Q. What is the base unit of mass in the SI system? (2019)
A.
Gram
B.
Kilogram
C.
Pound
D.
Ounce
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Solution
The base unit of mass in the SI system is the kilogram (kg).
Correct Answer:
B
— Kilogram
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Q. What is the base unit of temperature in the SI system? (2020)
A.
Celsius
B.
Fahrenheit
C.
Kelvin
D.
Rankine
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Solution
The base unit of temperature in the SI system is Kelvin (K).
Correct Answer:
C
— Kelvin
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Q. What is the base unit of time in the SI system? (2019)
A.
Minute
B.
Hour
C.
Second
D.
Day
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Solution
The base unit of time in the SI system is the second (s).
Correct Answer:
C
— Second
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Q. What is the base-16 equivalent of the decimal number 255?
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Solution
To convert 255 to hexadecimal (base-16), divide by 16. 255 ÷ 16 = 15 remainder 15. The hexadecimal representation of 15 is F, so 255 in base-16 is FF.
Correct Answer:
A
— FF
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Q. What is the basic building block of proteins?
A.
Nucleotides
B.
Fatty acids
C.
Amino acids
D.
Monosaccharides
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Solution
Proteins are made up of amino acids, which are their basic building blocks.
Correct Answer:
C
— Amino acids
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Q. What is the basic structural and functional unit of an animal's body? (2020)
A.
Tissue
B.
Cell
C.
Organ
D.
Organ System
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Solution
The basic structural and functional unit of an animal's body is the cell.
Correct Answer:
B
— Cell
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Q. What is the basic structural and functional unit of life in animals? (2020)
A.
Tissue
B.
Cell
C.
Organ
D.
Organ System
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Solution
The basic structural and functional unit of life in animals is the cell.
Correct Answer:
B
— Cell
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Q. What is the basic structural and functional unit of life? (2020)
A.
Tissue
B.
Organ
C.
Cell
D.
Organism
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Solution
The cell is the basic structural and functional unit of life, as it is the smallest unit that can carry out all life processes.
Correct Answer:
C
— Cell
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Q. What is the basic structural and functional unit of the human body? (2020)
A.
Cell
B.
Tissue
C.
Organ
D.
System
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Solution
The basic structural and functional unit of the human body is the cell.
Correct Answer:
A
— Cell
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Q. What is the basic structural unit of lipids? (2020)
A.
Amino acids
B.
Nucleotides
C.
Fatty acids
D.
Monosaccharides
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Solution
Fatty acids are the basic structural units of lipids.
Correct Answer:
C
— Fatty acids
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Q. What is the basic structural unit of proteins?
A.
Nucleotide
B.
Monosaccharide
C.
Amino acid
D.
Fatty acid
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Solution
Proteins are made up of long chains of amino acids.
Correct Answer:
C
— Amino acid
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Q. What is the basic unit of classification in biology? (2020)
A.
Species
B.
Genus
C.
Family
D.
Order
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Solution
The basic unit of classification in biology is the species, which is defined as a group of organisms that can interbreed and produce fertile offspring.
Correct Answer:
A
— Species
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Q. What is the basic unit of force in the International System of Units (SI)? (2021)
A.
Newton
B.
Joule
C.
Pascal
D.
Watt
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Solution
The basic unit of force in the SI system is the Newton (N).
Correct Answer:
A
— Newton
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Q. What is the basic unit of heredity? (2020)
A.
Gene
B.
Chromosome
C.
DNA
D.
RNA
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Solution
A gene is the basic unit of heredity, responsible for the transmission of traits from parents to offspring.
Correct Answer:
A
— Gene
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Q. What is the basic unit of life in the human body?
A.
Tissue
B.
Organ
C.
Cell
D.
System
Show solution
Solution
The basic unit of life in the human body is the cell.
Correct Answer:
C
— Cell
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Q. What is the basic unit of life? (2020)
A.
Atom
B.
Molecule
C.
Cell
D.
Tissue
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Solution
The cell is the basic unit of life as it is the smallest structural and functional unit of an organism.
Correct Answer:
C
— Cell
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Q. What is the basic unit of nucleic acids?
A.
Amino acid
B.
Nucleotide
C.
Monosaccharide
D.
Fatty acid
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Solution
The basic unit of nucleic acids, such as DNA and RNA, is the nucleotide.
Correct Answer:
B
— Nucleotide
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Q. What is the basic unit of proteins?
A.
Nucleotide
B.
Monosaccharide
C.
Amino acid
D.
Fatty acid
Show solution
Solution
Proteins are made up of amino acids, which are their basic building blocks.
Correct Answer:
C
— Amino acid
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Q. What is the basic unit of proteins? (2023) 2023
A.
Monosaccharide
B.
Amino acid
C.
Nucleotide
D.
Fatty acid
Show solution
Solution
Proteins are made up of amino acids, which are their basic building blocks.
Correct Answer:
B
— Amino acid
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Q. What is the benefit of summarizing a text?
A.
It helps to memorize the text
B.
It condenses the information into key points
C.
It increases reading speed
D.
It eliminates the need to read the text
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Solution
Summarizing condenses the information into key points, making it easier to understand and remember.
Correct Answer:
B
— It condenses the information into key points
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Q. What is the benefit of visualizing while reading? (2021)
A.
It helps in memorizing facts
B.
It enhances emotional response
C.
It aids in understanding complex concepts
D.
It allows for faster reading
Show solution
Solution
Visualizing helps readers create mental images, which can aid in understanding and retaining complex concepts.
Correct Answer:
C
— It aids in understanding complex concepts
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Q. What is the best analogy for a circuit breaker? (2022)
A.
A switch
B.
A dam
C.
A valve
D.
A water meter
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Solution
A circuit breaker is analogous to a dam, as it stops the flow of electricity when it exceeds a certain limit, preventing damage.
Correct Answer:
B
— A dam
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Q. What is the best analogy for alternating current (AC)? (2023)
A.
A river flowing back and forth
B.
A one-way street
C.
A waterfall
D.
A stagnant pond
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Solution
Alternating current (AC) is analogous to a river that flows back and forth, as the direction of current changes periodically.
Correct Answer:
A
— A river flowing back and forth
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Q. What is the best analogy for voltage in an electrical circuit? (2023)
A.
The height of a water tank
B.
The width of a pipe
C.
The temperature of water
D.
The speed of water flow
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Solution
Voltage can be compared to the height of a water tank, as it determines the potential energy available to push the current through the circuit.
Correct Answer:
A
— The height of a water tank
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Q. What is the best rephrasing of 'He failed to attend the meeting'? (2020)
A.
He did not attend the meeting.
B.
He was absent from the meeting.
C.
He skipped the meeting.
D.
He attended the meeting.
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Solution
The phrase 'failed to attend' can be directly rephrased as 'did not attend'.
Correct Answer:
A
— He did not attend the meeting.
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Q. What is the best rephrasing of 'He is a man of few words'? (2021)
A.
He talks a lot.
B.
He is very talkative.
C.
He does not speak much.
D.
He is a quiet person.
Show solution
Solution
The phrase 'a man of few words' implies that he does not speak much, making option 2 the correct choice.
Correct Answer:
C
— He does not speak much.
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Q. What is the best rephrasing of 'He is known for his generosity'? (2022)
A.
People know him for being generous.
B.
He is not generous.
C.
He is famous for his wealth.
D.
He is known to be stingy.
Show solution
Solution
The phrase 'known for his generosity' can be rephrased as 'people know him for being generous'.
Correct Answer:
A
— People know him for being generous.
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Q. What is the best synonym for 'restrictive'?
A.
Permissive
B.
Limiting
C.
Open
D.
Flexible
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Solution
'Restrictive' means limiting or imposing restrictions.
Correct Answer:
B
— Limiting
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Q. What is the best way to minimize human error in measurements? (2023)
A.
Using automated instruments
B.
Taking measurements in a hurry
C.
Relying on memory for readings
D.
Using outdated instruments
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Solution
Using automated instruments can significantly minimize human error in measurements by reducing reliance on manual reading.
Correct Answer:
A
— Using automated instruments
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Q. What is the best way to summarize the following sentences? 'The committee met to discuss the budget cuts. They expressed concerns about the impact on local programs. A decision was postponed until further information could be gathered.'
A.
The committee approved the budget cuts.
B.
The committee is concerned about local programs due to budget cuts.
C.
The committee gathered information about budget cuts.
D.
The committee made a decision about the budget cuts.
Show solution
Solution
The summary captures the committee's concerns and the postponement of the decision.
Correct Answer:
B
— The committee is concerned about local programs due to budget cuts.
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