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. Which type of semiconductor is formed by doping silicon with phosphorus? (2020)
A.
p-type
B.
n-type
C.
Intrinsic
D.
Superconducting
Show solution
Solution
Doping silicon with phosphorus creates an n-type semiconductor due to the addition of extra electrons.
Correct Answer:
B
— n-type
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Q. Which type of soil is most commonly found in river valleys due to sediment deposition?
A.
Clay
B.
Sandy soil
C.
Loamy soil
D.
Silty soil
Show solution
Solution
Loamy soil is a mixture of sand, silt, and clay, making it fertile and commonly found in river valleys due to sediment deposition.
Correct Answer:
C
— Loamy soil
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Q. Which type of solid has a definite melting point and is composed of molecules held together by van der Waals forces? (2022)
A.
Ionic solid
B.
Metallic solid
C.
Molecular solid
D.
Covalent solid
Show solution
Solution
Molecular solids are composed of molecules held together by van der Waals forces and have a definite melting point.
Correct Answer:
C
— Molecular solid
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Q. Which type of solid has a definite melting point and is usually hard and brittle? (2022)
A.
Molecular solids
B.
Ionic solids
C.
Metallic solids
D.
Amorphous solids
Show solution
Solution
Ionic solids have a definite melting point and are typically hard and brittle due to the strong ionic bonds between the ions.
Correct Answer:
B
— Ionic solids
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Q. Which type of solid has a definite melting point? (2022)
A.
Amorphous solid
B.
Crystalline solid
C.
Polymeric solid
D.
Metallic solid
Show solution
Solution
Crystalline solids have a definite melting point due to their ordered structure, unlike amorphous solids which melt over a range of temperatures.
Correct Answer:
B
— Crystalline solid
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Q. Which type of solution 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. Which type of storage device is known for its speed and durability?
A.
HDD
B.
SSD
C.
CD-ROM
D.
Floppy Disk
Show solution
Solution
SSD (Solid State Drive) is known for its speed and durability compared to traditional HDDs (Hard Disk Drives).
Correct Answer:
B
— SSD
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Q. Which type of tissue is responsible for movement in animals? (2019)
A.
Epithelial Tissue
B.
Connective Tissue
C.
Muscle Tissue
D.
Nervous Tissue
Show solution
Solution
Muscle tissue is responsible for movement in animals.
Correct Answer:
C
— Muscle Tissue
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Q. Which type of tissue is responsible for the movement of the body? (2021)
A.
Epithelial Tissue
B.
Connective Tissue
C.
Muscle Tissue
D.
Nervous Tissue
Show solution
Solution
Muscle tissue is responsible for the movement of the body.
Correct Answer:
C
— Muscle Tissue
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Q. Which type of white blood cell is primarily involved in the immune response? (2019)
A.
Erythrocytes
B.
Neutrophils
C.
Thrombocytes
D.
Lymphocytes
Show solution
Solution
Lymphocytes are a type of white blood cell that plays a key role in the immune response.
Correct Answer:
D
— Lymphocytes
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Q. Which vitamin can be synthesized by the body when exposed to sunlight?
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
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Solution
Vitamin D can be synthesized by the body when the skin is exposed to sunlight.
Correct Answer:
D
— Vitamin D
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Q. Which vitamin deficiency can lead to night blindness?
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
A deficiency in Vitamin A can lead to night blindness, as it is crucial for maintaining healthy vision.
Correct Answer:
A
— Vitamin A
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Q. Which vitamin deficiency can lead to scurvy?
A.
Vitamin A
B.
Vitamin C
C.
Vitamin K
D.
Vitamin B1
Show solution
Solution
A deficiency in Vitamin C can lead to scurvy, characterized by symptoms such as bleeding gums and fatigue.
Correct Answer:
B
— Vitamin C
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Q. Which vitamin deficiency leads to scurvy? (2019)
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Scurvy is caused by a deficiency of Vitamin C.
Correct Answer:
C
— Vitamin C
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Q. Which vitamin is a coenzyme in the metabolism of carbohydrates? (2019)
A.
Vitamin A
B.
Vitamin B1
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin B1 (thiamine) acts as a coenzyme in carbohydrate metabolism.
Correct Answer:
B
— Vitamin B1
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Q. Which vitamin is a powerful antioxidant?
A.
Vitamin A
B.
Vitamin C
C.
Vitamin E
D.
Vitamin D
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Solution
Vitamin E is known for its antioxidant properties, helping to protect cells from oxidative damage.
Correct Answer:
C
— Vitamin E
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Q. Which vitamin is also known as thiamine?
A.
Vitamin B1
B.
Vitamin B2
C.
Vitamin B3
D.
Vitamin B6
Show solution
Solution
Vitamin B1 is also known as thiamine and is important for carbohydrate metabolism and nerve function.
Correct Answer:
A
— Vitamin B1
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Q. Which vitamin is commonly known as ascorbic acid?
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
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Solution
Ascorbic acid is the chemical name for Vitamin C, which is important for immune function.
Correct Answer:
C
— Vitamin C
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Q. Which vitamin is crucial for red blood cell formation?
A.
Vitamin B6
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin B12 is crucial for the formation of red blood cells and the maintenance of the nervous system.
Correct Answer:
B
— Vitamin B12
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Q. Which vitamin is essential for blood clotting? (2023)
A.
Vitamin K
B.
Vitamin E
C.
Vitamin A
D.
Vitamin D
Show solution
Solution
Vitamin K is essential for the synthesis of proteins required for blood clotting.
Correct Answer:
A
— Vitamin K
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Q. Which vitamin is essential for the absorption of calcium in the body?
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin D is essential for the absorption of calcium, helping to maintain bone health.
Correct Answer:
D
— Vitamin D
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Q. Which vitamin is essential for the synthesis of coenzyme A?
A.
Vitamin B1
B.
Vitamin B2
C.
Vitamin B5
D.
Vitamin B12
Show solution
Solution
Vitamin B5, also known as pantothenic acid, is essential for the synthesis of coenzyme A, which is important in fatty acid metabolism.
Correct Answer:
C
— Vitamin B5
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Q. Which vitamin is essential for the synthesis of collagen?
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin C is crucial for the synthesis of collagen, a key structural protein in the body.
Correct Answer:
C
— Vitamin C
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Q. Which vitamin is essential for the synthesis of retinal?
A.
Vitamin A
B.
Vitamin B2
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin A is essential for the synthesis of retinal, which is important for vision.
Correct Answer:
A
— Vitamin A
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Q. Which vitamin is important for blood clotting?
A.
Vitamin K
B.
Vitamin D
C.
Vitamin B6
D.
Vitamin C
Show solution
Solution
Vitamin K is essential for the synthesis of proteins required for blood clotting.
Correct Answer:
A
— Vitamin K
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Q. Which vitamin is important for the metabolism of amino acids?
A.
Vitamin B1
B.
Vitamin B6
C.
Vitamin B12
D.
Vitamin C
Show solution
Solution
Vitamin B6 is important for amino acid metabolism and the synthesis of neurotransmitters.
Correct Answer:
B
— Vitamin B6
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Q. Which vitamin is important for the metabolism of carbohydrates and amino acids?
A.
Vitamin B1
B.
Vitamin B2
C.
Vitamin B6
D.
All of the above
Show solution
Solution
Vitamins B1, B2, and B6 all play important roles in the metabolism of carbohydrates and amino acids.
Correct Answer:
D
— All of the above
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Q. Which vitamin is important for the metabolism of carbohydrates?
A.
Vitamin B1
B.
Vitamin B2
C.
Vitamin B3
D.
Vitamin B6
Show solution
Solution
Vitamin B1, also known as thiamine, is important for carbohydrate metabolism.
Correct Answer:
A
— Vitamin B1
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Q. Which vitamin is important for the metabolism of fatty acids?
A.
Vitamin B1
B.
Vitamin B2
C.
Vitamin B3
D.
Vitamin B5
Show solution
Solution
Vitamin B5, also known as pantothenic acid, is important for the metabolism of fatty acids.
Correct Answer:
D
— Vitamin B5
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Q. Which vitamin is important for vision and immune function?
A.
Vitamin A
B.
Vitamin B2
C.
Vitamin C
D.
Vitamin K
Show solution
Solution
Vitamin A is crucial for vision, particularly in low-light conditions, and also plays a role in immune function.
Correct Answer:
A
— Vitamin A
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