# Important Questions for NEET 2024 Exam | Subject-wise Free PDF Download

To enrol in undergraduate medical programs, candidates must clear the National Eligibility and Entrance Test, or NEET. A single syllabus drawn from the NCERT curriculum for Classes 11 and 12 are used in the NEET examination. To get admitted to a medical college based on their scores, aspiring doctors must take the NEET 2024 examination.

Candidates should thoroughly familiarise themselves with the NEET questions because poor preparation frequently results in test difficulties. To improve your acquaintance with the question paper, go over the syllabus in its entirety, making note of the chapters that are covered in each topic. To help candidates for NEET 2024 prepare and perform better in the next tests, this page attempts to offer a selection of important questions and answers.

## NEET 2024: Subject-wise Questions

### Physics

Ques 1.  Two blocks A and B of masses 3 m and m respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in the figure. The magnitudes of acceleration of A and B immediately after the string is cut, are respectively:

1. g, g/3
2. g/3, g
3. g, g
4. g/3, g/3

Ans: b) g/3, g

Ques 2.  A monkey of mass 20 kg is holding a vertical rope. The rope will not break when a mass of 25 kg is suspended from it but will break if the mass exceeds 25 kg. What is the maximum acceleration the monkey can climb up along the rope? (g = 10 m/s2):

1. 5 m/s2
2. 10 m/s2
3. 25 m/s2
4. 2.5 m/s2

Ans: d) 2.5 m/s2

Ques 3.  A monkey of mass 20 kg is holding a vertical rope. The rope will not break when a mass of 25 kg is suspended from it but will break if the mass exceeds 25 kg. What is the maximum acceleration the monkey can climb up along the rope? (g = 10 m/s2):

1. 5 m/s2
2. 10 m/s2
3. 25 m/s2
4. 2.5 m/s2

Ans: d) 2.5 m/s2

Ques 4. A block of mass m is placed on a smooth wedge of inclination θ. The whole system is accelerated horizontally so the block does not slip on the wedge. The force exerted by the wedge on the block will be (g is the acceleration due to gravity):

1. mg cosθ
2. mg sinθ
3. mg
4. mg/cosθ

Ans: d) mg/cosθ

### Chemistry

Ques 1.  The entropy change in the fusion of one mole of a solid melting at 27oC (the latent heat of fusion is 2930 J mol–1) is

1. 9.77 J K–1 mol–1
2. 10.73 J K–1 mol–1
3. 2930 J K–1 mol–1
4. 108.5 J K–1 mol–1

Ans: a)9.77 J K–1 mol–1

Ques 2.  Three moles of an ideal gas expanded spontaneously into a vacuum. The work done will be:

1. infinite
2. 3 J
3. 9.3 J
4. zero

Ans: d)zero

Ques 3.  Identify the correct statement regarding entropy.

1. At absolute zero temperature, the entropy of a perfectly crystalline substance is taken to be zero.
2. At absolute zero temperature, the entropy of a perfectly crystalline substance is positive.
3. At absolute zero temperature, the entropy of all crystalline substances is to be zero.
4. At 0oC, the entropy of a perfectly crystalline substance is taken to be zero.

Ans: a)At absolute zero temperature, the entropy of a perfectly crystalline substance is taken to be zero.

Ques 4. A block of mass m is placed on a smooth wedge of inclination θ. The whole system is accelerated horizontally so the block does not slip on the wedge. The force exerted by the wedge on the block will be (g is the acceleration due to gravity):

1. mg cosθ
2. mg sinθ
3. mg
4. mg/cosθ

Ans: d) mg/cosθ

Ques 5. In which of the following molecules all the bonds are not equal?

1. NF3
2. ClF3
3. BF3
4. AlF3

Ans: b) ClF3

Ques 6. Which one of the following compounds shows the presence of an intramolecular hydrogen bond?

1. H2O2
2. HCN
3. Cellulose
4. Concentrated acetic acid

Ans: c) Cellulose

Ques 7. Among the following, which one is a wrong statement?

1. PH5 and BiCl5 do not exist.
2. pπ-dπ bonds are present in SO2.
3. SeF4 and CH4 have the same shape.
4. I3+ has bent geometry.

Ans: c)SeF4 and CH4 have the same shape.

Ques 8. Which one of the following conditions will favour the maximum formation of the product in the reaction?

A2(g) + B2(g)⇌ X2(g),

ΔH = –X kJ

1. Low temperature and high pressure
2. Low temperature and low pressure
3. High temperature and high pressure
4. High temperature and low-pressure

Ans: a)Low temperature and high pressure.

Ques 9. What mass of 95% pure CaCO3 will be required to neutralise 50 mL of 0.5 M HCl solution according to the following reaction?

CaCO3(s) + 2HCl(aq) → CaCl2(aq) + CO2(g) + 2H2O(l)

(Calculate up to the second place of the decimal point)

1. 1.25 g
2. 1.32 g
3. 3.65 g
4. 9.50 g

Ans: b)1.32 g

Ques 10. In one molal solution that contains 0.5 moles of a solute, there is

1. 500 mL of solvent
2. 500 g of solvent
3. 100 mL of solvent
4. 1000 g of solvent

Ans: b)500 g of solvent

Ques 11. If the radius of the second Bohr orbit of the He+ ion is 105.8 pm, what is the radius of the third Bohr orbit of the Li2+ ion?

1. 158.7 pm
2. 15.87 pm
3. 1.587 pm
4. 158.7 Å

Ans: a)158.7 pm

Ques 12. Identify the incorrect statement from the following.

1. All five 5d orbitals are different in size when compared to the respective 4d orbitals.
2. All the five 4d orbitals have shapes similar to the respective 3d orbitals
3. In an atom, all the five 3d orbitals are equal in energy in the free state.
4. The shapes of dxy, dy, and dzx orbitals are similar to each other; and dx2-y2 and dz2 are similar to each other.

Ans: d)The shapes of dxy, dy, and dzx orbitals are similar to each other; and dx2-y2 and dz2 are similar to each other.

Ques 13 Identify the incorrect match.

Name IUPAC official name
a) Unnilunium i) Mendelevium
b) Ununtrium ii) Lawrencium
c) Unnilhexium iii) Seaborgium
1. (b) – (ii)
2. (c) – (iii)
3. (d) – (iv)
4. (a) – (i)

Ans: c)(d) – (iv)

Ques 14. In which of the following options, the order of arrangement does not agree with the variation of property indicated against it?

1. B < C < N < O (increasing first ionisation enthalpy)
2. I < Br < Cl < F (increasing electron gain enthalpy)
3. Li < Na < K < Rb (increasing metallic radius)
4. Al3+ < Mg2+ < Na+ < F (increasing ionic size)

Ans: Statements (C) and (D) are correct.

Ques 15. The potential energy (y) curve for H2 formation as a function of the internuclear distance (x) of the H-atoms is shown below.

The bond energy of H2 is

1. (b – a)
2. (c – a)/2
3. (b – a)/2
4. (c – a)

Ans: c)(b – a)

Ques 16. The reversible expansion of an ideal gas under isothermal and adiabatic conditions are shown in the figure.

AB → Isothermal expansion

Which of the following options is not correct?

2. TA = TS
4. TC > TA

Ans: d)TC > TA

Ques 17.  Boric acid is an acid because its molecule:

1. contains replaceable H+ ion
2. gives up a proton
3. accepts OH from water releasing proton
4. combines with a proton from water molecule

Ans: c)accepts OH from water releasing proton

Ques 18.  What is the change in the oxidation number of carbon in the following reaction?CH4(g) + 4Cl2(g) → CCl4(l) + 4HCl(g)

1. 0 to + 4
2. – 4 to + 4
3. 0 to – 4
4. + 4 to + 4

Ans: a)0 to + 4

### ‍Zoology

Ques 1.  Which is the second largest phylum?

1. Phylum Annelida
2. Phylum Echinodermata
3. Phylum Mollusca
4. Phylum Arthropoda

Ans: c)Phylum Mollusca

Ques 2.  Choose the odd one out based on coelom: Annelids, Molluscs, Platyhelminthes, Arthropods

1. Platyhelminthes
2. Arthropods
3. Annelids
4. Molluscs

Ans: a)Platyhelminthes

Ques 3.  Which one of the following characteristics is not shared by birds and mammals?

1. Viviparity
2. Ossified endoskeleton
3. Warm Blooded
4. Molluscs

Ans: a)Platyhelminthes

Ques 4.  Which one of the following characteristics is not shared by birds and mammals?

1. Viviparity
2. Ossified endoskeleton
3. Warm Blooded
4. Molluscs

Ans: a)Platyhelminthes

### ‍Botany

Ques 1.  In which of the following gametophytes is not independent free living?

1. Pteris
2. Marchantia
3. Pinus
4. Funaria

Ans: c) Pinus         //Hint: sporophyte

Ques 2. Which of the following are valid pointers for the demerits of the two-kingdom classification proposed by Linnaeus?

1. Chalamidomanas are autotrophic but have flagella
2. Slime moulds resemble animals in one phase of their life cycle and plants in the other phase.
3. Euglena has features of both plants and animals.
1. I, II, and III
2. I and III
3. II and III
4. I and II

Ans: a) I, II, and III

Ques 3. Indigofera, Sesbania, Salvia, Allium, Aloe, Mustard, radishes, chickpeas, and turnips have stamens of ______ different lengths of the flower.

1. Four
2. Three
3. Six
4. Three

Ans: c) Six

Ques 4. Plants growing in swamps have roots that grow vertically upwards like conical spikes and have aerating pores. Such roots are called

1. pneumatophores
2. mycorrhizal
3. conical
4. assimilatory

Ans: c) Six

Ques 5. What kind of media do certain bacteria need to grow on to make biogas?

1. Lignin
2. Cellulose
3. Chitin
4. Cheese

Ans: b) Cellulose

Ques 6. What kind of media do certain bacteria need to grow on to make biogas?

1. Lignin
2. Cellulose
3. Chitin
4. Cheese

Ans: b) Cellulose

## ‍Why Practising NEET UG 2024 Important Questions is Important?

For a multitude of reasons, practising NEET UG 2024 important questions is essential, especially considering that you wish to enrol in an MBBS or MDS program via NEET (National Eligibility cum Entrance Test), for undergraduate medical programs.

• Finding Important Topics

High-yield topics have a greater probability of having questions in the exam. By concentrating on these areas, aspirants can significantly boost their exam preparation.

• Concept Clarity

Regular practising questions can strengthen the concept foundation. This procedure strengthens your foundation of knowledge and improves the ability to use these ideas to solve problems.

• Self-Evaluation

Aspirants may evaluate their skills and shortcomings by practising important questions. By recognizing your areas of constant difficulty, they may modify their preparation strategy to focus on those areas in need of improvement.

• Experience with Various Question Formats

Questions from NEET UG may come in distinct formats. Regular practice of important questions introduces aspirants to various question forms and improves their ability to handle a wide range of problems during the exam.

## ‍How to Prepare Important Questions for NEET UG 2024?

Preparing important questions for NEET UG 2024 requires an orderly and deliberate strategy. The following are some strategies you may take to determine and get ready for crucial questions:

• Recognize the Syllabus

Get familiar with the curriculum for NEET UG 2024. Decide which chapters and important subjects are tested most frequently. This serves as the foundation for choosing significant questions.

• Go Through the Papers from Past Years

You may acquire insight into common patterns and the distribution of questions across various disciplines by going over NEET's previous years' question papers. Find the trends and concentrate on subjects that keep coming up.

• Participate in Study Groups

Take part in NEET UG study groups, where students converse about relevant subjects while exchanging perspectives. You may find questions that are difficult or that people ask a lot by working together in these groups

• Emphasis on Topics with Significant Weight

Sort the topics that have more weight in the NEET UG test by priority. Important questions are more likely to arise on these subjects. Give these sections additional time to get right.