PSAT Reading and Writing Quiz: Punctuation

What this quiz covers

This quiz focuses on Punctuation, giving you a quick way to practice the rules, question types, and explanations that matter most for PSAT Reading and Writing.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

Question 1

1. describe, mallards
2. describe; mallards
3. describe: mallards (correct answer)
4. describe. Mallards

Explanation: This question tests the punctuation needed to introduce a list that explains or specifies what came before. The phrase before the blank ('the birds she would describe') sets up an expectation that needs to be fulfilled, and the list 'mallards, herons, and kingfishers' provides that specific information. A colon is the correct punctuation mark to introduce a list that explains or elaborates on what precedes it. Choice C correctly uses a colon, signaling that what follows will specify which birds she'll describe. Choices A and B incorrectly use a comma and semicolon respectively, which don't properly introduce explanatory lists, while choice D creates an unnecessary sentence break when the list is meant to complete the thought.

Question 2

1. leaving, because (correct answer)
2. leaving; because
3. leaving because
4. leaving. Because

Explanation: This question tests punctuation with subordinating conjunctions like 'because'. The word 'because' introduces a dependent clause that explains why you should check the forecast—it cannot stand alone as a sentence. When a dependent clause beginning with 'because' follows an independent clause, you typically use a comma to separate them. Choice A correctly uses a comma before 'because', properly connecting the independent clause to its explanatory dependent clause. Choice B incorrectly uses a semicolon (which joins independent clauses), choice C omits necessary punctuation, and choice D incorrectly treats 'Because storms can form...' as an independent sentence, creating a fragment.

Question 3

1. change, the
2. change; the
3. change. the
4. change: the (correct answer)

Explanation: This question tests the use of a colon to introduce an explanation or elaboration. The independent clause "The editor praised the report's clarity but suggested one change" sets up an expectation that the specific change will be explained, and a colon appropriately introduces this explanation. The clause after the colon explains exactly what that one change should be. Choice A creates a comma splice between two independent clauses, choice B uses a semicolon (which connects equal clauses rather than introducing an explanation), and choice C creates two separate sentences when the second directly explains the first. When you see a setup followed by its specific explanation, a colon is often the best choice.

Question 4

1. tests, it still
2. tests; it still (correct answer)
3. tests it still
4. tests. it still

Explanation: This question tests punctuation between contrasting independent clauses. 'The device performed well in tests' is a complete sentence, and 'it still needs more safety checks before it can be sold to the public' is also a complete sentence. The word 'still' signals a contrast between the positive test results and the remaining work needed. A semicolon is perfect here to join these related but contrasting independent clauses. Choice A creates a comma splice, choice C incorrectly runs the sentences together with no punctuation, and while choice D (period) is grammatically correct, the semicolon better shows the close relationship between these contrasting ideas.

Question 5

1. pond which was restored last year, now supports frogs and dragonflies.
2. pond, which was restored last year, now supports frogs and dragonflies. (correct answer)
3. pond; which was restored last year, now supports frogs and dragonflies.
4. pond: which was restored last year, now supports frogs and dragonflies.

Explanation: This question tests the use of commas to set off a nonrestrictive relative clause that provides additional, nonessential information. The clause 'which was restored last year' adds descriptive detail about 'the pond' but is not essential to the sentence's meaning, so it requires commas on both sides to enclose it, with the blank providing the first comma before 'which.' Choice A omits the comma, creating a run-on by not separating the nonrestrictive clause; Choice C uses a semicolon, which incorrectly splits the sentence as if the clause were independent; and Choice D employs a colon, which is for introductions, not enclosures. Nonrestrictive clauses beginning with 'which' offer extra facts and use commas like parentheses for separation. To distinguish restrictive from nonrestrictive, remove the clause; if the sentence's core meaning remains unchanged, it's nonrestrictive and needs commas.

Question 6

1. hesitated, they worried the added cost would be unpopular
2. hesitated; they worried the added cost would be unpopular (correct answer)
3. hesitated. they worried the added cost would be unpopular
4. hesitated because, they worried the added cost would be unpopular

Explanation: This question tests the use of a semicolon to connect two closely related independent clauses that explain or contrast each other. Both segments are independent clauses—'several council members hesitated' can stand alone, and 'they worried the added cost would be unpopular' provides the reason, also standing alone—making a semicolon suitable for linking them without a conjunction. Choice A uses a comma, creating a comma splice error between the two complete thoughts. Choice C employs a period but fails to capitalize the following word, and Choice D inserts 'because' with an unnecessary comma, awkwardly attempting subordination instead of coordination. When clauses express cause and effect without words like 'because,' consider a semicolon to maintain their independence while showing connection.

Question 7

1. meal, a contrast to the rich stew beneath it (correct answer)
2. meal; a contrast to the rich stew beneath it
3. meal: a contrast to the rich stew beneath it
4. meal. a contrast to the rich stew beneath it

Explanation: This question tests the use of a comma to introduce an appositive phrase that renames or explains a preceding noun. The phrase before the blank ends with 'meal,' an independent clause component, and 'a contrast to the rich stew beneath it' is a noun phrase that rephrases 'bright note' for clarification, making a comma the proper way to set it off without creating a new clause. Choice B uses a semicolon, which is for independent clauses, but the following phrase is a dependent fragment that can't stand alone. Choice C employs a colon, suitable for lists or explanations but overly formal here for a simple appositive, and Choice D uses a period, turning the appositive into a fragment with improper capitalization. When a phrase directly renames or describes a noun without forming a full clause, check for a comma to integrate it smoothly as an appositive.

Question 8

1. city, connecting neighborhoods that rarely interact (correct answer)
2. city; connecting neighborhoods that rarely interact
3. city connecting neighborhoods that rarely interact
4. city, and connecting neighborhoods that rarely interact

Explanation: This question tests the use of a comma to set off a nonrestrictive participial phrase that adds descriptive information to the preceding clause. The main clause describes 'a river that winds through the city,' and 'connecting neighborhoods that rarely interact' is a participial phrase modifying 'river' or the action, providing additional detail without being essential, so a comma separates it for clarity. Choice B incorrectly uses a semicolon, which is for independent clauses, but the phrase is dependent and can't stand alone. Choice C omits the comma, potentially causing confusion by running the ideas together, and Choice D adds 'and' unnecessarily, implying a coordinated structure that doesn't fit the descriptive phrase. To identify participial phrases, look for '-ing' verbs acting as modifiers; if they add nonessential info, enclose them with commas.

Question 9

1. sunset, they can set up tripods and calibrate their star charts in daylight. (correct answer)
2. sunset; they can set up tripods and calibrate their star charts in daylight.
3. sunset they can set up tripods and calibrate their star charts in daylight.
4. sunset, then they can set up tripods and calibrate their star charts in daylight.

Explanation: This question tests the use of a comma to separate an introductory dependent clause from the main independent clause in a complex sentence. The phrase before the blank is a dependent clause ('If the group reaches the overlook before sunset'), as it cannot stand alone, and it introduces the condition for the following independent clause 'they can set up tripods and calibrate their star charts in daylight,' requiring a comma for separation. Choice B incorrectly uses a semicolon, which is reserved for joining independent clauses, not for connecting a dependent clause to an independent one. Choice C omits punctuation entirely, creating a run-on sentence, while Choice D adds 'then' unnecessarily, though a comma alone suffices without altering the wording. To check for introductory clauses, see if the opening phrase starts with a subordinating conjunction like 'if' and can't stand alone; if so, it typically needs a comma before the main clause.

Question 10

1. Monday, the first rehearsal is this weekend,
2. Monday; the first rehearsal is this weekend. (correct answer)
3. Monday because the first rehearsal is this weekend.
4. Monday. the first rehearsal is this weekend.

Explanation: This question tests the punctuation needed to join two independent clauses without a coordinating conjunction, specifically using a semicolon for a close relationship between ideas. Both 'Tickets go on sale Monday' and 'the first rehearsal is this weekend' are independent clauses, as each has a subject and verb and can stand alone as a complete sentence, so they require a semicolon to connect them smoothly. Choice A creates a comma splice by using only a comma between the two independent clauses; Choice C inserts 'because,' which subordinates the second clause and alters the meaning to show causation; and Choice D uses a period but fails to capitalize the following word, creating a fragment. To check for the need for a semicolon, verify if both parts of the sentence can function as standalone sentences; if they can and are closely related, a semicolon is often the best choice over a period for conciseness.

Question 11

1. pantry, sign up online by Friday (correct answer)
2. pantry; sign up online by Friday
3. pantry sign up online by Friday
4. pantry. sign up online by Friday

Explanation: This question tests the use of a comma to separate a dependent introductory clause from the main independent clause it modifies. The phrase 'If you want to volunteer at the food pantry' is a dependent clause because it cannot stand alone and sets a condition for the following independent clause 'sign up online by Friday,' requiring a comma for clear separation. Choice B incorrectly uses a semicolon, which is for joining independent clauses, not dependent ones; Choice C omits punctuation, creating a run-on; and Choice D uses a period, which fragments the dependent clause. Introductory dependent clauses, often starting with words like 'if' or 'when,' need a comma after them to signal the start of the main idea and improve readability. A useful strategy is to read the sentence aloud; if there's a natural pause after the introductory phrase, a comma is likely needed.

Question 12

1. items, trash bags, gloves, hand sanitizer, and water bottles.
2. items: trash bags, gloves, hand sanitizer, and water bottles. (correct answer)
3. items; trash bags, gloves, hand sanitizer, and water bottles.
4. items. trash bags, gloves, hand sanitizer, and water bottles.

Explanation: This question tests the use of a colon to introduce a list following a complete independent clause. The sentence 'She packed the following items' is an independent clause that sets up the list of specific items, requiring a colon to formally introduce them as an explanation or elaboration. Choice A incorrectly uses a comma, which is too weak to introduce a list in this context and creates a less formal structure; Choice C employs a semicolon, which is meant for joining two independent clauses rather than introducing a list; and Choice D uses a period, which fragments the list into a non-sentence. When a complete thought is followed by a list that exemplifies or clarifies it, a colon is the appropriate punctuation to signal that introduction. To identify when a colon is needed for a list, check if the preceding clause could stand alone and if the list directly relates to a word like 'following' or 'such as.'

Question 13

1. humidity, help the team adjust watering schedules
2. humidity; help the team adjust watering schedules
3. humidity and help the team adjust watering schedules (correct answer)
4. humidity. help the team adjust watering schedules

Explanation: This question tests the coordination of parallel verb phrases sharing the same subject without unnecessary punctuation. The verbs 'measure' and 'help' are parallel actions performed by 'sensors,' forming a compound predicate that requires 'and' to connect them smoothly without creating a separation that implies independence. Choice A incorrectly inserts a comma, which disrupts the flow and suggests a pause not needed in a compound predicate; Choice B uses a semicolon, treating the phrases as independent clauses when they are not; and Choice D employs a period, fragmenting the second phrase. Parallel structures like this maintain balance in sentences, and connecting them with 'and' without punctuation ensures conciseness. To spot parallel verbs, check if they share a subject; if they do, avoid punctuation that would split them into separate clauses.

Question 14

1. claims, the policy would save money, it would reduce traffic, and it would improve safety.
2. claims; the policy would save money, it would reduce traffic, and it would improve safety.
3. claims: the policy would save money, it would reduce traffic, and it would improve safety. (correct answer)
4. claims. the policy would save money, it would reduce traffic, and it would improve safety.

Explanation: This question tests the use of a colon to introduce a list that elaborates on or exemplifies a preceding independent clause. The clause 'The speaker made three main claims' is independent and complete, setting up the list of specific claims, so a colon is needed to introduce them formally. Choice A uses a comma, which is insufficient for introducing a detailed list and creates a less structured feel; Choice B employs a semicolon, better suited for joining independent clauses than introducing lists; and Choice D uses a period, fragmenting the list into a non-sentence with improper capitalization. Colons signal that what follows explains or specifies the previous statement, enhancing clarity in lists. When a sentence ends with a word like 'claims' followed by examples, check for a colon; it's especially useful if the list items are phrases rather than a simple series.

Question 15

1. soon, the paper
2. soon; the paper (correct answer)
3. soon. the paper
4. soon and the paper

Explanation: This question tests punctuation between two independent clauses. 'The curator wanted to display them soon' can stand alone as a complete sentence, and 'the paper is fragile, and too much light could cause the ink to fade' is also a complete sentence with its own subject and verb. When joining two independent clauses, you need either a semicolon or a period—a comma alone would create a comma splice. Choice B correctly uses a semicolon to show the close relationship between these related ideas. Choice D changes the meaning by making it seem like both wanting to display and the paper being fragile happen together, rather than the second clause explaining why timing matters.

Question 16

1. ,
2. ;
3. : (correct answer)
4. .

Explanation: The words before the blank, "The plan was simple," form a complete sentence that sets up an expectation: what follows will spell out the plan. A colon is the correct mark for introducing a list that explains or elaborates on a complete statement, so ":" is right. A comma is too weak to introduce this list and just runs the sentence together. A semicolon must join two complete sentences, but "a short reading, a question-and-answer session, and then a signing" is not a complete sentence, so a semicolon is wrong. A period would also require a complete sentence after it, and that list fragment cannot stand alone, creating an error. Only the colon properly links the setup to the list that defines it.

Question 17

1. sensitive, even
2. sensitive; even
3. sensitive even (correct answer)
4. sensitive. even

Explanation: This question tests punctuation within a dependent clause. The word 'Because' at the beginning of the sentence makes everything that follows part of a single dependent clause explaining why the instructor asked everyone to silence their phones. Within this dependent clause, 'even a single notification could interrupt the recording' provides additional detail about how sensitive the microphones were—it's not a separate clause but a continuation of the same thought. No punctuation is needed before 'even' since it's all part of the same dependent clause. Choices A, B, and D incorrectly add punctuation that would fragment this unified dependent clause.

Question 18

1. note, it
2. note; it (correct answer)
3. note: it
4. note it

Explanation: This question tests punctuation between two independent clauses. The first clause 'Visitors often pause at the entrance to read the artist's note' is a complete sentence, and the second clause 'it explains how each piece was shaped...' is also independent—it has its own subject ('it') and verb ('explains') and can stand alone. When joining two independent clauses without a coordinating conjunction, you need either a period or a semicolon, not a comma (which would create a comma splice). Choice B correctly uses a semicolon to connect these related independent clauses, showing their close relationship while maintaining proper grammar. Remember: if both parts of a sentence could stand alone as complete sentences, a comma alone is never sufficient to join them.

Question 19

1. exception, if
2. exception; if
3. exception: if (correct answer)
4. exception. If

Explanation: This question tests the use of a colon to introduce clarifying information. The phrase 'one exception' sets up an expectation that needs to be fulfilled, and what follows the blank provides that specific exceptional circumstance. A colon is the appropriate punctuation to introduce information that explains, clarifies, or specifies what was just mentioned. Choice C correctly uses a colon to signal that the exception is about to be explained. Choice A uses a weak comma, choice B uses a semicolon (which would require two independent clauses), and choice D creates an unnecessary sentence break when the explanation is meant to complete the thought about the exception.

Question 20

1. time; as
2. time, as
3. time as (correct answer)
4. time. As

Explanation: This question tests punctuation with the subordinating conjunction 'as' when it means 'because' or 'while'. The clause 'as customers requested a milder sauce and more seasonal toppings' is dependent—it cannot stand alone and explains how the recipe changed over time. When 'as' introduces a dependent clause that follows an independent clause in this explanatory sense, no punctuation is needed between them. Choice C correctly omits punctuation, allowing the dependent clause to flow naturally from the main clause. Choices A, B, and D add unnecessary punctuation that would incorrectly separate the closely connected ideas or create grammatical errors.