2
NEET 2018Chapter 4- Animal Kingdom

Which one of these animals is not a homeotherm? NEET Year:

Q3
NEET 2018Chapter 4- Animal Kingdom

Which of the following animals does not undergo metamorphosis? NEET Year:

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Q1
NEET 2018Chapter 8- Cell: The Unit of Life

Which of the following events does not occur in rough endoplasmic reticulum? ()

Q2
NEET 2018Chapter 8- Cell: The Unit of Life

The Golgi complex participates in: ()

Q3
NEET 2018Chapter 8- Cell: The Unit of Life

Which of the following is true for the nucleolus?

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Q1
NEET 2018Chapter 18- NEURAL CONTROL AND COORDINATION

[] Nissl bodies are mainly composed of:

Q2
NEET 2018Chapter 18- NEURAL CONTROL AND COORDINATION

[] Which structure is incorrectly paired with its function?

Q3
NEET 2018Chapter 18- NEURAL CONTROL AND COORDINATION

[] The transparent lens in the human eye is held in place by:

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Class 12 — Biology

Q1
NEET 2018Chapter 5- Molecular Basis of Inheritance

Select the correct match: ()

Q2
NEET 2018Chapter 5- Molecular Basis of Inheritance

Semi-conservative DNA replication was first shown in a: ()

Q3
NEET 2018Chapter 5- Molecular Basis of Inheritance

All of the following are parts of an operon, except: ()

Q4
NEET 2018Chapter 5- Molecular Basis of Inheritance

Many ribosomes associated with a single mRNA form: ()

Q5
NEET 2018Chapter 5- Molecular Basis of Inheritance

Select the correct statement: ()

Q6
NEET 2018Chapter 5- Molecular Basis of Inheritance

AGGTATCGCAT is a sequence from coding strand. What will be the transcribed mRNA? ()

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Q1
NEET 2018Chapter 2- HUMAN REPRODUCTION

[] Hormones secreted by the placenta to maintain pregnancy are:

Q2
NEET 2018Chapter 2- HUMAN REPRODUCTION

[] Match List I with List II: Column I A. Proliferative phase B. Secretory phase C. Menstruation Column II (i) Breakdown of endometrial lining (ii) Follicular phase (iii) Luteal phase

Q3
NEET 2018Chapter 2- HUMAN REPRODUCTION

[] The difference between spermiogenesis and spermiation is:

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Q1
NEET 2018Chapter 4- PRINCIPLES OF INHERITANCE AND VARIATION

Which of the following characteristics represent ‘inheritance of blood groups’ in humans? () (i) Dominance (ii) Co-dominance (iii) Multiple allele (iv) Incomplete dominance (v) Polygenic inheritance

Q2
NEET 2018Chapter 4- PRINCIPLES OF INHERITANCE AND VARIATION

A woman has an X-linked condition on one of her X chromosomes. This chromosome can be inherited by: ()

Q3
NEET 2018Chapter 4- PRINCIPLES OF INHERITANCE AND VARIATION

Which of the following pairs is wrongly matched? ()

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Q1
NEET 2018Chapter 6- Evolution

According to Hugo de Vries, the mechanism of evolution is: ()

Q2
NEET 2018Chapter 6- Evolution

The similarity of bone structure in the forelimbs of many vertebrates is an example of: ()

Q3
NEET 2018Chapter 6- Evolution

Among the following sets of examples for divergent evolution, select the incorrect option. ()

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+29 more questions from 17 chapters

Unlock all NEET 2018 Biology PYQs with detailed NCERT explanations in the MedicNEET app.

Human health and disease3 Qs
BIOTECHNOLOGY AND ITS APPLICATION3 Qs
ORGANISMS AND POPULATIONS3 Qs
Plant kingdom2 Qs
Morphology of Flowering Plants2 Qs
RESPIRATION IN PLANTS2 Qs
BODY FLUIDS N CIRCULATION2 Qs
EXCRETORY PRODUCTS AND THEIR ELIMINATION2 Qs
SEXUAL REPRODUCTION IN FLOWERING PLANTS2 Qs
CELL CYCLE AND CELL DIVISION1 Qs
Biomolecules1 Qs
PHOTOSYNTHESIS IN HIGHER PLANTS1 Qs
BREATHING N GASEOUS EXCHANGE1 Qs
Microbes in human welfare1 Qs
Biotechnology: Principles and processes1 Qs
ECOSYSTEM1 Qs
BIODIVERSITY AND CONSERVATION1 Qs
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NEET 2018 Biology — PYQ Analysis

This page contains 61 real Biology questions from the NEET 2018 exam, organized chapter-wise across 26 chapters. Every question is from the actual NEET 2018 paper — not model questions or predictions.

Solving year-wise PYQs helps you understand how NTA's question pattern evolves. Compare with NEET 2015 and NEET 2016 and NEET 2017 and NEET 2019 and NEET 2020 and NEET 2021 and NEET 2022 and NEET 2023 and NEET 2024 and NEET 2025 to spot trends. For chapter-wise practice, visit the main PYQ index.