Major Competitive Exams

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Major Competitive Exams

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Major Competitive Exams MCQ & Objective Questions

Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.

What You Will Practise Here

Key concepts and theories related to major subjects
Important formulas and their applications
Definitions of critical terms and terminologies
Diagrams and illustrations to enhance understanding
Practice questions that mirror actual exam patterns
Strategies for solving objective questions efficiently
Time management techniques for competitive exams

Exam Relevance

The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.

Common Mistakes Students Make

Rushing through questions without reading them carefully
Overlooking the negative marking scheme in MCQs
Confusing similar concepts or terms
Neglecting to review previous years’ question papers
Failing to manage time effectively during the exam

FAQs

Question: How can I improve my performance in Major Competitive Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Question: What types of questions should I focus on for these exams?
Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.

Question: Are there specific strategies for tackling objective questions?
Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.

Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!

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Q. Which of the following is a property of a parallelogram? (2023)

A. All sides are equal.
B. Opposite sides are equal and parallel.
C. All angles are right angles.
D. It has exactly one pair of parallel sides.

Solution

In a parallelogram, opposite sides are equal and parallel, which is a defining property.

Correct Answer: B — Opposite sides are equal and parallel.

Q. Which of the following is a property of actinides? (2020)

A. All are radioactive
B. All are non-metals
C. All are stable
D. All are found in nature

Solution

All actinides are radioactive, with many being synthetic and unstable.

Correct Answer: A — All are radioactive

Q. Which of the following is a property of addition polymers? (2022)

A. They are formed by the elimination of small molecules
B. They have a high degree of crystallinity
C. They are formed from unsaturated monomers
D. They are always biodegradable

Solution

Addition polymers are formed from unsaturated monomers through addition reactions.

Correct Answer: C — They are formed from unsaturated monomers

Q. Which of the following is a property of aldehydes? (2023)

A. They are generally more reactive than ketones
B. They do not undergo oxidation
C. They are less soluble in water than ketones
D. They have higher boiling points than alcohols

Solution

Aldehydes are generally more reactive than ketones due to the presence of the hydrogen atom attached to the carbonyl carbon.

Correct Answer: A — They are generally more reactive than ketones

Q. Which of the following is a property of alkali metals?

A. They are good conductors of electricity
B. They are non-metals
C. They have high electronegativity
D. They are found in nature as free elements

Solution

Alkali metals are good conductors of electricity due to their free-moving electrons.

Correct Answer: A — They are good conductors of electricity

Q. Which of the following is a property of alkaline earth metals?

A. They are highly reactive with water
B. They have a higher density than alkali metals
C. They form acidic oxides
D. They have a full outer shell

Solution

Alkaline earth metals have a higher density than alkali metals.

Correct Answer: B — They have a higher density than alkali metals

Q. Which of the following is a property of alkanes?

A. They are polar
B. They are soluble in water
C. They are non-polar
D. They have high reactivity

Solution

Alkanes are non-polar molecules and are generally insoluble in water.

Correct Answer: C — They are non-polar

Q. Which of the following is a property of alkenes?

A. Saturated
B. Unsaturated
C. Non-polar
D. Inert

Solution

Alkenes are unsaturated hydrocarbons due to the presence of at least one double bond.

Correct Answer: B — Unsaturated

Q. Which of the following is a property of alkynes?

A. They are saturated
B. They contain a triple bond
C. They are less reactive than alkenes
D. They have the formula CnH2n

Solution

Alkynes contain at least one triple bond between carbon atoms.

Correct Answer: B — They contain a triple bond

Q. Which of the following is a property of all polygons?

A. They all have equal angles.
B. They are all closed figures.
C. They all have equal sides.
D. They all can be inscribed in a circle.

Solution

All polygons are defined as closed figures formed by a finite number of line segments.

Correct Answer: B — They are all closed figures.

Q. Which of the following is a property of all regular polygons? (2023)

A. All sides are of different lengths.
B. All interior angles are equal.
C. They can have any number of sides.
D. They are always convex.

Solution

In a regular polygon, all sides and all interior angles are equal.

Correct Answer: B — All interior angles are equal.

Q. Which of the following is a property of amorphous solids? (2023)

A. Anisotropic
B. Isotropic
C. Definite melting point
D. Ordered structure

Solution

Amorphous solids are isotropic, meaning their properties are the same in all directions, unlike crystalline solids.

Correct Answer: B — Isotropic

Q. Which of the following is a property of an identity matrix? (2019)

A. It is always square
B. It has all elements as 1
C. It is always a zero matrix
D. It has a determinant of 0

Solution

An identity matrix is always square and has 1s on the diagonal and 0s elsewhere.

Correct Answer: A — It is always square

Q. Which of the following is a property of an isosceles triangle?

A. All sides are equal.
B. Two sides are equal.
C. It has one right angle.
D. It has no equal sides.

Solution

An isosceles triangle is defined as having at least two sides that are equal in length.

Correct Answer: B — Two sides are equal.

Q. Which of the following is a property of aromatic compounds?

A. High reactivity
B. Planar structure
C. Non-polar nature
D. All of the above

Solution

Aromatic compounds are characterized by a planar structure and exhibit unique stability due to resonance, but they are generally less reactive than alkenes.

Correct Answer: B — Planar structure

Q. Which of the following is a property of aromatic hydrocarbons?

A. They are always saturated
B. They have a pleasant smell
C. They contain a benzene ring
D. They are non-polar

Solution

Aromatic hydrocarbons contain a benzene ring.

Correct Answer: C — They contain a benzene ring

Q. Which of the following is a property of bases? (2023)

A. Sour taste
B. Bitter taste
C. Reacts with metals to produce hydrogen
D. Turns blue litmus red

Solution

Bases have a bitter taste and turn red litmus paper blue, while acids do the opposite.

Correct Answer: B — Bitter taste

Q. Which of the following is a property of carboxylic acids?

A. They are basic
B. They have high boiling points
C. They are insoluble in water
D. They do not form hydrogen bonds

Solution

Carboxylic acids have high boiling points due to hydrogen bonding.

Correct Answer: B — They have high boiling points

Q. Which of the following is a property of covalent network solids? (2023)

A. Good electrical conductors
B. High melting points
C. Malleable
D. Soluble in water

Solution

Covalent network solids, such as diamond, have very high melting points due to the strong covalent bonds throughout the structure.

Correct Answer: B — High melting points

Q. Which of the following is a property of cycloalkanes?

A. They are always aromatic
B. They have a ring structure
C. They are unsaturated
D. They contain only single bonds

Solution

Cycloalkanes have a ring structure and can be saturated or unsaturated depending on the number of hydrogen atoms.

Correct Answer: B — They have a ring structure

Q. Which of the following is a property of diatomic hydrogen (H2)?

A. It is a liquid at room temperature
B. It is highly flammable
C. It has a high density
D. It is a good conductor of electricity

Solution

Diatomic hydrogen (H2) is highly flammable and can easily ignite in the presence of oxygen.

Correct Answer: B — It is highly flammable

Q. Which of the following is a property of elastomers?

A. Brittle
B. Rigid
C. Elastic
D. Insoluble

Solution

Elastomers are known for their elastic properties, allowing them to stretch and return to their original shape.

Correct Answer: C — Elastic

Q. Which of the following is a property of electric field lines? (2023)

A. They can be broken
B. They can be created
C. They can be destroyed
D. They cannot intersect

Solution

Electric field lines cannot intersect because it would imply two different directions of the electric field at a point.

Correct Answer: D — They cannot intersect

Q. Which of the following is a property of ethers? (2020)

A. High boiling point
B. Soluble in water
C. Flammable
D. Non-polar

Solution

Ethers are generally flammable due to their hydrocarbon nature, although they have moderate boiling points.

Correct Answer: C — Flammable

Q. Which of the following is a property of fluids?

A. Incompressibility
B. Elasticity
C. Brittleness
D. Ductility

Solution

Fluids are often considered incompressible for practical purposes, especially in hydrodynamics.

Correct Answer: A — Incompressibility

Q. Which of the following is a property of group 13 elements?

A. Form anions
B. Form covalent compounds
C. High ionization energy
D. High electronegativity

Solution

Group 13 elements typically form covalent compounds due to their electron configuration.

Correct Answer: B — Form covalent compounds

Q. Which of the following is a property of group 14 elements?

A. Forming ionic bonds
B. Forming covalent bonds
C. High reactivity
D. Low melting points

Solution

Group 14 elements typically form covalent bonds due to their tetravalent nature.

Correct Answer: B — Forming covalent bonds

Q. Which of the following is a property of group 14 p-block elements?

A. Forming ionic bonds
B. Forming covalent bonds
C. High electronegativity
D. Low melting points

Solution

Group 14 p-block elements typically form covalent bonds due to their valence electron configuration.

Correct Answer: B — Forming covalent bonds

Q. Which of the following is a property of group 15 elements?

A. Forming diatomic molecules
B. High ionization energies
C. Forming ionic bonds
D. Exist in multiple allotropes

Solution

Group 15 elements, such as phosphorus, exist in multiple allotropes.

Correct Answer: D — Exist in multiple allotropes

Q. Which of the following is a property of group 17 elements?

A. They are all gases
B. They are all metals
C. They are highly electronegative
D. They have low ionization energies

Solution

Group 17 elements, also known as halogens, are highly electronegative.

Correct Answer: C — They are highly electronegative

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