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!
Q. What type of reproduction occurs in flowering plants? (2021)
A.
Asexual reproduction
B.
Sexual reproduction
C.
Both asexual and sexual
D.
None of the above
Show solution
Solution
Flowering plants can reproduce both sexually (through seeds) and asexually (through vegetative propagation).
Correct Answer:
C
— Both asexual and sexual
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Q. What type of reproduction occurs in hydra? (2023)
A.
Budding
B.
Binary fission
C.
Fragmentation
D.
Sexual reproduction
Show solution
Solution
Hydra reproduces asexually by budding, where a new individual develops from an outgrowth of the parent.
Correct Answer:
A
— Budding
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Q. What type of reproduction occurs in sponges? (2020)
A.
Asexual reproduction only
B.
Sexual reproduction only
C.
Both asexual and sexual reproduction
D.
None of the above
Show solution
Solution
Sponges can reproduce both asexually through budding and sexually by producing gametes.
Correct Answer:
C
— Both asexual and sexual reproduction
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Q. What type of root system is found in monocots? (2021)
A.
Tap root system
B.
Fibrous root system
C.
Adventitious root system
D.
None of the above
Show solution
Solution
Monocots typically have a fibrous root system, which consists of many thin roots.
Correct Answer:
B
— Fibrous root system
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Q. What type of semiconductor behavior is exhibited by a material with a very small band gap?
A.
Insulator
B.
Conductor
C.
Superconductor
D.
Semiconductor
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Solution
A material with a very small band gap behaves like a semiconductor, allowing some charge carriers to be thermally excited.
Correct Answer:
D
— Semiconductor
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Q. What type of semiconductor is formed by adding trivalent impurities? (2023)
A.
N-type
B.
P-type
C.
Intrinsic
D.
Superconductor
Show solution
Solution
Adding trivalent impurities (like boron) to a semiconductor creates a p-type semiconductor.
Correct Answer:
B
— P-type
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Q. What type of semiconductor is formed when silicon is doped with arsenic? (2023)
A.
p-type
B.
n-type
C.
Intrinsic
D.
Superconductor
Show solution
Solution
Doping silicon with arsenic, a pentavalent element, creates an n-type semiconductor due to the addition of extra electrons.
Correct Answer:
B
— n-type
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Q. What type of semiconductor is formed when silicon is doped with phosphorus?
A.
p-type
B.
n-type
C.
Intrinsic
D.
Superconductor
Show solution
Solution
Doping silicon with phosphorus creates an n-type semiconductor due to the extra electrons contributed by phosphorus.
Correct Answer:
B
— n-type
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Q. What type of solid is diamond classified as? (2022)
A.
Metallic solid
B.
Ionic solid
C.
Covalent network solid
D.
Molecular solid
Show solution
Solution
Diamond is classified as a covalent network solid due to its strong covalent bonds forming a three-dimensional network.
Correct Answer:
C
— Covalent network solid
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Q. What type of solutions does Raoult's Law apply to most accurately?
A.
Ideal solutions
B.
Non-ideal solutions
C.
Concentrated solutions
D.
Dilute solutions
Show solution
Solution
Raoult's Law applies most accurately to ideal solutions, where interactions between different molecules are similar to those in pure substances.
Correct Answer:
A
— Ideal solutions
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Q. What type of solutions does Raoult's Law apply to?
A.
Ideal solutions only.
B.
Non-ideal solutions only.
C.
Both ideal and non-ideal solutions.
D.
Concentrated solutions only.
Show solution
Solution
Raoult's Law applies primarily to ideal solutions, where the interactions between different molecules are similar to those in pure substances.
Correct Answer:
A
— Ideal solutions only.
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Q. What type of structure do cross-linked polymers have?
A.
Linear
B.
Branched
C.
Network
D.
Cyclic
Show solution
Solution
Cross-linked polymers have a network structure due to the presence of covalent bonds between chains.
Correct Answer:
C
— Network
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Q. What type of structure do most natural polymers have?
A.
Linear
B.
Branched
C.
Cross-linked
D.
Network
Show solution
Solution
Most natural polymers, like cellulose, have a linear structure.
Correct Answer:
A
— Linear
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Q. What type of structure do most synthetic polymers have?
A.
Linear
B.
Branched
C.
Cross-linked
D.
All of the above
Show solution
Solution
Most synthetic polymers can have linear, branched, or cross-linked structures depending on their synthesis.
Correct Answer:
D
— All of the above
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Q. What type of structure do most thermoplastics have?
A.
Cross-linked structure
B.
Linear or branched structure
C.
Crystalline structure
D.
Amorphous structure
Show solution
Solution
Most thermoplastics have a linear or branched structure, allowing them to be remolded upon heating.
Correct Answer:
B
— Linear or branched structure
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Q. What type of sugar is ribose?
A.
Monosaccharide
B.
Disaccharide
C.
Polysaccharide
D.
Oligosaccharide
Show solution
Solution
Ribose is a monosaccharide, a simple sugar that is a component of RNA.
Correct Answer:
A
— Monosaccharide
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Q. What type of symmetry do most animals in the phylum Cnidaria exhibit? (2023)
A.
Bilateral symmetry
B.
Radial symmetry
C.
Asymmetry
D.
Spherical symmetry
Show solution
Solution
Most cnidarians exhibit radial symmetry, allowing them to interact with their environment from all directions.
Correct Answer:
B
— Radial symmetry
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Q. What type of symmetry do most animals in the phylum Porifera exhibit? (2019)
A.
Bilateral symmetry
B.
Radial symmetry
C.
Asymmetry
D.
Spherical symmetry
Show solution
Solution
Most animals in the phylum Porifera, such as sponges, exhibit asymmetry.
Correct Answer:
C
— Asymmetry
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Q. What type of symmetry is exhibited by organisms in the phylum Cnidaria? (2019)
A.
Bilateral symmetry
B.
Radial symmetry
C.
Asymmetry
D.
Spherical symmetry
Show solution
Solution
Organisms in the phylum Cnidaria, such as jellyfish and corals, exhibit radial symmetry.
Correct Answer:
B
— Radial symmetry
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Q. What type of symmetry is exhibited by organisms in the phylum Platyhelminthes? (2022)
A.
Bilateral symmetry
B.
Radial symmetry
C.
Asymmetry
D.
Spherical symmetry
Show solution
Solution
Platyhelminthes, or flatworms, exhibit bilateral symmetry, which is a key characteristic of this phylum.
Correct Answer:
A
— Bilateral symmetry
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Q. What type of symmetry is exhibited by organisms in the phylum Porifera? (2021)
A.
Bilateral symmetry
B.
Radial symmetry
C.
Asymmetry
D.
Spherical symmetry
Show solution
Solution
Organisms in the phylum Porifera, such as sponges, exhibit asymmetry.
Correct Answer:
C
— Asymmetry
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Q. What type of tissue is responsible for the transport of water in plants? (2019)
A.
Phloem
B.
Xylem
C.
Parenchyma
D.
Collenchyma
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Solution
Xylem is the type of tissue responsible for the transport of water and minerals from the roots to the rest of the plant.
Correct Answer:
B
— Xylem
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Q. What type of vegetation is typically found in tropical rainforests?
A.
Deciduous
B.
Coniferous
C.
Evergreen
D.
Grassland
Show solution
Solution
Tropical rainforests are characterized by evergreen vegetation, which remains green throughout the year.
Correct Answer:
C
— Evergreen
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Q. What type of wave is a sound wave?
A.
Transverse wave
B.
Longitudinal wave
C.
Surface wave
D.
Electromagnetic wave
Show solution
Solution
Sound waves are longitudinal waves, where the particle displacement is parallel to the direction of wave propagation.
Correct Answer:
B
— Longitudinal wave
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Q. What type of wave is characterized by particle motion being parallel to wave motion? (2023)
A.
Transverse wave
B.
Longitudinal wave
C.
Surface wave
D.
Standing wave
Show solution
Solution
In a longitudinal wave, the particle motion is parallel to the direction of wave propagation.
Correct Answer:
B
— Longitudinal wave
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Q. What type of wave is characterized by particle motion being perpendicular to wave motion?
A.
Longitudinal wave
B.
Transverse wave
C.
Surface wave
D.
Standing wave
Show solution
Solution
In a transverse wave, the particle motion is perpendicular to the direction of wave propagation.
Correct Answer:
B
— Transverse wave
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Q. What type of wave is produced by a vibrating string?
A.
Longitudinal wave
B.
Transverse wave
C.
Surface wave
D.
Electromagnetic wave
Show solution
Solution
A vibrating string produces transverse waves, where the displacement of the medium is perpendicular to the direction of wave propagation.
Correct Answer:
B
— Transverse wave
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Q. What type of wave is produced when a tuning fork is struck and vibrates?
A.
Transverse wave
B.
Longitudinal wave
C.
Surface wave
D.
Electromagnetic wave
Show solution
Solution
A tuning fork produces longitudinal waves, where the displacement of the medium is parallel to the direction of wave propagation.
Correct Answer:
B
— Longitudinal wave
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Q. What type of wave is produced when a tuning fork is struck?
A.
Transverse wave
B.
Longitudinal wave
C.
Surface wave
D.
Standing wave
Show solution
Solution
A tuning fork produces longitudinal waves in the air as it vibrates back and forth, creating compressions and rarefactions.
Correct Answer:
B
— Longitudinal wave
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Q. What type of wave is produced when a tuning fork vibrates in air?
A.
Transverse wave
B.
Longitudinal wave
C.
Surface wave
D.
Electromagnetic wave
Show solution
Solution
A tuning fork produces longitudinal waves in air, where the particles of the medium vibrate parallel to the direction of wave propagation.
Correct Answer:
B
— Longitudinal wave
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