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Apr 2808:00 AM PDT
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Whether you are just beginning your MBA journey or fine-tuning your path to a 700+ score, GMAT Day is designed to give you a competitive edge.
13 Aug 2021, 03:00
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
63% (01:16) correct
37%
(01:07)
wrong
based on 132
sessions
History
Date
Time
Result
Not Attempted Yet
The world's most commonly cultivated tetraploid potato species is solanum tuberosum, from which derive both the andigena and the tuberosum subspecies.
(A) is solanum tuberosum, from which derive both the andigena and the tuberous
(B) are solanum tuberosum, from which derive both the andigena and tuberous
(C) is solanum tuberosum, from which is derived both the andigena and tuberous
(D) are solanum tuberosum, and derived from it both tuberosum and andigena
(E) is solanum tuberosum, from which derive the tuberosum as well as the andigena
(A) is solanum tuberosum, from which derive both the andigena and the tuberous
(B) are solanum tuberosum, from which derive both the andigena and tuberous
(C) is solanum tuberosum, from which is derived both the andigena and tuberous
(D) are solanum tuberosum, and derived from it both tuberosum and andigena
(E) is solanum tuberosum, from which derive the tuberosum as well as the andigena
13 Aug 2021, 04:06
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use 'species is' instead of 'species are'.
So B & D are out.
(A) is solanum tuberosum, from which derive both the andigena and the tuberous...............Seems fine
(B) are solanum tuberosum, from which derive both the andigena and tuberous..................species is should be there
(C) is solanum tuberosum, from which is derived both the andigena and tuberous.........................singular verb for plural subjects andigena and tuberous
(D) are solanum tuberosum, and derived from it both tuberosum and andigena..............................species is should be there. Also, meaning issue
(E) is solanum tuberosum, from which derive the tuberosum as well as the andigena...................as well as is not correct
So B & D are out.
(A) is solanum tuberosum, from which derive both the andigena and the tuberous...............Seems fine
(B) are solanum tuberosum, from which derive both the andigena and tuberous..................species is should be there
(C) is solanum tuberosum, from which is derived both the andigena and tuberous.........................singular verb for plural subjects andigena and tuberous
(D) are solanum tuberosum, and derived from it both tuberosum and andigena..............................species is should be there. Also, meaning issue
(E) is solanum tuberosum, from which derive the tuberosum as well as the andigena...................as well as is not correct
15 Aug 2021, 03:00
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Bunuel
OFFICIAL EXPLANATION
The world's most commonly cultivated tetraploid potato species is solanum tuberosum, from which derive both the andigena and the tuberosum subspecies.
(A) is solanum tuberosum, from which derive both the andigena and the tuberous
This answer choice correctly matches the singular verb is with the singular subject species and matches the plural verb derive with the plural subject the andigena and tuberosum subspecies.
(B) are solanum tuberosum, from which derive both the andigena and tuberous
Incorrect.
This answer choice is grammatically incorrect. The plural verb are does not agree with the singular subject species.
What helps us identify this question as a Subject Verb Agreement question as well as identify the mistake are the following Stop Signs:
a pseudo plural subject
verb precedes subject
plural subject built of singular nouns connected by and
(C) is solanum tuberosum, from which is derived both the andigena and tuberous
Incorrect.
This answer choice is grammatically incorrect. The singular verb is does not agree with the plural subject the andigena and tuberosum subspecies.
(D) are solanum tuberosum, and derived from it both tuberosum and andigena
Incorrect.
This answer choice is grammatically incorrect. The plural verb are does not agree with the singular subject species.
In addition, by changing from which derive to and derived from it, the corrected sentence creates a fragment, as the conjugated verb derived lacks a subject. We can see that the sentence is a fragment, because the sentence does not provide an answer to the question "who/what derived?"
(E) is solanum tuberosum, from which derive the tuberosum as well as the andigena
Incorrect.
This answer choice is grammatically incorrect. The phrase as well as is considered non-idiomatic on the GMAT. The correct idiom is both A and B.
