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 of the following is a square matrix? (2020)
A.
2x3
B.
3x3
C.
4x2
D.
5x1
Show solution
Solution
A square matrix is one where the number of rows is equal to the number of columns. Among the options, only 3x3 has equal rows and columns.
Correct Answer:
B
— 3x3
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Q. Which of the following is a state function?
A.
Work
B.
Heat
C.
Enthalpy
D.
All of the above
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Solution
Enthalpy is a state function, while work and heat are not state functions as they depend on the path taken.
Correct Answer:
C
— Enthalpy
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Q. Which of the following is a storage form of glucose in animals?
A.
Starch
B.
Cellulose
C.
Glycogen
D.
Chitin
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Solution
Glycogen is the storage form of glucose in animals, while starch serves this role in plants.
Correct Answer:
C
— Glycogen
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Q. Which of the following is a strong +I effect group?
A.
-F
B.
-Cl
C.
-Br
D.
-CH3
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Solution
The -CH3 group is a strong +I effect group as it donates electron density through the inductive effect.
Correct Answer:
D
— -CH3
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Q. Which of the following is a strong -M group?
A.
-OCH3
B.
-NO2
C.
-CH3
D.
-F
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Solution
-NO2 is a strong -M group as it withdraws electron density through resonance.
Correct Answer:
B
— -NO2
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Q. Which of the following is a strong acid?
A.
HCl
B.
CH3COOH
C.
H2CO3
D.
NH3
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Solution
HCl (hydrochloric acid) is a strong acid that completely dissociates in water.
Correct Answer:
A
— HCl
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Q. Which of the following is a strong acid? (2021) 2021
A.
HCl
B.
CH3COOH
C.
H2CO3
D.
NH3
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Solution
Hydrochloric acid (HCl) is a strong acid that completely dissociates in water.
Correct Answer:
A
— HCl
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Q. Which of the following is a strong acid? (2023) 2023
A.
Acetic acid
B.
Citric acid
C.
Hydrochloric acid
D.
Carbonic acid
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Solution
Hydrochloric acid (HCl) is a strong acid.
Correct Answer:
C
— Hydrochloric acid
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Q. Which of the following is a strong base?
A.
NH4OH
B.
NaOH
C.
CH3COONa
D.
K2CO3
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Solution
NaOH (sodium hydroxide) is a strong base that completely dissociates in solution.
Correct Answer:
B
— NaOH
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Q. Which of the following is a strong carboxylic acid?
A.
Formic acid
B.
Acetic acid
C.
Propanoic acid
D.
Butyric acid
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Solution
Formic acid is considered a stronger carboxylic acid compared to the others listed.
Correct Answer:
A
— Formic acid
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Q. Which of the following is a strong nucleophile?
A.
Water
B.
Ammonia
C.
Sodium chloride
D.
Hydrochloric acid
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Solution
Ammonia (NH3) is a strong nucleophile due to the presence of a lone pair of electrons on the nitrogen atom.
Correct Answer:
B
— Ammonia
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Q. Which of the following is a structural polysaccharide?
A.
Starch
B.
Glycogen
C.
Cellulose
D.
Maltose
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Solution
Cellulose is a structural polysaccharide found in the cell walls of plants.
Correct Answer:
C
— Cellulose
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Q. Which of the following is a subset of {1, 2, 3}?
A.
{1, 2}
B.
{4}
C.
{1, 2, 3, 4}
D.
{2, 3, 4}
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Solution
A subset is a set that contains elements from another set. {1, 2} is a subset of {1, 2, 3}.
Correct Answer:
A
— {1, 2}
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Q. Which of the following is a subset of {x, y, z}?
A.
{x, y}
B.
{x, y, z, w}
C.
{y, z, w}
D.
{x, y, z, x}
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Solution
A subset can only contain elements that are in the original set. {x, y} is a valid subset of {x, y, z}.
Correct Answer:
A
— {x, y}
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Q. Which of the following is a sustainable practice? (2021)
A.
Overfishing
B.
Monoculture farming
C.
Organic farming
D.
Deforestation
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Solution
Organic farming is considered a sustainable practice as it promotes biodiversity and reduces chemical inputs.
Correct Answer:
C
— Organic farming
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Q. Which of the following is a symmetric matrix? (2020)
A.
[[1, 2], [3, 4]]
B.
[[1, 2], [2, 1]]
C.
[[1, 0], [0, 1]]
D.
[[0, 1], [1, 0]]
Show solution
Solution
A symmetric matrix is one that is equal to its transpose. The matrix [[1, 2], [2, 1]] is symmetric.
Correct Answer:
B
— [[1, 2], [2, 1]]
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Q. Which of the following is a symptom of diabetes? (2020)
A.
Frequent urination
B.
High fever
C.
Coughing
D.
Skin rash
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Solution
Frequent urination is a common symptom of diabetes due to high blood sugar levels.
Correct Answer:
A
— Frequent urination
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Q. Which of the following is a symptom of malaria? (2018)
A.
High fever
B.
Cough
C.
Rash
D.
Nausea
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Solution
High fever is a common symptom of malaria, caused by Plasmodium parasites.
Correct Answer:
A
— High fever
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Q. Which of the following is a symptom of potassium deficiency in plants? (2022)
A.
Stunted growth
B.
Leaf curling
C.
Necrosis of leaf tips
D.
Yellowing of leaves
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Solution
Necrosis of leaf tips is a common symptom of potassium deficiency, as potassium is vital for various physiological processes.
Correct Answer:
C
— Necrosis of leaf tips
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Q. Which of the following is a symptom of tuberculosis? (2019)
A.
High fever
B.
Persistent cough
C.
Skin rash
D.
Joint pain
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Solution
A persistent cough is a common symptom of tuberculosis, along with other respiratory issues.
Correct Answer:
B
— Persistent cough
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Q. Which of the following is a synonym for 'deceive'?
A.
trick
B.
assist
C.
support
D.
help
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Solution
'Trick' is a synonym for 'deceive', meaning to mislead or fool someone.
Correct Answer:
A
— trick
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Q. Which of the following is a synonym for 'difficult'?
A.
Easy
B.
Challenging
C.
Simple
D.
Straightforward
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Solution
'Difficult' means challenging, so the synonym is 'challenging'.
Correct Answer:
B
— Challenging
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Q. Which of the following is a synonym for 'elated'?
A.
depressed
B.
joyful
C.
angry
D.
disappointed
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Solution
'Elated' means very happy or proud; therefore, the synonym is 'joyful'.
Correct Answer:
B
— joyful
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Q. Which of the following is a synonym for 'kin'?
A.
Stranger
B.
Relative
C.
Friend
D.
Acquaintance
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Solution
'Kin' refers to family or relatives, making 'relative' the correct synonym.
Correct Answer:
B
— Relative
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Q. Which of the following is a synonym for 'navigate'?
A.
Guide
B.
Mislead
C.
Wander
D.
Stumble
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Solution
To 'navigate' means to 'guide' through a route.
Correct Answer:
A
— Guide
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Q. Which of the following is a synonym for 'obscure'?
A.
clear
B.
famous
C.
unknown
D.
bright
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Solution
'Unknown' is a synonym for 'obscure', which means not well-known or unclear.
Correct Answer:
C
— unknown
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Q. Which of the following is a synonym for 'punctual'?
A.
Late
B.
On time
C.
Early
D.
Delayed
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Solution
'Punctual' means being on time, so the synonym is 'On time'.
Correct Answer:
B
— On time
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Q. Which of the following is a synonym for 'Quick'? (2023)
A.
Fast
B.
Slow
C.
Lazy
D.
Calm
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Solution
'Fast' means the same as 'Quick'.
Correct Answer:
A
— Fast
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Q. Which of the following is a synonym of 'quick'?
A.
Slow
B.
Fast
C.
Lazy
D.
Dull
Show solution
Solution
'Fast' is a synonym of 'quick'.
Correct Answer:
B
— Fast
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Q. Which of the following is a synthetic dye used in food? (2023)
A.
Curcumin
B.
Tartrazine
C.
Beetroot red
D.
Carotene
Show solution
Solution
Tartrazine is a synthetic yellow dye commonly used in food products.
Correct Answer:
B
— Tartrazine
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