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 plant hormone is known for its role in stress responses? (2023)
A.
Gibberellins
B.
Auxins
C.
Abscisic acid
D.
Cytokinins
Show solution
Solution
Abscisic acid is known for its role in stress responses, particularly in drought conditions.
Correct Answer:
C
— Abscisic acid
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Q. Which plant hormone is known to delay senescence in leaves? (2022)
A.
Gibberellins
B.
Cytokinins
C.
Ethylene
D.
Abscisic acid
Show solution
Solution
Cytokinins are known to delay senescence and promote cell division in plants.
Correct Answer:
B
— Cytokinins
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Q. Which plant hormone is known to induce abscission of leaves and fruits? (2022)
A.
Auxins
B.
Ethylene
C.
Gibberellins
D.
Cytokinins
Show solution
Solution
Ethylene is known to promote the abscission of leaves and fruits in plants.
Correct Answer:
B
— Ethylene
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Q. Which plant hormone is known to promote fruit ripening? (2022)
A.
Auxins
B.
Cytokinins
C.
Ethylene
D.
Gibberellins
Show solution
Solution
Ethylene is the hormone that promotes fruit ripening and is also involved in the senescence of leaves.
Correct Answer:
C
— Ethylene
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Q. Which plant hormone is primarily associated with apical dominance? (2023)
A.
Auxins
B.
Cytokinins
C.
Gibberellins
D.
Ethylene
Show solution
Solution
Auxins are responsible for apical dominance, suppressing the growth of lateral buds.
Correct Answer:
A
— Auxins
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Q. Which plant hormone is primarily involved in apical dominance? (2023)
A.
Auxins
B.
Cytokinins
C.
Gibberellins
D.
Ethylene
Show solution
Solution
Auxins are primarily responsible for apical dominance, suppressing the growth of lateral buds.
Correct Answer:
A
— Auxins
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Q. Which plant hormone is primarily involved in seed germination? (2022)
A.
Ethylene
B.
Gibberellins
C.
Auxins
D.
Abscisic acid
Show solution
Solution
Gibberellins are crucial for breaking seed dormancy and promoting germination by stimulating enzyme production.
Correct Answer:
B
— Gibberellins
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Q. Which plant hormone is primarily involved in the elongation of stems? (2023)
A.
Ethylene
B.
Gibberellins
C.
Cytokinins
D.
Abscisic acid
Show solution
Solution
Gibberellins are primarily responsible for stem elongation by promoting cell division and elongation.
Correct Answer:
B
— Gibberellins
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Q. Which plant hormone is primarily involved in the response to light? (2022)
A.
Auxins
B.
Ethylene
C.
Gibberellins
D.
Abscisic acid
Show solution
Solution
Auxins are primarily involved in the plant's response to light, promoting growth towards the light source.
Correct Answer:
A
— Auxins
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Q. Which plant hormone is primarily involved in the response to stress conditions? (2023)
A.
Auxins
B.
Gibberellins
C.
Abscisic acid
D.
Cytokinins
Show solution
Solution
Abscisic acid is primarily involved in the plant's response to stress conditions, particularly drought.
Correct Answer:
C
— Abscisic acid
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Q. Which plant hormone is primarily responsible for apical dominance? (2023)
A.
Auxins
B.
Cytokinins
C.
Gibberellins
D.
Ethylene
Show solution
Solution
Auxins are responsible for apical dominance, inhibiting the growth of lateral buds.
Correct Answer:
A
— Auxins
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Q. Which plateau is known as the 'Roof of the World'?
A.
Deccan Plateau
B.
Tibetan Plateau
C.
Chota Nagpur Plateau
D.
Malwa Plateau
Show solution
Solution
The Tibetan Plateau is often referred to as the 'Roof of the World' due to its high elevation.
Correct Answer:
B
— Tibetan Plateau
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Q. Which policy was introduced by the British to control the Indian press and curb dissent during the early 20th century?
A.
The Vernacular Press Act
B.
The Indian Press Act
C.
The Rowlatt Act
D.
The Arms Act
Show solution
Solution
The Vernacular Press Act of 1878 was aimed at curbing the freedom of the press in Indian languages, reflecting the British government's attempt to control dissent.
Correct Answer:
A
— The Vernacular Press Act
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Q. Which polymer is commonly used in 3D printing?
A.
PLA
B.
PVC
C.
Nylon
D.
Polyethylene
Show solution
Solution
PLA (Polylactic Acid) is a commonly used polymer in 3D printing due to its ease of use and biodegradability.
Correct Answer:
A
— PLA
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Q. Which polymer is commonly used in the production of fibers for clothing? (2020)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
Show solution
Solution
Nylon is commonly used in the production of fibers for clothing due to its strength and elasticity.
Correct Answer:
B
— Nylon
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Q. Which polymer is commonly used in the production of non-stick cookware? (2023)
A.
Polyethylene
B.
Polytetrafluoroethylene (PTFE)
C.
Polypropylene
D.
Polyvinyl chloride (PVC)
Show solution
Solution
Polytetrafluoroethylene (PTFE), commonly known as Teflon, is used in non-stick cookware due to its low friction properties.
Correct Answer:
B
— Polytetrafluoroethylene (PTFE)
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Q. Which polymer is commonly used in the production of plastic bottles?
A.
Polypropylene
B.
Polyethylene terephthalate
C.
Polystyrene
D.
Polyvinyl chloride
Show solution
Solution
Polyethylene terephthalate (PET) is commonly used in the production of plastic bottles.
Correct Answer:
B
— Polyethylene terephthalate
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Q. Which polymer is commonly used in the production of rubber?
A.
Polyethylene
B.
Natural rubber
C.
Polystyrene
D.
Polyvinyl chloride
Show solution
Solution
Natural rubber is a polymer that is widely used in the production of rubber products.
Correct Answer:
B
— Natural rubber
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Q. Which polymer is commonly used in the production of synthetic fibers? (2023)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
Show solution
Solution
Nylon is a synthetic polymer widely used in the production of synthetic fibers for clothing and textiles.
Correct Answer:
B
— Nylon
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Q. Which polymer is known for its high resistance to heat and chemicals?
A.
Polyethylene
B.
Teflon
C.
Nylon
D.
Acrylic
Show solution
Solution
Teflon is known for its high resistance to heat and chemicals.
Correct Answer:
B
— Teflon
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Q. Which polymer is known for its high resistance to heat?
A.
Polyethylene
B.
Teflon
C.
Polypropylene
D.
PVC
Show solution
Solution
Teflon (PTFE) is known for its high heat resistance and non-stick properties.
Correct Answer:
B
— Teflon
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Q. Which preposition is used to indicate a relationship? (2021)
A.
with
B.
at
C.
in
D.
on
Show solution
Solution
'With' is used to indicate a relationship or association between two entities.
Correct Answer:
A
— with
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Q. Which preposition is used to indicate a specific time? (2021)
Show solution
Solution
The preposition 'at' is used to indicate a specific time, such as 'at 5 PM'.
Correct Answer:
A
— at
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Q. Which preposition is used to show direction? (2020)
A.
to
B.
with
C.
about
D.
for
Show solution
Solution
The preposition 'to' is used to show direction, as in 'going to the store'.
Correct Answer:
A
— to
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Q. Which principle explains why a ship floats on water?
A.
Archimedes' principle
B.
Bernoulli's principle
C.
Pascal's principle
D.
Newton's third law
Show solution
Solution
Archimedes' principle states that a body submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced.
Correct Answer:
A
— Archimedes' principle
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Q. Which principle states that the pressure exerted on a confined fluid is transmitted undiminished in all directions?
A.
Archimedes' Principle
B.
Pascal's Principle
C.
Bernoulli's Principle
D.
Hydrostatic Principle
Show solution
Solution
Pascal's Principle states that pressure applied to a confined fluid is transmitted undiminished in all directions.
Correct Answer:
B
— Pascal's Principle
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Q. Which principle states that the pressure in a fluid decreases as the fluid's velocity increases? (2022)
A.
Bernoulli's Principle
B.
Archimedes' Principle
C.
Pascal's Principle
D.
Hydrostatic Principle
Show solution
Solution
Bernoulli's Principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure.
Correct Answer:
A
— Bernoulli's Principle
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Q. Which process describes the movement of water from the roots to the leaves of a plant?
A.
Translocation
B.
Transpiration
C.
Absorption
D.
Capillarity
Show solution
Solution
Translocation refers to the movement of water and nutrients through the plant, specifically from the roots to the leaves.
Correct Answer:
A
— Translocation
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Q. Which process describes the movement of water from the roots to the leaves?
A.
Translocation
B.
Transpiration
C.
Absorption
D.
Capillarity
Show solution
Solution
Translocation refers to the movement of water and nutrients through the plant, specifically from the roots to the leaves.
Correct Answer:
A
— Translocation
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Q. Which process do plants use to convert sunlight into chemical energy? (2019)
A.
Respiration
B.
Photosynthesis
C.
Fermentation
D.
Transpiration
Show solution
Solution
Photosynthesis is the process by which plants convert sunlight into chemical energy stored in glucose.
Correct Answer:
B
— Photosynthesis
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