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 vitamin is involved in blood clotting?

A. Vitamin A
B. Vitamin B12
C. Vitamin K
D. Vitamin E

Solution

Vitamin K is essential for the synthesis of proteins required for blood clotting.

Correct Answer: C — Vitamin K

Q. Which vitamin is involved in the metabolism of carbohydrates and fats?

A. Vitamin B1
B. Vitamin B2
C. Vitamin B3
D. All of the above

Solution

Vitamins B1, B2, and B3 all play roles in the metabolism of carbohydrates and fats.

Correct Answer: D — All of the above

Q. Which vitamin is known as ascorbic acid?

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin C is also known as ascorbic acid, which is essential for the growth and repair of tissues.

Correct Answer: C — Vitamin C

Q. Which vitamin is known as the 'sunshine vitamin'?

A. Vitamin A
B. Vitamin D
C. Vitamin E
D. Vitamin K

Solution

Vitamin D is often referred to as the 'sunshine vitamin' because it is produced in the skin in response to sunlight.

Correct Answer: B — Vitamin D

Q. Which vitamin is known for its antioxidant properties?

A. Vitamin A
B. Vitamin C
C. Vitamin E
D. All of the above

Solution

Vitamins A, C, and E all have antioxidant properties, helping to protect cells from damage caused by free radicals.

Correct Answer: D — All of the above

Q. Which vitamin is known for its role in red blood cell formation?

A. Vitamin B6
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin B12 is crucial for the formation of red blood cells and the maintenance of the nervous system.

Correct Answer: B — Vitamin B12

Q. Which vitamin is known for its role in vision?

A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K

Solution

Vitamin A is crucial for vision, particularly in low-light conditions, as it is a component of the visual pigment rhodopsin.

Correct Answer: A — Vitamin A

Q. Which vitamin is known to be a coenzyme in carbohydrate metabolism? (2019)

A. Vitamin A
B. Vitamin B1
C. Vitamin C
D. Vitamin D

Solution

Vitamin B1 (thiamine) acts as a coenzyme in the metabolism of carbohydrates.

Correct Answer: B — Vitamin B1

Q. Which vitamin is known to be synthesized in the skin upon exposure to sunlight?

A. Vitamin A
B. Vitamin D
C. Vitamin E
D. Vitamin K

Solution

Vitamin D is synthesized in the skin when it is exposed to sunlight, specifically UVB radiation.

Correct Answer: B — Vitamin D

Q. Which vitamin is known to have antioxidant properties?

A. Vitamin A
B. Vitamin C
C. Vitamin E
D. All of the above

Solution

Vitamins A, C, and E all have antioxidant properties, helping to protect cells from damage caused by free radicals.

Correct Answer: D — All of the above

Q. Which vitamin is known to help in the metabolism of carbohydrates?

A. Vitamin B1
B. Vitamin B2
C. Vitamin B3
D. All of the above

Solution

Vitamins B1, B2, and B3 all play roles in the metabolism of carbohydrates.

Correct Answer: D — All of the above

Q. Which vitamin is known to play a role in blood clotting?

A. Vitamin A
B. Vitamin B12
C. Vitamin K
D. Vitamin C

Solution

Vitamin K is essential for the synthesis of proteins required for blood clotting.

Correct Answer: C — Vitamin K

Q. Which vitamin is known to prevent neural tube defects during pregnancy?

A. Vitamin A
B. Vitamin B9
C. Vitamin C
D. Vitamin D

Solution

Vitamin B9, also known as folic acid, is known to prevent neural tube defects during pregnancy.

Correct Answer: B — Vitamin B9

Q. Which vitamin is primarily absorbed in the ileum of the small intestine? (2023)

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin B12 is primarily absorbed in the ileum of the small intestine.

Correct Answer: B — Vitamin B12

Q. Which vitamin is primarily absorbed in the ileum? (2020)

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin B12 is primarily absorbed in the ileum of the small intestine.

Correct Answer: B — Vitamin B12

Q. Which vitamin is primarily absorbed in the small intestine? (2023)

A. Vitamin A
B. Vitamin C
C. Vitamin B12
D. Vitamin K

Solution

Vitamin B12 is primarily absorbed in the small intestine, specifically in the ileum.

Correct Answer: C — Vitamin B12

Q. Which vitamin is primarily found in animal products and is crucial for nerve function?

A. Vitamin B1
B. Vitamin B6
C. Vitamin B12
D. Vitamin C

Solution

Vitamin B12 is primarily found in animal products and is crucial for nerve function and the production of DNA and red blood cells.

Correct Answer: C — Vitamin B12

Q. Which vitamin is primarily found in animal products and is crucial for red blood cell formation?

A. Vitamin B1
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin B12 is primarily found in animal products and is essential for the formation of red blood cells and DNA synthesis.

Correct Answer: B — Vitamin B12

Q. Which vitamin is primarily found in animal products and is important for nerve function?

A. Vitamin B1
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin B12 is primarily found in animal products and is crucial for nerve function and the production of DNA and red blood cells.

Correct Answer: B — Vitamin B12

Q. Which vitamin is primarily involved in calcium absorption?

A. Vitamin A
B. Vitamin B6
C. Vitamin D
D. Vitamin E

Solution

Vitamin D plays a crucial role in calcium absorption in the gut and maintaining adequate serum calcium and phosphate levels.

Correct Answer: C — Vitamin D

Q. Which vitamin is primarily involved in vision? (2020)

A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin E

Solution

Vitamin A is essential for the formation of rhodopsin, a pigment in the retina that is crucial for vision.

Correct Answer: A — Vitamin A

Q. Which vitamin is primarily obtained from citrus fruits? (2021)

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin C is abundant in citrus fruits like oranges, lemons, and grapefruits.

Correct Answer: C — Vitamin C

Q. Which vitamin is primarily obtained from sunlight?

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin D is synthesized in the skin upon exposure to sunlight.

Correct Answer: D — Vitamin D

Q. Which vitamin is primarily responsible for vision?

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin A is essential for vision, particularly in low-light conditions.

Correct Answer: A — Vitamin A

Q. Which vitamin is produced when a person is exposed to sunlight? (2023)

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

Solution

Vitamin D is produced in the skin when it is exposed to sunlight.

Correct Answer: D — Vitamin D

Q. Which vitamin is produced when the skin is exposed to sunlight?

A. Vitamin A
B. Vitamin B12
C. Vitamin C
D. Vitamin D

Solution

Vitamin D is produced when the skin is exposed to sunlight.

Correct Answer: D — Vitamin D

Q. Which vitamin is synthesized in the skin upon exposure to sunlight?

A. Vitamin A
B. Vitamin B12
C. Vitamin D
D. Vitamin K

Solution

Vitamin D is synthesized in the skin when it is exposed to ultraviolet (UV) rays from sunlight.

Correct Answer: C — Vitamin D

Q. Which vocabulary word in the passage best describes the nature of digital sum?

A. Obsolete.
B. Innovative.
C. Complicated.
D. Redundant.

Solution

The passage characterizes digital sum as innovative, highlighting its modern applications.

Correct Answer: B — Innovative.

Q. Which wavelength of light is least effective for photosynthesis? (2022)

A. Red light
B. Blue light
C. Green light
D. Yellow light

Solution

Green light is least effective for photosynthesis because it is mostly reflected by chlorophyll.

Correct Answer: C — Green light

Q. Which wavelength of light is most effective for photosynthesis? (2020)

A. Green light
B. Red light
C. Blue light
D. Yellow light

Solution

Blue light is most effective for photosynthesis as it is absorbed strongly by chlorophyll.

Correct Answer: C — Blue light

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