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NEET Mock Test 19: Full-Length 180-Question Paper with All-India Rank

A full-length NEET mock in the real pattern: 90 Biology, 45 Physics and 45 Chemistry questions, +4 for a correct answer and −1 for a wrong one. Mock 19 is the same paper for every student, so your rank is among everyone who sat it. Difficulty: 36% easy, 58% medium, 6% hard.

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What is in Mock 19

These are the chapters that carry the most questions in this mock. Click a chapter for practice questions on it.

Sample questions from Mock 19 with answers

10 of the 180 questions, with answers and explanations. The rest are in the app.

Question 1

Biology · Biological Classification

Kingdom Protista includes organisms that are:

  1. A exclusively multicellular and photosynthetic
  2. B unicellular eukaryotes with diverse modes of nutrition
  3. C exclusively prokaryotic
  4. D exclusively parasitic

Answer: B. unicellular eukaryotes with diverse modes of nutrition

Why: Kingdom Protista is a diverse group of unicellular eukaryotic organisms with varied modes of nutrition (photosynthetic, heterotrophic, or both), acting as a boundary kingdom.

Question 2

Biology · Plant Kingdom

The zygote in the bryophytes develops into a:

  1. A gametophyte
  2. B a protonema
  3. C sporophyte, which is differentiated into a foot, a seta and a capsule
  4. D the gemma

Answer: C. sporophyte, which is differentiated into a foot, a seta and a capsule

Why: The spores are produced in the capsule after meiosis.

Question 3

Biology · Structural Organisation in Animals

Tight junctions in epithelial tissue:

  1. A prevent leakage of substances across the tissue
  2. B make the cells contract
  3. C allow rapid exchange of ions between cells
  4. D hold cells in a sheet like a rivet

Answer: A. prevent leakage of substances across the tissue

Why: Gap junctions allow communication between neighbouring cells, and adhering junctions give mechanical attachment.

Question 4

Biology · Reproductive Health

The use of amniocentesis for sex determination of the foetus is banned because it:

  1. A is very costly
  2. B may lead to female foeticide, and to a decline in the sex ratio
  3. C can harm the mother
  4. D is not accurate

Answer: B. may lead to female foeticide, and to a decline in the sex ratio

Why: A statutory ban was enforced in 2000.

Question 5

Biology · Anatomy of Flowering Plants

The vascular bundles in the roots are:

  1. A scattered
  2. B collateral and open
  3. C radial, with the xylem and phloem on the different radii
  4. D conjoint

Answer: C. radial, with the xylem and phloem on the different radii

Why: There are usually 2–6 xylem bundles in the dicot roots (diarch to hexarch).

Question 6

Physics · Alternating Current

The period of the mains AC of frequency 50 Hz is:

  1. A 0.05 s
  2. B 0.5 s
  3. C 0.2 s
  4. D 0.02 s

Answer: D. 0.02 s

Why: T = 1/f = 1/50 = 0.02 s.

Question 7

Physics · Ray Optics and Optical Instruments

Stars appear to twinkle because of:

  1. A the actual change in the star's brightness
  2. B reflection from the Moon
  3. C absorption by the ozone layer
  4. D the changing refraction of starlight in the Earth's atmosphere

Answer: D. the changing refraction of starlight in the Earth's atmosphere

Why: The atmosphere's refractive index fluctuates, so the apparent position and brightness vary slightly.

Question 8

Chemistry · Environmental Chemistry

Depletion of stratospheric ozone is caused mainly by:

  1. A carbon dioxide
  2. B chlorofluorocarbons releasing chlorine free radicals
  3. C sulphur dioxide
  4. D methane

Answer: B. chlorofluorocarbons releasing chlorine free radicals

Why: UV light splits CFCs to give chlorine radicals, each of which destroys many ozone molecules in a catalytic chain before being removed.

Question 9

Chemistry · Chemical Bonding

The formal charge on the nitrogen atom in NH₄⁺ is:

  1. A −1
  2. B +3
  3. C +1
  4. D 0

Answer: C. +1

Why: Formal charge = 5 − 0 − (1/2)(8) = +1.

Question 10

Chemistry · p-Block Elements

Ozone (O₃) is:

  1. A a reducing agent only
  2. B a bent molecule, and a strong oxidising agent
  3. C a linear molecule
  4. D a molecule of three double bonds

Answer: B. a bent molecule, and a strong oxidising agent

Why: It oxidises KI to iodine and is a diamagnetic allotrope of oxygen.

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Frequently asked questions

How many questions are in NEET Mock Test 19?

It has 180 questions in the NEET pattern: 90 in Biology (Botany and Zoology), 45 in Physics and 45 in Chemistry. Each correct answer earns 4 marks and each wrong answer loses 1.

Is NEET Mock Test 19 the same for every student?

Yes. Mock 19 is one fixed paper, the same for everyone, so every student who sits it is ranked on the same list. Your All-India rank for this mock appears after you submit it.

Is NEET Mock Test 19 free?

This page shows a free sample of the questions. The full mock and its All-India rank are part of NeetVictory Pro.

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