Q. Which of the following compounds will have the highest electron density at the ortho position due to +M effect?
-
A.
C6H5NO2
-
B.
C6H5OH
-
C.
C6H5Cl
-
D.
C6H5CH3
Solution
C6H5OH has the highest electron density at the ortho position due to the +M effect of the -OH group.
Correct Answer:
B
— C6H5OH
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Q. Which of the following compounds will have the highest electron density due to +M effect?
-
A.
Phenol
-
B.
Benzaldehyde
-
C.
Nitrobenzene
-
D.
Aniline
Solution
Aniline has the highest electron density due to the +M effect of the amino group.
Correct Answer:
D
— Aniline
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Q. Which of the following compounds will undergo nucleophilic substitution via an SN1 mechanism?
-
A.
1-chloropropane
-
B.
2-chloropropane
-
C.
3-chloropropane
-
D.
chlorobenzene
Solution
3-chloropropane is a tertiary haloalkane, which favors the SN1 mechanism due to the formation of a stable tertiary carbocation.
Correct Answer:
C
— 3-chloropropane
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Q. Which of the following compounds would be most acidic due to the inductive effect?
-
A.
CH3COOH
-
B.
ClCH2COOH
-
C.
FCH2COOH
-
D.
BrCH2COOH
Solution
FCH2COOH is the most acidic due to the strong -I effect of the fluorine atom.
Correct Answer:
C
— FCH2COOH
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Q. Which of the following compounds would be most stabilized by +M effect?
-
A.
Phenol
-
B.
Acetic acid
-
C.
Chloroethane
-
D.
Nitrobenzene
Solution
Phenol is stabilized by the +M effect due to the presence of the -OH group, which donates electron density.
Correct Answer:
A
— Phenol
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Q. Which of the following concepts does not align with the theme of innovation? (2021)
-
A.
Creativity in problem-solving.
-
B.
Adapting to change.
-
C.
Sticking to traditional methods.
-
D.
Embracing new technologies.
Solution
Sticking to traditional methods does not align with the theme of innovation, which encourages change and creativity.
Correct Answer:
C
— Sticking to traditional methods.
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Q. Which of the following concepts does not belong in a discussion about renewable energy?
-
A.
Solar power
-
B.
Wind energy
-
C.
Fossil fuels
-
D.
Hydropower
Solution
Fossil fuels are non-renewable, while the others are forms of renewable energy.
Correct Answer:
C
— Fossil fuels
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Q. Which of the following concepts is least associated with economics? (2023)
-
A.
Supply and Demand
-
B.
Inflation
-
C.
Monetary Policy
-
D.
Creativity
Solution
Creativity is not a fundamental concept in economics, while the others are key economic principles.
Correct Answer:
D
— Creativity
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Q. Which of the following concepts is least associated with technology? (2023)
-
A.
Innovation
-
B.
Automation
-
C.
Obsolescence
-
D.
Tradition
Solution
Tradition is not associated with technology, while the others are directly related to technological advancements.
Correct Answer:
D
— Tradition
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Q. Which of the following concepts is least related to the field of economics?
-
A.
Supply
-
B.
Demand
-
C.
Inflation
-
D.
Symbiosis
Solution
'Symbiosis' is a biological term describing a relationship between organisms, while the others are economic concepts.
Correct Answer:
D
— Symbiosis
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Q. Which of the following concepts is least related to the field of psychology?
-
A.
Cognition
-
B.
Behavior
-
C.
Emotion
-
D.
Algorithm
Solution
'Algorithm' is a computational term, while the others are fundamental concepts in psychology.
Correct Answer:
D
— Algorithm
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Q. Which of the following concepts is least related to the theme of 'innovation'? (2023)
-
A.
Creativity
-
B.
Tradition
-
C.
Technology
-
D.
Invention
Solution
Tradition often implies adherence to established practices, which contrasts with the idea of innovation.
Correct Answer:
B
— Tradition
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Q. Which of the following concepts is least relevant to the study of history?
-
A.
Chronology
-
B.
Artifact
-
C.
Narrative
-
D.
Algorithm
Solution
'Algorithm' pertains to mathematics and computer science, making it irrelevant to historical study.
Correct Answer:
D
— Algorithm
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Q. Which of the following concepts is not related to economics?
-
A.
Supply
-
B.
Demand
-
C.
Inflation
-
D.
Symbiosis
Solution
'Symbiosis' is a biological term describing interactions between organisms, while the others are economic concepts.
Correct Answer:
D
— Symbiosis
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Q. Which of the following conclusions can be drawn from the bar graph regarding consumer preferences?
-
A.
Consumers prefer Brand A over Brand B
-
B.
Brand C is gaining popularity
-
C.
Brand D has stable sales
-
D.
All brands are equally preferred
Solution
The bar graph suggests that Brand C is gaining popularity among consumers.
Correct Answer:
B
— Brand C is gaining popularity
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Q. Which of the following conclusions can be drawn from the line graph regarding the overall market performance of the three products?
-
A.
All products are performing equally
-
B.
One product is dominating the market
-
C.
Sales are declining for all products
-
D.
Market performance is unpredictable
Solution
The graph shows that one product consistently outperformed the others, indicating market dominance.
Correct Answer:
B
— One product is dominating the market
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Q. Which of the following conditions can lead to decreased lung compliance? (2021)
-
A.
Asthma
-
B.
Pneumonia
-
C.
Emphysema
-
D.
Chronic bronchitis
Solution
Pneumonia can lead to decreased lung compliance due to fluid accumulation in the alveoli, making it harder for the lungs to expand.
Correct Answer:
B
— Pneumonia
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Q. Which of the following conditions can lead to impaired gas exchange in the lungs? (2021)
-
A.
Asthma
-
B.
Hypertension
-
C.
Diabetes
-
D.
Anemia
Solution
Asthma can cause inflammation and constriction of the airways, leading to impaired gas exchange in the lungs.
Correct Answer:
A
— Asthma
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Q. Which of the following conditions can lead to respiratory acidosis? (2019)
-
A.
Hyperventilation
-
B.
Hypoventilation
-
C.
Normal ventilation
-
D.
Increased oxygen intake
Solution
Hypoventilation leads to an accumulation of carbon dioxide in the blood, resulting in respiratory acidosis.
Correct Answer:
B
— Hypoventilation
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Q. Which of the following conditions can lead to the presence of protein in urine? (2023)
-
A.
Dehydration
-
B.
Kidney disease
-
C.
High protein diet
-
D.
All of the above
Solution
All of the above conditions can lead to proteinuria, which is the presence of protein in urine, indicating possible kidney issues.
Correct Answer:
D
— All of the above
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Q. Which of the following conditions is characterized by difficulty in breathing due to narrowed airways? (2020)
-
A.
Asthma
-
B.
Pneumonia
-
C.
Bronchitis
-
D.
Emphysema
Solution
Asthma is a condition that causes difficulty in breathing due to the narrowing of airways.
Correct Answer:
A
— Asthma
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Q. Which of the following conditions is necessary for total internal reflection to occur?
-
A.
Light must travel from a denser to a rarer medium
-
B.
Light must travel from a rarer to a denser medium
-
C.
The angle of incidence must be less than the critical angle
-
D.
The angle of incidence must be equal to the critical angle
Solution
Total internal reflection occurs only when light travels from a denser medium to a rarer medium and the angle of incidence exceeds the critical angle.
Correct Answer:
A
— Light must travel from a denser to a rarer medium
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Q. Which of the following conditions must be satisfied for a rigid body to be in static equilibrium?
-
A.
Sum of forces is zero and sum of moments is zero
-
B.
Only sum of forces is zero
-
C.
Only sum of moments is zero
-
D.
Sum of forces and moments can be non-zero
Solution
A rigid body is in static equilibrium when both the sum of forces and the sum of moments about any point are zero.
Correct Answer:
A
— Sum of forces is zero and sum of moments is zero
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Q. Which of the following conditions must be satisfied for total internal reflection to occur?
-
A.
Light must travel from a denser to a rarer medium.
-
B.
Light must travel from a rarer to a denser medium.
-
C.
The angle of incidence must be less than the critical angle.
-
D.
The angle of incidence must be equal to the critical angle.
Solution
Total internal reflection occurs when light travels from a denser medium to a rarer medium and the angle of incidence exceeds the critical angle.
Correct Answer:
A
— Light must travel from a denser to a rarer medium.
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Q. Which of the following conditions will favor the spontaneity of a reaction?
-
A.
High ΔH and low ΔS
-
B.
Low ΔH and high ΔS
-
C.
High ΔH and high ΔS
-
D.
Low ΔH and low ΔS
Solution
A reaction is favored when it has low ΔH (exothermic) and high ΔS (increased disorder).
Correct Answer:
B
— Low ΔH and high ΔS
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Q. Which of the following conditions will lead to a decrease in Gibbs Free Energy?
-
A.
Increasing temperature for an exothermic reaction.
-
B.
Decreasing entropy.
-
C.
Increasing pressure for a gas-phase reaction.
-
D.
Increasing ΔH.
Solution
Increasing temperature for an exothermic reaction (ΔH < 0) can lead to a decrease in Gibbs Free Energy, making the reaction more spontaneous.
Correct Answer:
A
— Increasing temperature for an exothermic reaction.
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Q. Which of the following conditions will lead to a negative ΔG?
-
A.
High temperature and low ΔH
-
B.
Low temperature and high ΔH
-
C.
High temperature and high ΔS
-
D.
Low temperature and low ΔS
Solution
A high temperature and high ΔS will favor a negative ΔG, making the process spontaneous.
Correct Answer:
C
— High temperature and high ΔS
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Q. Which of the following conditions will lead to a positive ΔG?
-
A.
High temperature and low entropy.
-
B.
Low temperature and high enthalpy.
-
C.
High temperature and high entropy.
-
D.
Low temperature and low enthalpy.
Solution
A positive ΔG can occur at low temperatures when the enthalpy is high, making the reaction non-spontaneous.
Correct Answer:
B
— Low temperature and high enthalpy.
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Q. Which of the following conditions will lead to a spontaneous reaction?
-
A.
ΔH > 0 and ΔS < 0
-
B.
ΔH < 0 and ΔS > 0
-
C.
ΔH > 0 and ΔS > 0
-
D.
ΔH < 0 and ΔS < 0
Solution
A spontaneous reaction occurs when ΔG < 0. This is true for ΔH < 0 and ΔS > 0, as it leads to a negative ΔG.
Correct Answer:
B
— ΔH < 0 and ΔS > 0
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Q. Which of the following configurations can be analyzed using Ampere's Law?
-
A.
A point charge
-
B.
A charged capacitor
-
C.
A long straight wire
-
D.
A dipole
Solution
Ampere's Law is applicable to configurations with symmetry, such as a long straight wire carrying current.
Correct Answer:
C
— A long straight wire
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