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 NOT a characteristic of living organisms? (2020)

A. Growth
B. Reproduction
C. Movement
D. Inertia

Solution

Inertia is not a characteristic of living organisms; they exhibit growth, reproduction, and movement.

Correct Answer: D — Inertia

Q. Which of the following is NOT a characteristic of multiples?

A. They are always greater than or equal to the original number.
B. They can be negative.
C. They are always odd.
D. They can be zero.

Solution

Multiples can be both odd and even; hence, they are not always odd.

Correct Answer: C — They are always odd.

Q. Which of the following is not a characteristic of noble gases?

A. Inertness
B. Monatomic nature
C. High reactivity
D. Low boiling points

Solution

Noble gases are known for their inertness and low reactivity, making high reactivity incorrect.

Correct Answer: C — High reactivity

Q. Which of the following is not a characteristic of p-block elements? (2021)

A. Form covalent bonds
B. Have high electronegativity
C. Are all metals
D. Can form multiple oxidation states

Solution

Not all p-block elements are metals; many are nonmetals and metalloids.

Correct Answer: C — Are all metals

Q. Which of the following is NOT a characteristic of polymers? (2023)

A. High molecular weight
B. Low melting point
C. Viscoelasticity
D. Solubility in water

Solution

Polymers typically have low solubility in water, especially synthetic ones.

Correct Answer: D — Solubility in water

Q. Which of the following is NOT a characteristic of r-selected species? (2019)

A. High fecundity
B. Short lifespan
C. Low parental investment
D. Long gestation period

Solution

R-selected species are characterized by high fecundity and short lifespans, not long gestation periods.

Correct Answer: D — Long gestation period

Q. Which of the following is NOT a characteristic of semantic memory? (2020)

A. It is context-free
B. It is organized by meaning
C. It involves personal experiences
D. It can be verbalized

Solution

Semantic memory is not based on personal experiences; that is characteristic of episodic memory.

Correct Answer: C — It involves personal experiences

Q. Which of the following is NOT a characteristic of solids? (2023)

A. Definite shape
B. Definite volume
C. High compressibility
D. Low kinetic energy

Solution

Solids are not highly compressible; they have a definite shape and volume, and their particles vibrate in fixed positions.

Correct Answer: C — High compressibility

Q. Which of the following is NOT a characteristic of the Earth's crust?

A. Thinnest layer
B. Solid state
C. Rich in metals
D. Liquid state

Solution

The Earth's crust is solid and is the thinnest layer, unlike the outer core which is in a liquid state.

Correct Answer: D — Liquid state

Q. Which of the following is NOT a characteristic of the Earth's inner core? (2019)

A. Solid state
B. Composed of iron and nickel
C. Liquid state
D. High temperature

Solution

The Earth's inner core is in a solid state, composed mainly of iron and nickel, despite the high temperature.

Correct Answer: C — Liquid state

Q. Which of the following is NOT a characteristic of the Earth's outer core? (2023)

A. Liquid state
B. Composed of iron and nickel
C. Responsible for magnetic field
D. Solid state

Solution

The outer core is in a liquid state, not solid, and is responsible for generating the Earth's magnetic field.

Correct Answer: D — Solid state

Q. Which of the following is NOT a characteristic of the graph of a quadratic function?

A. It opens upwards if a > 0.
B. It has a maximum point if a < 0.
C. It is a straight line.
D. It is symmetric about its vertex.

Solution

The graph of a quadratic function is a parabola, not a straight line.

Correct Answer: C — It is a straight line.

Q. Which of the following is NOT a characteristic of the inductive effect?

A. Permanent
B. Distance-dependent
C. Reversible
D. Weakens with distance

Solution

The inductive effect is permanent and weakens with distance, but it is not reversible.

Correct Answer: C — Reversible

Q. Which of the following is NOT a characteristic of the phylum Echinodermata? (2022)

A. Radial symmetry
B. Water vascular system
C. Presence of a notochord
D. Tube feet

Solution

Echinodermata do not possess a notochord; this feature is characteristic of Chordata.

Correct Answer: C — Presence of a notochord

Q. Which of the following is NOT a characteristic of the phylum Mollusca? (2022)

A. Soft-bodied
B. Presence of a shell
C. Jointed legs
D. Mantle

Solution

Phylum Mollusca is characterized by soft bodies, often with a shell, and a mantle, but they do not have jointed legs.

Correct Answer: C — Jointed legs

Q. Which of the following is NOT a characteristic of the phylum Porifera? (2023)

A. Multicellular
B. Presence of true tissues
C. Aquatic habitat
D. Filter feeders

Solution

Porifera, or sponges, lack true tissues, which distinguishes them from other multicellular organisms.

Correct Answer: B — Presence of true tissues

Q. Which of the following is not a characteristic of the plant kingdom? (2020)

A. Eukaryotic cells
B. Autotrophic nutrition
C. Presence of chlorophyll
D. Heterotrophic nutrition

Solution

The plant kingdom is characterized by eukaryotic cells, autotrophic nutrition, and the presence of chlorophyll. Heterotrophic nutrition is not a characteristic of plants.

Correct Answer: D — Heterotrophic nutrition

Q. Which of the following is not a characteristic of transition metals?

A. Variable oxidation states
B. Formation of colored compounds
C. High electronegativity
D. Catalytic properties

Solution

Transition metals typically have variable oxidation states, form colored compounds, and exhibit catalytic properties, but they do not have high electronegativity.

Correct Answer: C — High electronegativity

Q. Which of the following is NOT a characteristic of waves?

A. Reflection
B. Refraction
C. Diffraction
D. Conduction

Solution

Conduction is a mode of heat transfer, not a characteristic of wave motion. The other options are properties of waves.

Correct Answer: D — Conduction

Q. Which of the following is NOT a common email client?

A. Outlook
B. Thunderbird
C. Gmail
D. Notepad

Solution

Notepad is a text editor, not an email client.

Correct Answer: D — Notepad

Q. Which of the following is NOT a common method of resource allocation?

A. Market-based allocation.
B. Command-based allocation.
C. Random allocation.
D. Needs-based allocation.

Solution

Random allocation is not a systematic method of resource allocation, making option 2 the correct answer.

Correct Answer: C — Random allocation.

Q. Which of the following is NOT a common source of systematic error? (2021)

A. Calibration errors
B. Environmental conditions
C. Random fluctuations
D. Instrument bias

Solution

Random fluctuations are not a source of systematic error; they are associated with random errors.

Correct Answer: C — Random fluctuations

Q. Which of the following is NOT a component of a Wheatstone bridge?

A. Galvanometer
B. Battery
C. Inductor
D. Resistors

Solution

An inductor is not a component of a Wheatstone bridge; it consists of resistors, a galvanometer, and a battery.

Correct Answer: C — Inductor

Q. Which of the following is not a component of DNA? (2018)

A. Deoxyribose
B. Phosphate group
C. Ribose
D. Nitrogenous base

Solution

Ribose is not a component of DNA; it is found in RNA. DNA contains deoxyribose.

Correct Answer: C — Ribose

Q. Which of the following is NOT a component of GDP? (2023)

A. Consumption
B. Investment
C. Exports
D. Taxation

Solution

Taxation is not a direct component of GDP; it is a means of revenue for the government.

Correct Answer: D — Taxation

Q. Which of the following is NOT a component of the cell theory? (2018)

A. All living things are composed of cells
B. Cells are the basic unit of life
C. All cells arise from pre-existing cells
D. Cells can arise spontaneously from non-living matter

Solution

The cell theory states that all living things are composed of cells, cells are the basic unit of life, and all cells arise from pre-existing cells. Spontaneous generation is not part of the cell theory.

Correct Answer: D — Cells can arise spontaneously from non-living matter

Q. Which of the following is NOT a component of the Indian economy?

A. Agriculture
B. Industry
C. Services
D. Tourism

Solution

Tourism is not a primary component of the Indian economy; it is part of the Services sector.

Correct Answer: D — Tourism

Q. Which of the following is NOT a condition for a Wheatstone bridge to be balanced?

A. The ratio of resistances must be equal
B. No current flows through the galvanometer
C. The resistances must be equal
D. The potential difference across the galvanometer is zero

Solution

While the other conditions are necessary for balance, the resistances do not need to be equal, just in the same ratio.

Correct Answer: C — The resistances must be equal

Q. Which of the following is NOT a condition for natural selection to occur?

A. Variation in traits
B. Inheritance of traits
C. Overproduction of offspring
D. Uniformity of traits

Solution

Uniformity of traits is not a condition for natural selection; rather, variation in traits is essential for natural selection to act upon.

Correct Answer: D — Uniformity of traits

Q. Which of the following is NOT a condition for Raoult's Law to be applicable?

A. The solution must be ideal.
B. The solute must be non-volatile.
C. The components must be miscible in all proportions.
D. The solution must be at high pressure.

Solution

Raoult's Law is applicable under conditions of ideal solutions, and high pressure is not a requirement.

Correct Answer: D — The solution must be at high pressure.

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