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 is the primary function of fats in the diet?
A.
Energy storage
B.
Muscle building
C.
Bone health
D.
Immune function
Show solution
Solution
Fats primarily serve as energy storage, providing 9 calories per gram.
Correct Answer:
A
— Energy storage
Learn More →
Q. What is the primary function of fluoride in dental care products?
A.
Whitening teeth
B.
Preventing cavities
C.
Freshening breath
D.
Strengthening gums
Show solution
Solution
Fluoride helps to prevent cavities by strengthening tooth enamel and making it more resistant to decay.
Correct Answer:
B
— Preventing cavities
Learn More →
Q. What is the primary function of fluoride in dental care?
A.
Whitening teeth
B.
Preventing cavities
C.
Strengthening enamel
D.
Reducing sensitivity
Show solution
Solution
Fluoride helps to strengthen tooth enamel and prevent cavities.
Correct Answer:
C
— Strengthening enamel
Learn More →
Q. What is the primary function of glucagon? (2023)
A.
Increase blood glucose levels
B.
Decrease blood glucose levels
C.
Stimulate protein synthesis
D.
Inhibit fat breakdown
Show solution
Solution
Glucagon is a hormone that raises blood glucose levels by promoting the conversion of glycogen to glucose in the liver.
Correct Answer:
A
— Increase blood glucose levels
Learn More →
Q. What is the primary function of hemoglobin in red blood cells? (2022)
A.
Transport nutrients
B.
Fight infections
C.
Carry oxygen
D.
Regulate pH
Show solution
Solution
Hemoglobin is a protein in red blood cells that binds to oxygen in the lungs and carries it to tissues throughout the body.
Correct Answer:
C
— Carry oxygen
Learn More →
Q. What is the primary function of hemoglobin in the blood? (2019)
A.
Transport nutrients
B.
Regulate pH
C.
Carry oxygen
D.
Fight infections
Show solution
Solution
Hemoglobin's primary function is to carry oxygen from the lungs to the tissues and return carbon dioxide from the tissues to the lungs.
Correct Answer:
C
— Carry oxygen
Learn More →
Q. What is the primary function of hemoglobin? (2022)
A.
Transport carbon dioxide
B.
Transport nutrients
C.
Transport oxygen
D.
Regulate blood pressure
Show solution
Solution
Hemoglobin's primary function is to transport oxygen from the lungs to the tissues.
Correct Answer:
C
— Transport oxygen
Learn More →
Q. What is the primary function of leaves in flowering plants? (2023)
A.
Reproduction
B.
Photosynthesis
C.
Storage
D.
Support
Show solution
Solution
Leaves are primarily responsible for photosynthesis, converting sunlight into energy for the plant.
Correct Answer:
B
— Photosynthesis
Learn More →
Q. What is the primary function of ligaments in the human body? (2019)
A.
Connect muscle to bone
B.
Connect bone to bone
C.
Support organs
D.
Facilitate movement
Show solution
Solution
Ligaments connect bone to bone, providing stability to joints.
Correct Answer:
B
— Connect bone to bone
Learn More →
Q. What is the primary function of lipids in biological systems?
A.
Energy storage
B.
Catalysis
C.
Genetic information
D.
Structural support
Show solution
Solution
Lipids serve as a major form of energy storage in organisms.
Correct Answer:
A
— Energy storage
Learn More →
Q. What is the primary function of lipids in the body? (2021)
A.
Energy storage
B.
Genetic information
C.
Structural support
D.
Transport
Show solution
Solution
Lipids primarily serve as energy storage molecules.
Correct Answer:
A
— Energy storage
Learn More →
Q. What is the primary function of nervous tissue? (2022)
A.
Support and protection
B.
Movement
C.
Transmission of impulses
D.
Storage of energy
Show solution
Solution
Nervous tissue is responsible for the transmission of electrical impulses throughout the body, facilitating communication.
Correct Answer:
C
— Transmission of impulses
Learn More →
Q. What is the primary function of nucleic acids? (2020)
A.
Energy storage
B.
Structural support
C.
Genetic information storage
D.
Catalysis
Show solution
Solution
Nucleic acids, such as DNA and RNA, are primarily responsible for storing and transmitting genetic information.
Correct Answer:
C
— Genetic information storage
Learn More →
Q. What is the primary function of parathyroid hormone? (2023)
A.
Increase calcium levels in blood
B.
Decrease calcium levels in blood
C.
Regulate metabolism
D.
Stimulate growth
Show solution
Solution
Parathyroid hormone (PTH) increases calcium levels in the blood by stimulating the release of calcium from bones and increasing calcium absorption in the intestines.
Correct Answer:
A
— Increase calcium levels in blood
Learn More →
Q. What is the primary function of petals in a flower? (2021)
A.
Support the flower
B.
Attract pollinators
C.
Protect the ovary
D.
Produce nectar
Show solution
Solution
Petals are often brightly colored to attract pollinators.
Correct Answer:
B
— Attract pollinators
Learn More →
Q. What is the primary function of petals in flowering plants? (2020)
A.
Support the flower
B.
Protect the ovary
C.
Attract pollinators
D.
Produce seeds
Show solution
Solution
The primary function of petals is to attract pollinators with their color and fragrance.
Correct Answer:
C
— Attract pollinators
Learn More →
Q. What is the primary function of plasma in the blood? (2020)
A.
Transporting oxygen
B.
Transporting nutrients and waste
C.
Fighting infections
D.
Clotting blood
Show solution
Solution
Plasma is the liquid component of blood that carries nutrients, hormones, and waste products throughout the body.
Correct Answer:
B
— Transporting nutrients and waste
Learn More →
Q. What is the primary function of potassium in plants? (2020)
A.
Photosynthesis
B.
Water regulation
C.
Protein synthesis
D.
Cell division
Show solution
Solution
Potassium plays a crucial role in regulating water balance and osmotic pressure in plant cells.
Correct Answer:
B
— Water regulation
Learn More →
Q. What is the primary function of preservatives in food?
A.
Enhance flavor
B.
Improve texture
C.
Prevent spoilage
D.
Increase nutritional value
Show solution
Solution
Preservatives are added to food to prevent spoilage caused by microorganisms.
Correct Answer:
C
— Prevent spoilage
Learn More →
Q. What is the primary function of producers in an ecosystem? (2019)
A.
To consume other organisms
B.
To decompose organic matter
C.
To produce energy through photosynthesis
D.
To compete for resources
Show solution
Solution
Producers, such as plants, produce energy through photosynthesis, forming the base of the food chain.
Correct Answer:
C
— To produce energy through photosynthesis
Learn More →
Q. What is the primary function of proteins in the body? (2023)
A.
Energy storage
B.
Catalyzing biochemical reactions
C.
Genetic information storage
D.
Cell membrane structure
Show solution
Solution
Proteins act as enzymes that catalyze biochemical reactions.
Correct Answer:
B
— Catalyzing biochemical reactions
Learn More →
Q. What is the primary function of proteins in the body? (2023) 2023
A.
Energy storage
B.
Catalyzing biochemical reactions
C.
Genetic information storage
D.
Cell membrane structure
Show solution
Solution
Proteins primarily function as enzymes that catalyze biochemical reactions.
Correct Answer:
B
— Catalyzing biochemical reactions
Learn More →
Q. What is the primary function of RAM in a computer?
A.
Store data permanently
B.
Execute programs
C.
Provide temporary storage
D.
Control peripherals
Show solution
Solution
RAM (Random Access Memory) provides temporary storage for data and programs that are currently in use.
Correct Answer:
C
— Provide temporary storage
Learn More →
Q. What is the primary function of ribosomes? (2021)
A.
Energy production
B.
Protein synthesis
C.
Photosynthesis
D.
Cell division
Show solution
Solution
Ribosomes are responsible for protein synthesis in the cell.
Correct Answer:
B
— Protein synthesis
Learn More →
Q. What is the primary function of root hairs in plants?
A.
Photosynthesis
B.
Water absorption
C.
Nutrient storage
D.
Gas exchange
Show solution
Solution
Root hairs increase the surface area of roots, enhancing the plant's ability to absorb water and nutrients from the soil.
Correct Answer:
B
— Water absorption
Learn More →
Q. What is the primary function of sepals in a flower? (2021)
A.
Attract pollinators
B.
Protect the flower bud
C.
Produce nectar
D.
Support the petals
Show solution
Solution
Sepals protect the flower bud before it opens.
Correct Answer:
B
— Protect the flower bud
Learn More →
Q. What is the primary function of sepals? (2019)
A.
Attract pollinators
B.
Protect the flower bud
C.
Support the petals
D.
Produce nectar
Show solution
Solution
Sepals protect the flower bud before it opens and can also support the petals.
Correct Answer:
B
— Protect the flower bud
Learn More →
Q. What is the primary function of soap in cleaning?
A.
Disinfecting
B.
Emulsifying
C.
Oxidizing
D.
Reducing
Show solution
Solution
Soap acts as an emulsifier, allowing water to mix with oils and dirt for effective cleaning.
Correct Answer:
B
— Emulsifying
Learn More →
Q. What is the primary function of surfactant in the lungs? (2020)
A.
Increase oxygen absorption
B.
Reduce surface tension
C.
Facilitate gas exchange
D.
Enhance lung elasticity
Show solution
Solution
Surfactant reduces surface tension in the alveoli, preventing their collapse and making it easier for the lungs to expand during inhalation.
Correct Answer:
B
— Reduce surface tension
Learn More →
Q. What is the primary function of the Achilles tendon? (2022)
A.
Flex the knee
B.
Extend the foot
C.
Stabilize the ankle
D.
Connect calf muscles to the heel
Show solution
Solution
The Achilles tendon connects the calf muscles to the heel bone, allowing for foot movement.
Correct Answer:
D
— Connect calf muscles to the heel
Learn More →
Showing 22681 to 22710 of 31669 (1056 Pages)