Q. Which of the following best describes a function that is one-to-one?
A.
Each output is paired with exactly one input.
B.
Each input corresponds to multiple outputs.
C.
The graph is symmetric about the origin.
D.
The function is always increasing.
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Solution
A one-to-one function has each output paired with exactly one input, meaning it passes the horizontal line test.
Correct Answer:
A
— Each output is paired with exactly one input.
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Q. Which of the following best describes a function that is periodic?
A.
It has a constant value.
B.
It repeats its values at regular intervals.
C.
It is always increasing.
D.
It has no maximum or minimum values.
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Solution
A periodic function is one that repeats its values at regular intervals, such as sine and cosine functions.
Correct Answer:
B
— It repeats its values at regular intervals.
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Q. Which of the following best describes a limited partnership?
A.
All partners have unlimited liability.
B.
Only one partner has unlimited liability.
C.
All partners are involved in management.
D.
Partners share profits equally.
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Solution
In a limited partnership, only one partner has unlimited liability while others have limited liability.
Correct Answer:
B
— Only one partner has unlimited liability.
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Q. Which of the following best describes a numeral system's base?
A.
The number of unique digits used.
B.
The total number of digits in a number.
C.
The maximum value a digit can hold.
D.
The position of a digit in a number.
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Solution
The base of a numeral system refers to the number of unique digits used in that system.
Correct Answer:
A
— The number of unique digits used.
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Q. Which of the following best describes a polygon with all sides and angles equal? (2023)
A.
Regular polygon
B.
Irregular polygon
C.
Convex polygon
D.
Concave polygon
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Solution
A polygon with all sides and angles equal is defined as a regular polygon.
Correct Answer:
A
— Regular polygon
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Q. Which of the following best describes a population? (2020)
A.
All organisms in a biome
B.
All individuals of a species in a given area
C.
All living organisms in an ecosystem
D.
All species in a community
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Solution
A population is defined as all individuals of a particular species that live in a specific area.
Correct Answer:
B
— All individuals of a species in a given area
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Q. Which of the following best describes a positional numeral system?
A.
It uses fixed symbols for each value.
B.
The position of a digit affects its value.
C.
It is limited to a specific number of digits.
D.
It does not allow for zero.
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Solution
In a positional numeral system, the position of a digit determines its value, such as in decimal or binary systems.
Correct Answer:
B
— The position of a digit affects its value.
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Q. Which of the following best describes a regular polygon?
A.
A polygon with all sides of different lengths.
B.
A polygon with all angles equal and all sides equal.
C.
A polygon that can be inscribed in a circle.
D.
A polygon with at least one angle greater than 180 degrees.
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Solution
A regular polygon is defined as a polygon where all sides and angles are equal, making option 2 the correct description.
Correct Answer:
B
— A polygon with all angles equal and all sides equal.
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Q. Which of the following best describes a subset in the context of constraint-based sets?
A.
A set that contains all elements of another set.
B.
A set that contains some but not all elements of another set.
C.
A set that has no elements in common with another set.
D.
A set that is equal to another set.
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Solution
A subset includes some elements of another set but not necessarily all of them.
Correct Answer:
B
— A set that contains some but not all elements of another set.
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Q. Which of the following best describes a trophic level? (2023)
A.
A group of organisms that share the same habitat
B.
A level in a food chain or food web
C.
The total biomass of an ecosystem
D.
The number of species in an ecosystem
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Solution
A trophic level refers to the position an organism occupies in a food chain or food web, indicating its role in energy transfer.
Correct Answer:
B
— A level in a food chain or food web
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Q. Which of the following best describes adaptive radiation? (2012)
A.
Rapid evolution of many species from a common ancestor
B.
Evolution of similar traits in unrelated species
C.
Gradual change in a species over time
D.
Extinction of species due to environmental changes
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Solution
Adaptive radiation refers to the rapid evolution of many species from a common ancestor, often in response to new environmental opportunities.
Correct Answer:
A
— Rapid evolution of many species from a common ancestor
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Q. Which of the following best describes an ecosystem? (2023)
A.
A community of organisms interacting with each other
B.
A physical environment with no living organisms
C.
A group of similar species
D.
A community of living organisms interacting with their environment
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Solution
An ecosystem is defined as a community of living organisms interacting with their physical environment.
Correct Answer:
D
— A community of living organisms interacting with their environment
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Q. Which of the following best describes figural memory? (2022)
A.
Memory for facts and concepts
B.
Memory for visual and spatial information
C.
Memory for language and grammar
D.
Memory for emotional experiences
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Solution
Figural memory pertains to the recall of visual and spatial information.
Correct Answer:
B
— Memory for visual and spatial information
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Q. Which of the following best describes genetic drift? (2022)
A.
Change in allele frequencies due to random sampling
B.
Change in allele frequencies due to natural selection
C.
Change in allele frequencies due to mutation
D.
Change in allele frequencies due to gene flow
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Solution
Genetic drift refers to random changes in allele frequencies in a population, often having a more significant effect in small populations.
Correct Answer:
A
— Change in allele frequencies due to random sampling
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Q. Which of the following best describes plasma?
A.
A solid with high density
B.
A gas with low density
C.
An ionized gas
D.
A liquid at high temperature
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Solution
Plasma is an ionized gas consisting of free electrons and ions, typically found at high temperatures.
Correct Answer:
C
— An ionized gas
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Q. Which of the following best describes potential energy? (2022)
A.
Energy of motion
B.
Energy stored due to position
C.
Energy transferred through heat
D.
Energy due to mass
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Solution
Potential energy is the energy stored in an object due to its position or configuration, such as an object held at a height.
Correct Answer:
B
— Energy stored due to position
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Q. Which of the following best describes the 'Digital India' initiative?
A.
A program aimed at increasing internet penetration in rural areas.
B.
An initiative to promote digital literacy among the elderly population.
C.
A campaign to digitize government services and promote digital infrastructure.
D.
A project focused on developing software for government operations.
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Solution
Digital India aims to transform India into a digitally empowered society and knowledge economy by enhancing digital infrastructure.
Correct Answer:
C
— A campaign to digitize government services and promote digital infrastructure.
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Q. Which of the following best describes the 'norming' stage of team development?
A.
Team members are in conflict
B.
Team members establish norms and work collaboratively
C.
Team members are forming initial relationships
D.
Team members are performing tasks independently
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Solution
The 'norming' stage is characterized by team members establishing norms and working collaboratively towards common goals.
Correct Answer:
B
— Team members establish norms and work collaboratively
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Q. Which of the following best describes the 'Pythagorean theorem'?
A.
It relates the angles of a triangle.
B.
It provides a formula for the area of a circle.
C.
It establishes a relationship between the sides of a right triangle.
D.
It is used to calculate the volume of three-dimensional shapes.
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Solution
The Pythagorean theorem establishes a relationship between the lengths of the sides of a right triangle, specifically stating that the square of the hypotenuse is equal to the sum of the squares of the other two sides.
Correct Answer:
C
— It establishes a relationship between the sides of a right triangle.
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Q. Which of the following best describes the 'slope' of a linear function as mentioned in the passage?
A.
The rate of change of the function.
B.
The maximum value of the function.
C.
The y-intercept of the function.
D.
The area under the curve.
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Solution
The slope of a linear function indicates the rate of change of the function with respect to x.
Correct Answer:
A
— The rate of change of the function.
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Q. Which of the following best describes the 'storming' phase in team development?
A.
Team members work independently
B.
Conflict arises as members assert their opinions
C.
The team reaches a consensus
D.
Roles are established and accepted
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Solution
The 'storming' phase is characterized by conflict and competition as team members assert their opinions and challenge each other.
Correct Answer:
B
— Conflict arises as members assert their opinions
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Q. Which of the following best describes the 'storming' stage in Tuckman's model of team development?
A.
Team members work harmoniously
B.
Conflict arises as members assert their opinions
C.
Roles and responsibilities are established
D.
The team reaches its peak performance
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Solution
The storming stage is characterized by conflict and competition as team members begin to assert their individual perspectives.
Correct Answer:
B
— Conflict arises as members assert their opinions
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Q. Which of the following best describes the arrangement of particles in a gas?
A.
Tightly packed in a fixed position
B.
Close together but can move past each other
C.
Far apart and moving freely
D.
Randomly arranged in a fixed structure
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Solution
Gas particles are far apart and move freely, allowing them to fill the container.
Correct Answer:
C
— Far apart and moving freely
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Q. Which of the following best describes the arrangement of particles in a liquid? (2023)
A.
Random and far apart
B.
Close together and fixed
C.
Close together but can move past each other
D.
Random and tightly packed
Show solution
Solution
In liquids, particles are close together but can move past each other, allowing liquids to flow.
Correct Answer:
C
— Close together but can move past each other
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Q. Which of the following best describes the arrangement of particles in a solid?
A.
Random and far apart
B.
Close together and fixed in place
C.
Close together but free to move
D.
Random and close together
Show solution
Solution
In solids, particles are closely packed and fixed in place, giving them a definite shape.
Correct Answer:
B
— Close together and fixed in place
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Q. Which of the following best describes the audience for the passage?
A.
General readers with no background knowledge
B.
Experts in the field
C.
Students studying the topic
D.
Policy makers and stakeholders
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Solution
The passage is aimed at general readers, as it explains concepts in a way that is accessible to those without specialized knowledge.
Correct Answer:
B
— Experts in the field
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Q. Which of the following best describes the author's approach to discussing inequalities?
A.
The author uses anecdotal evidence to support claims.
B.
The author relies heavily on statistical data.
C.
The author presents a balanced view of the issue.
D.
The author focuses on personal narratives.
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Solution
The author employs statistical data to substantiate claims about the prevalence and impact of inequalities.
Correct Answer:
B
— The author relies heavily on statistical data.
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Q. Which of the following best describes the author's approach to discussing mental health?
A.
Dismissive and uninformative.
B.
Comprehensive and empathetic.
C.
Overly critical and negative.
D.
Simplistic and superficial.
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Solution
The author takes a comprehensive and empathetic approach, addressing the complexities of mental health issues.
Correct Answer:
B
— Comprehensive and empathetic.
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Q. Which of the following best describes the author's attitude towards digital sum? (2023)
A.
Skeptical and critical.
B.
Supportive and optimistic.
C.
Indifferent and neutral.
D.
Confused and uncertain.
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Solution
The author expresses a supportive and optimistic view of digital sum, showcasing its benefits and potential.
Correct Answer:
B
— Supportive and optimistic.
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Q. Which of the following best describes the author's attitude towards technological advancements?
A.
Skeptical
B.
Supportive
C.
Indifferent
D.
Cautious
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Solution
The author expresses caution regarding the rapid pace of technological advancements and their implications.
Correct Answer:
D
— Cautious
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