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 functional group present in alcohols? (2023) 2023
A.
Aldehyde
B.
Ketone
C.
Hydroxyl
D.
Carboxylic acid
Show solution
Solution
Alcohols contain a hydroxyl (-OH) functional group.
Correct Answer:
C
— Hydroxyl
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Q. What is the functional group present in carboxylic acids?
A.
Hydroxyl group
B.
Carbonyl group
C.
Carboxyl group
D.
Amino group
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Solution
Carboxylic acids contain the carboxyl group (-COOH), which is the defining feature of this class of compounds.
Correct Answer:
C
— Carboxyl group
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Q. What is the functional group present in ketones?
A.
-CHO
B.
-CO-
C.
-OH
D.
-C=O
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Solution
Ketones contain the functional group -CO- (carbonyl group) between two carbon atoms.
Correct Answer:
B
— -CO-
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Q. What is the functional group present in phenols? (2021)
A.
-OH
B.
-COOH
C.
-CHO
D.
-NH2
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Solution
Phenols contain a hydroxyl group (-OH) directly attached to an aromatic hydrocarbon group.
Correct Answer:
A
— -OH
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Q. What is the functional group present in phenols? (2021) 2021
A.
-OH
B.
-COOH
C.
-CHO
D.
-NH2
Show solution
Solution
Phenols contain a hydroxyl group (-OH) directly attached to an aromatic hydrocarbon group.
Correct Answer:
A
— -OH
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Q. What is the functional unit of the lung where gas exchange occurs? (2019)
A.
Bronchi
B.
Alveoli
C.
Trachea
D.
Larynx
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Solution
Alveoli are the tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
Correct Answer:
B
— Alveoli
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Q. What is the fundamental frequency of a pipe open at both ends if its length is 2 m?
A.
85 Hz
B.
170 Hz
C.
340 Hz
D.
425 Hz
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Solution
The fundamental frequency is given by f = v/λ. For a pipe open at both ends, λ = 2L = 4 m. Thus, f = 343 m/s / 4 m = 85.75 Hz, approximately 85 Hz.
Correct Answer:
B
— 170 Hz
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Q. What is the fundamental frequency of a pipe open at both ends that is 2 meters long?
A.
85 Hz
B.
170 Hz
C.
340 Hz
D.
425 Hz
Show solution
Solution
The fundamental frequency is given by f = v/λ; for a pipe open at both ends, λ = 2L, so f = v/(2L) = 343/(2*2) = 42.875 Hz.
Correct Answer:
B
— 170 Hz
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Q. What is the future tense of the verb 'to eat'?
A.
eats
B.
ate
C.
eating
D.
will eat
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Solution
Will eat is the correct future tense form.
Correct Answer:
D
— will eat
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Q. What is the future tense of the verb 'to write'? (2019)
A.
Wrote
B.
Writing
C.
Writes
D.
Will write
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Solution
Will write indicates an action that will happen in the future.
Correct Answer:
D
— Will write
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Q. What is the GCF of 24 and 36?
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Solution
The GCF of 24 and 36 is 12, as it is the largest number that divides both without leaving a remainder.
Correct Answer:
B
— 12
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Q. What is the GDP growth rate of India for the financial year 2021-22?
A.
6.5%
B.
8.4%
C.
7.2%
D.
9.1%
Show solution
Solution
The GDP growth rate of India for the financial year 2021-22 was 8.4%.
Correct Answer:
B
— 8.4%
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Q. What is the GDP growth rate of India projected for 2023? (2023)
A.
5.5%
B.
6.0%
C.
6.8%
D.
7.5%
Show solution
Solution
The GDP growth rate of India is projected to be around 6.8% for 2023.
Correct Answer:
C
— 6.8%
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Q. What is the general electronic configuration of alkali metals? (2022)
A.
ns^1
B.
ns^2
C.
ns^2np^1
D.
ns^2np^2
Show solution
Solution
The general electronic configuration of alkali metals is ns^1, where n is the principal quantum number.
Correct Answer:
A
— ns^1
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Q. What is the general form of the equation for a damped harmonic oscillator?
A.
x(t) = A cos(ωt)
B.
x(t) = A e^(-bt) cos(ωt)
C.
x(t) = A sin(ωt)
D.
x(t) = A e^(bt) cos(ωt)
Show solution
Solution
The equation x(t) = A e^(-bt) cos(ωt) describes the motion of a damped harmonic oscillator.
Correct Answer:
B
— x(t) = A e^(-bt) cos(ωt)
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Q. What is the general form of the equation of motion for a damped harmonic oscillator?
A.
m d²x/dt² + b dx/dt + kx = 0
B.
m d²x/dt² + kx = 0
C.
m d²x/dt² + b dx/dt = 0
D.
m d²x/dt² + b dx/dt + kx = F(t)
Show solution
Solution
The equation of motion for a damped harmonic oscillator includes a damping term and is given by m d²x/dt² + b dx/dt + kx = 0.
Correct Answer:
A
— m d²x/dt² + b dx/dt + kx = 0
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Q. What is the general form of the equation of motion for a damped oscillator?
A.
m d²x/dt² + b dx/dt + kx = 0
B.
m d²x/dt² + kx = 0
C.
m d²x/dt² + b dx/dt = 0
D.
m d²x/dt² + b dx/dt + kx = F(t)
Show solution
Solution
The equation of motion for a damped oscillator includes a damping term (b dx/dt) along with the restoring force (kx).
Correct Answer:
A
— m d²x/dt² + b dx/dt + kx = 0
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Q. What is the general form of the family of curves for the equation x^2 + y^2 = r^2?
A.
Ellipses
B.
Hyperbolas
C.
Circles
D.
Parabolas
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Solution
The equation x^2 + y^2 = r^2 represents a family of circles with varying radii (r).
Correct Answer:
C
— Circles
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Q. What is the general form of the family of curves represented by the equation x^2 + y^2 = r^2?
A.
Circles with radius r
B.
Ellipses with semi-major axis r
C.
Hyperbolas with transverse axis r
D.
Straight lines with slope r
Show solution
Solution
The equation x^2 + y^2 = r^2 represents a family of circles with radius r centered at the origin.
Correct Answer:
A
— Circles with radius r
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Q. What is the general form of the family of curves represented by the equation y = mx^2 + c?
A.
Parabolas
B.
Circles
C.
Ellipses
D.
Hyperbolas
Show solution
Solution
The equation y = mx^2 + c represents a family of parabolas that open upwards or downwards depending on the sign of m.
Correct Answer:
A
— Parabolas
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Q. What is the general form of the family of curves represented by y^2 = 4ax?
A.
Parabolas opening to the right
B.
Circles with varying centers
C.
Ellipses with varying foci
D.
Hyperbolas with varying asymptotes
Show solution
Solution
The equation y^2 = 4ax represents a family of parabolas that open to the right with varying values of 'a'.
Correct Answer:
A
— Parabolas opening to the right
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Q. What is the general formula for aldehydes? (2023)
A.
C_nH_(2n)
B.
C_nH_(2n+1)CHO
C.
C_nH_(2n+2)
D.
C_nH_(2n-1)CHO
Show solution
Solution
The general formula for aldehydes is C_nH_(2n+1)CHO, where n is the number of carbon atoms.
Correct Answer:
B
— C_nH_(2n+1)CHO
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Q. What is the general formula for alkanes?
A.
C_nH_(2n)
B.
C_nH_(2n+2)
C.
C_nH_(2n-2)
D.
C_nH_(n)
Show solution
Solution
The general formula for alkanes is C_nH_(2n+2).
Correct Answer:
B
— C_nH_(2n+2)
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Q. What is the general formula for alkenes?
A.
C_nH_(2n)
B.
C_nH_(2n+2)
C.
C_nH_(2n-2)
D.
C_nH_(2n+1)
Show solution
Solution
Alkenes are unsaturated hydrocarbons with the general formula CnH2n.
Correct Answer:
A
— C_nH_(2n)
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Q. What is the general formula for alkynes?
A.
C_nH_(2n+2)
B.
C_nH_(2n)
C.
C_nH_(2n-2)
D.
C_nH_(2n-1)
Show solution
Solution
The general formula for alkynes is C_nH_(2n-2), where n is the number of carbon atoms.
Correct Answer:
C
— C_nH_(2n-2)
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Q. What is the general formula for carbohydrates?
A.
C_n(H2O)_n
B.
C_nH_nO_n
C.
C_nH_2nO_n
D.
C_nH_2O_n
Show solution
Solution
The general formula for carbohydrates is C_n(H2O)_n, indicating that they are hydrates of carbon.
Correct Answer:
A
— C_n(H2O)_n
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Q. What is the general formula for carboxylic acids?
A.
C_nH_2nO_2
B.
C_nH_2n+1COOH
C.
C_nH_2nO
D.
C_nH_2n+2O
Show solution
Solution
The general formula for carboxylic acids is C_nH_2nO_2.
Correct Answer:
A
— C_nH_2nO_2
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Q. What is the general formula for cycloalkanes?
A.
CnH2n
B.
CnH2n+2
C.
CnH2n-2
D.
CnH2n-4
Show solution
Solution
The general formula for cycloalkanes is CnH2n.
Correct Answer:
A
— CnH2n
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Q. What is the general formula for ketones?
A.
CnH2nO
B.
CnH2n+2O
C.
CnH2n-2O
D.
CnH2nO2
Show solution
Solution
The general formula for ketones is CnH2nO, where n is the number of carbon atoms.
Correct Answer:
A
— CnH2nO
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Q. What is the general formula for secondary amines? (2021) 2021
A.
RNH2
B.
R2NH
C.
R3N
D.
RNH
Show solution
Solution
The general formula for secondary amines is R2NH, where R represents an alkyl or aryl group.
Correct Answer:
B
— R2NH
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