Q. What happens to the total resistance in a Wheatstone bridge when it is balanced?
A.
It is maximum.
B.
It is minimum.
C.
It is equal to the sum of all resistances.
D.
It is equal to the product of resistances.
Show solution
Solution
When the Wheatstone bridge is balanced, the total resistance is at a minimum for the given configuration.
Correct Answer:
B
— It is minimum.
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Q. What happens to the vapor pressure of a solution as the concentration of a non-volatile solute increases?
A.
It increases.
B.
It decreases.
C.
It remains constant.
D.
It fluctuates.
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Solution
As the concentration of a non-volatile solute increases, the vapor pressure of the solution decreases according to Raoult's Law.
Correct Answer:
B
— It decreases.
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Q. What happens to the vapor pressure of a solvent when a non-volatile solute is added?
A.
It increases
B.
It decreases
C.
It remains the same
D.
It fluctuates
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Solution
The vapor pressure of a solvent decreases when a non-volatile solute is added due to the solute particles occupying space at the surface.
Correct Answer:
B
— It decreases
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Q. What happens to the vapor pressure of a solvent when a volatile solute is added?
A.
It increases.
B.
It decreases.
C.
It remains the same.
D.
It becomes zero.
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Solution
The addition of a volatile solute decreases the vapor pressure of the solvent due to the presence of solute molecules.
Correct Answer:
B
— It decreases.
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Q. What happens to the viscosity of a gas as temperature increases?
A.
Viscosity decreases
B.
Viscosity increases
C.
Viscosity remains constant
D.
Viscosity fluctuates
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Solution
For gases, viscosity increases with an increase in temperature due to increased molecular activity and collisions.
Correct Answer:
B
— Viscosity increases
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Q. What happens to the viscosity of a liquid as temperature increases?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Varies unpredictably
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Solution
As temperature increases, the viscosity of a liquid generally decreases because the increased thermal energy allows the molecules to move more freely.
Correct Answer:
B
— Decreases
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Q. What happens to the viscosity of gases with an increase in temperature?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Varies randomly
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Solution
The viscosity of gases increases with an increase in temperature due to increased molecular motion.
Correct Answer:
A
— Increases
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Q. What happens to the voltage across a capacitor when it is fully charged?
A.
It becomes zero
B.
It equals the supply voltage
C.
It becomes negative
D.
It fluctuates
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Solution
When a capacitor is fully charged, the voltage across it equals the supply voltage.
Correct Answer:
B
— It equals the supply voltage
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Q. What happens to the volume of a gas if its temperature is increased at constant pressure?
A.
It decreases
B.
It increases
C.
It remains constant
D.
It becomes zero
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Solution
According to Charles's Law, at constant pressure, the volume of a gas increases with an increase in temperature.
Correct Answer:
B
— It increases
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Q. What happens to the volume of a gas if the temperature is increased at constant pressure?
A.
It decreases
B.
It increases
C.
It remains the same
D.
It becomes zero
Show solution
Solution
According to Charles's law, the volume of a gas increases with an increase in temperature at constant pressure.
Correct Answer:
B
— It increases
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Q. What happens to the volume of a gas when it is compressed? (2022)
A.
It increases
B.
It decreases
C.
It remains the same
D.
It becomes solid
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Solution
When a gas is compressed, the volume decreases because the particles are forced closer together.
Correct Answer:
B
— It decreases
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Q. What happens to the volume of a gas when its temperature increases at constant pressure? (2020)
A.
Volume decreases
B.
Volume remains constant
C.
Volume increases
D.
Volume fluctuates
Show solution
Solution
According to Charles's Law, the volume of a gas increases with an increase in temperature at constant pressure.
Correct Answer:
C
— Volume increases
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Q. What happens to the volume of a gas when its temperature is increased at constant pressure?
A.
It decreases
B.
It increases
C.
It remains constant
D.
It becomes zero
Show solution
Solution
According to Charles's Law, the volume of a gas increases with an increase in temperature at constant pressure.
Correct Answer:
B
— It increases
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Q. What happens to the volume of a gas when the pressure is increased at constant temperature?
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes zero
Show solution
Solution
According to Boyle's Law, the volume of a gas decreases when pressure increases at constant temperature.
Correct Answer:
B
— Decreases
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Q. What happens to the volume of a material when it is subjected to uniform pressure? (2019)
A.
It increases
B.
It decreases
C.
It remains the same
D.
It depends on the material
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Solution
Uniform pressure typically causes a decrease in volume, known as compression.
Correct Answer:
B
— It decreases
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Q. What happens to the volume of a solid when it is subjected to uniform pressure? (2019)
A.
It increases
B.
It decreases
C.
It remains the same
D.
It depends on the material
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Solution
The volume of a solid generally decreases when subjected to uniform pressure, as per the bulk modulus.
Correct Answer:
B
— It decreases
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Q. What happens to the weight of an object when it is taken to a height equal to the radius of the Earth?
A.
It becomes zero
B.
It is halved
C.
It is doubled
D.
It remains the same
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Solution
At a height equal to the radius of the Earth, the weight is halved due to the inverse square law of gravitation.
Correct Answer:
B
— It is halved
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Q. What happens to the Young's modulus of a material as temperature increases?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
Generally, the Young's modulus of materials decreases with an increase in temperature.
Correct Answer:
B
— Decreases
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Q. What happens to the Young's modulus of a material when it is heated?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It becomes zero
Show solution
Solution
Generally, the Young's modulus of a material decreases when it is heated due to increased atomic vibrations.
Correct Answer:
B
— It decreases
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Q. What hormone is primarily responsible for regulating blood glucose levels? (2020)
A.
Insulin
B.
Glucagon
C.
Cortisol
D.
Adrenaline
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Solution
Insulin is the hormone produced by the pancreas that lowers blood glucose levels by facilitating the uptake of glucose into cells.
Correct Answer:
A
— Insulin
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Q. What hormone is primarily responsible for regulating blood sugar levels? (2020)
A.
Insulin
B.
Glucagon
C.
Adrenaline
D.
Cortisol
Show solution
Solution
Insulin is the hormone produced by the pancreas that lowers blood sugar levels by facilitating the uptake of glucose into cells.
Correct Answer:
A
— Insulin
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Q. What inference can be drawn about the author's perspective on technology's role in education? (2023)
A.
Technology is detrimental to learning.
B.
Technology enhances educational opportunities.
C.
Technology should be avoided in classrooms.
D.
Technology is irrelevant to modern education.
Show solution
Solution
The author suggests that technology, when used effectively, can enhance educational opportunities and improve learning outcomes.
Correct Answer:
B
— Technology enhances educational opportunities.
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Q. What inference can be drawn about the author's perspective on technology? (2023)
A.
It is detrimental to personal relationships.
B.
It enhances communication and connectivity.
C.
It should be avoided in educational settings.
D.
It is a passing trend.
Show solution
Solution
The author suggests that technology enhances communication and connectivity, indicating a positive perspective on its role in modern society.
Correct Answer:
B
— It enhances communication and connectivity.
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Q. What inference can be drawn about the author's perspective on traditional education? (2022)
A.
It is outdated and ineffective.
B.
It is essential for foundational knowledge.
C.
It should be completely replaced by online learning.
D.
It fosters creativity and critical thinking.
Show solution
Solution
The author suggests that traditional education provides essential foundational knowledge, making option B the correct inference.
Correct Answer:
B
— It is essential for foundational knowledge.
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Q. What inference can be drawn about the author's perspective on traditional methods? (2023)
A.
They are completely ineffective.
B.
They have some merit but need updating.
C.
They should be abandoned entirely.
D.
They are superior to modern methods.
Show solution
Solution
The author acknowledges the value of traditional methods while suggesting they require modernization.
Correct Answer:
B
— They have some merit but need updating.
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Q. What inference can be drawn about the author's view on environmental issues?
A.
The author believes technology can solve environmental problems.
B.
The author thinks environmental issues are exaggerated.
C.
The author is indifferent to environmental concerns.
D.
The author believes technology worsens environmental issues.
Show solution
Solution
The passage suggests that the author believes technology has the potential to address and solve environmental challenges.
Correct Answer:
A
— The author believes technology can solve environmental problems.
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Q. What inference can be drawn about the author's view on globalization?
A.
Globalization is harmful to local cultures.
B.
Globalization fosters international cooperation.
C.
Globalization has no significant impact on economies.
D.
Globalization is a recent phenomenon.
Show solution
Solution
The passage discusses the benefits of globalization in promoting cooperation and understanding among nations.
Correct Answer:
B
— Globalization fosters international cooperation.
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Q. What inference can be drawn about the author's view on social media? (2023)
A.
The author believes social media is entirely harmful.
B.
The author sees social media as a double-edged sword.
C.
The author is indifferent to social media's impact.
D.
The author advocates for the complete ban of social media.
Show solution
Solution
The passage discusses both the positive and negative aspects of social media, indicating the author's nuanced view of it as a double-edged sword.
Correct Answer:
B
— The author sees social media as a double-edged sword.
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Q. What inference can be drawn about the CAT exam from the passage?
A.
It is primarily focused on quantitative skills.
B.
It requires a comprehensive understanding of language.
C.
It is less challenging than other competitive exams.
D.
It has a fixed pattern every year.
Show solution
Solution
The passage indicates that a strong grasp of language is essential for success in the CAT exam.
Correct Answer:
B
— It requires a comprehensive understanding of language.
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Q. What inference can be drawn about the demographic trends from the mixed graph?
A.
The population is aging rapidly.
B.
There is a steady increase in the youth population.
C.
Demographic trends show no significant changes.
D.
The population is becoming more diverse.
Show solution
Solution
The graph indicates an increase in diversity within the population, suggesting demographic trends are changing.
Correct Answer:
D
— The population is becoming more diverse.
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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!
