Questions & Answers
Browse all 20 questions from the
Scientific Grammar Mastery study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
The process by which green plants use sunlight to synthesize nutrients from carbon dioxide and water is called photosynthesis; which verb tense describes this ongoing natural fact?
-
A
Present perfect
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B
Simple present
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C
Past continuous
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D
Future perfect
2
When describing the fact that water boils at 100 degrees Celsius at sea level, which grammatical mood is used to express the scientific truth?
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A
Subjunctive
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B
Imperative
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C
Indicative
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D
Conditional
3
In the sentence 'The mitochondria are the powerhouse of the cell', which word functions as the plural subject?
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A
The
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B
mitochondria
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C
are
-
D
powerhouse
4
Which article is correctly used before the scientific term 'ultraviolet radiation'?
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A
A
-
B
An
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C
The
-
D
Zero article
5
Identify the correct passive voice construction for the following statement: 'Gravity pulls objects toward the Earth's center.'
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A
Objects are being pulled by gravity.
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B
Objects were pulled by gravity.
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C
Objects are pulled by gravity.
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D
Objects have been pulled by gravity.
6
Choose the correct preposition to complete the sentence: 'The velocity of an object is defined ___ its rate of change of position.'
7
Which sentence correctly uses a semicolon to connect two related scientific independent clauses?
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A
Oxygen is essential for respiration; nitrogen is the most abundant gas.
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B
Oxygen is essential for respiration, nitrogen is the most abundant gas.
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C
Oxygen is essential for respiration: nitrogen is the most abundant gas.
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D
Oxygen is essential for respiration; and nitrogen is abundant.
8
In the phrase 'an ecosystem's equilibrium,' what grammatical function does the apostrophe-s serve?
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A
Pluralization
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B
Contraction
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C
Possession
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D
Adverbial modifier
9
Select the grammatically correct comparative form for the scientific adjective 'volatile' when comparing two chemical compounds.
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A
more volatile
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B
volatiler
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C
most volatile
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D
volatile-er
10
Which conjunction correctly completes the sentence: 'The experiment was successful, ___ the results were unexpected.'
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A
so
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B
because
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C
yet
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D
for
11
In the sentence 'Bacteria thrive in warm environments,' what part of speech is the word 'thrive'?
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A
Noun
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B
Adjective
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C
Verb
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D
Preposition
12
Which sentence uses the correct plural form of the scientific term 'nucleus'?
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A
The nucleuses of the atoms were stable.
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B
The nuclei of the atoms were stable.
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C
The nucleii of the atoms were stable.
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D
The nuclea of the atoms were stable.
13
Identify the correctly punctuated sentence regarding the scientific classification of a mammal.
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A
A whale, which is a mammal, lives in the ocean.
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B
A whale which is a mammal lives in the ocean.
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C
A whale which is a mammal, lives in the ocean.
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D
A whale that is a mammal lives, in the ocean.
14
Which word is the superlative form used when describing the largest planet in our solar system?
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A
Bigger
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B
Most big
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C
Biggest
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D
More big
15
The term 'data' is the plural of which singular noun?
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A
Datum
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B
Datus
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C
Date
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D
Dating
16
Which pronoun correctly replaces 'the hypothesis' in the sentence: 'The hypothesis was tested, and ___ proved to be accurate.'
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A
they
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B
it
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C
them
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D
which
17
Complete the sentence: 'The geological study ___ completed before the earthquake occurred.'
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A
was
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B
were
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C
be
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D
being
18
Which adverb correctly describes how a catalyst affects the rate of a chemical reaction?
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A
Fast
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B
Quick
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C
Rapidly
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D
Speedy
19
In the sentence 'Genetics is the study of heredity,' why is 'is' used instead of 'are'?
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A
Genetics is a plural noun.
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B
Genetics is treated as a singular field of study.
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C
Genetics is an adjective.
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D
The sentence is in the past tense.
20
Identify the correctly placed modifier in this scientific observation: 'Looking through the microscope, the cells appeared elongated.'
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A
The cells, looking through the microscope, appeared elongated.
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B
The cells appeared, looking through the microscope, elongated.
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C
Looking through the microscope, the cells appeared elongated.
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D
Elongated, the cells looked through the microscope.
