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 hexadecimal representation of the decimal number 16? (2023)
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Solution
In hexadecimal, the decimal number 16 is represented as 10.
Correct Answer:
A
— 10
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Q. What is the highest civilian award in India? (1954)
A.
Padma Vibhushan
B.
Bharat Ratna
C.
Padma Bhushan
D.
Mahatma Gandhi Peace Prize
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Solution
The Bharat Ratna is the highest civilian award in India, awarded for exceptional service towards the advancement of art, literature, and science.
Correct Answer:
B
— Bharat Ratna
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Q. What is the highest peak in India?
A.
K2
B.
Kangchenjunga
C.
Nanda Devi
D.
Mount Everest
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Solution
Kangchenjunga is the highest peak in India, standing at 8,586 meters.
Correct Answer:
B
— Kangchenjunga
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Q. What is the hybridization of a molecule with a tetrahedral shape?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
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Solution
A tetrahedral shape corresponds to sp3 hybridization.
Correct Answer:
C
— sp3
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Q. What is the hybridization of carbon atoms in benzene?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
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Solution
The carbon atoms in benzene are sp2 hybridized, forming a planar structure with 120-degree bond angles.
Correct Answer:
B
— sp2
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Q. What is the hybridization of nitrogen in a primary amine?
A.
sp
B.
sp2
C.
sp3
D.
None of the above
Show solution
Solution
The nitrogen in a primary amine is sp3 hybridized.
Correct Answer:
C
— sp3
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Q. What is the hybridization of nitrogen in amines?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
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Solution
Nitrogen in amines is sp3 hybridized due to the presence of three substituents and a lone pair.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the carbon atom in acetylene (C2H2)?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Solution
In acetylene, each carbon atom is sp hybridized, forming a triple bond between them.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atom in CO2?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Solution
In CO2, the carbon atom forms two double bonds with oxygen atoms, indicating sp hybridization.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atom in ethylene (C2H4)?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
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Solution
In ethylene, each carbon atom is sp2 hybridized, forming a double bond with the other carbon.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atom in ethyne (C2H2)?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Solution
The carbon atoms in ethyne (C2H2) are sp hybridized due to the triple bond between them.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atoms in alkenes?
A.
sp
B.
sp2
C.
sp3
D.
None of the above
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Solution
The carbon atoms in alkenes are sp2 hybridized due to the presence of a double bond.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atoms in an alkyne?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Solution
In alkynes, the carbon atoms involved in the triple bond are sp hybridized.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atoms in benzene?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The carbon atoms in benzene are sp2 hybridized, forming a planar structure with 120-degree bond angles.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atoms in ethylene (C2H4)?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
The carbon atoms in ethylene (C2H4) are sp2 hybridized due to the presence of a double bond.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the carbon atoms in ethyne (C2H2)?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In ethyne, the carbon atoms are sp hybridized due to the presence of a triple bond.
Correct Answer:
A
— sp
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Q. What is the hybridization of the carbon atoms involved in the double bond of alkenes?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
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Solution
The carbon atoms in the double bond of alkenes are sp2 hybridized.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in a molecule with a tetrahedral shape?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
A tetrahedral shape corresponds to sp3 hybridization.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in CH4?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
In CH4, the central carbon atom forms four equivalent bonds with hydrogen atoms, indicating sp3 hybridization.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in CO2?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The carbon atom in CO2 is sp hybridized, forming two double bonds with oxygen atoms.
Correct Answer:
A
— sp
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Q. What is the hybridization of the central atom in H2O?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Solution
Oxygen in H2O is sp3 hybridized, forming two bonds and two lone pairs.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in N2O?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
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Solution
The central nitrogen atom in N2O is sp hybridized, leading to a linear arrangement.
Correct Answer:
A
— sp
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Q. What is the hybridization of the central atom in NH3?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
Show solution
Solution
The central nitrogen atom in NH3 is sp3 hybridized due to three bonding pairs and one lone pair.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in NH4+?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The central atom nitrogen in NH4+ undergoes sp3 hybridization to form four equivalent bonds with hydrogen.
Correct Answer:
C
— sp3
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Q. What is the hybridization of the central atom in O3 (ozone)?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
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Solution
The central oxygen atom in O3 is sp2 hybridized, leading to a bent molecular shape.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in ozone (O3)?
A.
sp
B.
sp2
C.
sp3
D.
dsp2
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Solution
In ozone (O3), the central oxygen atom is sp2 hybridized, resulting in a bent molecular shape.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in PCl5?
A.
sp
B.
sp2
C.
sp3
D.
sp3d
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Solution
In PCl5, phosphorus is sp3d hybridized, allowing for five bonding pairs.
Correct Answer:
D
— sp3d
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Q. What is the hybridization of the central atom in SF6?
A.
sp
B.
sp2
C.
sp3
D.
sp3d2
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Solution
The central sulfur atom in SF6 is surrounded by six fluorine atoms, leading to an octahedral geometry and sp3d2 hybridization.
Correct Answer:
D
— sp3d2
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Q. What is the hybridization of the central atom in SO2?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The sulfur atom in SO2 is sp2 hybridized, forming one double bond and one single bond.
Correct Answer:
B
— sp2
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Q. What is the hybridization of the central atom in XeF4?
A.
sp
B.
sp2
C.
sp3
D.
dsp3
Show solution
Solution
The xenon atom in XeF4 is dsp3 hybridized, resulting in a square planar geometry.
Correct Answer:
D
— dsp3
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