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26 Jul 2023, 10:07
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As a result of Karl Lashley’s work in the field of anatomy, neuroscientists now believe that the learned information encoded in 86 billion of the neurons found in a human brain are primarily stored in merely four small parts of the brain, the prefrontal cortex, hippocampus, amygdala, and cerebellum.
the subject of clause in bold is "the learned information" which is singular hence need a singular verb "is" instead of are - Option A, B and C are out.
Lets compare option D and E
(D) the 86 billion neurons found in the human brain is primarily stored in a mere
the bold portion implies the 86 billion neurons (total neurons) in the human brain - that is specific
also - mere is an adjective which correctly modifies noun phrase "four small parts of the brain"
(E) 86 billion of the human brain’s neurons is primarily stored in merely
here, the italic portion is generic i.e., it means 86 billion neurons of all available neurons in the human brain - but which 86 billion? - can't say
merely - adverb can't modify noun or noun phrase
Clearly option D is correct
the subject of clause in bold is "the learned information" which is singular hence need a singular verb "is" instead of are - Option A, B and C are out.
Lets compare option D and E
(D) the 86 billion neurons found in the human brain is primarily stored in a mere
the bold portion implies the 86 billion neurons (total neurons) in the human brain - that is specific
also - mere is an adjective which correctly modifies noun phrase "four small parts of the brain"
(E) 86 billion of the human brain’s neurons is primarily stored in merely
here, the italic portion is generic i.e., it means 86 billion neurons of all available neurons in the human brain - but which 86 billion? - can't say
merely - adverb can't modify noun or noun phrase
Clearly option D is correct
26 Jul 2023, 10:12
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As a result of Karl Lashley’s work in the field of anatomy, neuroscientists now believe that the learned information encoded in 86 billion of the neurons found in a human brain are primarily stored in merely four small parts of the brain, the prefrontal cortex, hippocampus, amygdala, and cerebellum.
Error #1: information is singular so is should be used in place of are.
Error #2: Adverb merely can only modify verb, adjective or another adverb. Here it modifies a noun.
(A) 86 billion of the neurons found in a human brain are primarily stored in merely: Incorrect, error #1
(B) 86 billion of the human brain’s neurons are primarily stored in a mere: Incorrect, error #1
(C) the 86 billion neurons found in human brains are primarily stored in merely: Incorrect, error #1
(D) the 86 billion neurons found in the human brain is primarily stored in a mere: Correct, both errors rectified.
(E) 86 billion of the human brain’s neurons is primarily stored in merely: Incorrect, error #2
IMO D.
Error #1: information is singular so is should be used in place of are.
Error #2: Adverb merely can only modify verb, adjective or another adverb. Here it modifies a noun.
(A) 86 billion of the neurons found in a human brain are primarily stored in merely: Incorrect, error #1
(B) 86 billion of the human brain’s neurons are primarily stored in a mere: Incorrect, error #1
(C) the 86 billion neurons found in human brains are primarily stored in merely: Incorrect, error #1
(D) the 86 billion neurons found in the human brain is primarily stored in a mere: Correct, both errors rectified.
(E) 86 billion of the human brain’s neurons is primarily stored in merely: Incorrect, error #2
IMO D.
Bunuel
26 Jul 2023, 10:17
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As a result of Karl Lashley’s work in the field of anatomy, neuroscientists now believe that the learned information encoded in 86 billion of the neurons found in a human brain are primarily stored in merely four small parts of the brain, the prefrontal cortex, hippocampus, amygdala, and cerebellum.
(A) 86 billion of the neurons found in a human brain are primarily stored in merely
Incorrect. Adverb can not modify a noun . So use of 'merely' to modify 'four small parts of the brain' is incorrect.
(B) 86 billion of the human brain’s neurons are primarily stored in a mere
Incorrect. The phrase 'encoded in .......human brain's neurons' acts as modifier which modifies the noun 'learned information' which is singular . Thus use of plural 'are' is incorrect.
(C) the 86 billion neurons found in human brains are primarily stored in merely
Incorrect. Adverb can not modify a noun . So use of 'merely' to modify 'four small parts of the brain' is incorrect.
(D) the 86 billion neurons found in the human brain is primarily stored in a mere
Correct. This choice correctly uses 'is' to refer to singular noun 'learned information' and also uses the adjective 'mere' to modify noun 'four small parts of the brain'.
(E) 86 billion of the human brain’s neurons is primarily stored in merely
Incorrect. Adverb can not modify a noun . So use of 'merely' to modify 'four small parts of the brain' is incorrect.
(A) 86 billion of the neurons found in a human brain are primarily stored in merely
Incorrect. Adverb can not modify a noun . So use of 'merely' to modify 'four small parts of the brain' is incorrect.
(B) 86 billion of the human brain’s neurons are primarily stored in a mere
Incorrect. The phrase 'encoded in .......human brain's neurons' acts as modifier which modifies the noun 'learned information' which is singular . Thus use of plural 'are' is incorrect.
(C) the 86 billion neurons found in human brains are primarily stored in merely
Incorrect. Adverb can not modify a noun . So use of 'merely' to modify 'four small parts of the brain' is incorrect.
(D) the 86 billion neurons found in the human brain is primarily stored in a mere
Correct. This choice correctly uses 'is' to refer to singular noun 'learned information' and also uses the adjective 'mere' to modify noun 'four small parts of the brain'.
(E) 86 billion of the human brain’s neurons is primarily stored in merely
Incorrect. Adverb can not modify a noun . So use of 'merely' to modify 'four small parts of the brain' is incorrect.
