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Option D is incorrect because "which" is referring back to "psychological dependence". It is not the "psychological dependence" that has the symptoms similar to those of narcotic dependence but rather, it is the cocaine itself. The symptoms of cocaine are similar to the symptoms of dependence on narcotics. Hence, why option B is correct!
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csaluja

Wouldn't then be symptoms of cocaine=symptoms of narcotics

Dependence changes the meaning here to be narcotics addiction which should be same as addiction of cocaine

Is it not so?

Can you kindly resolve?

Thanks
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1 is wrong because it does not maintain parallelism, 5 has the same problem. It compares the symptoms of psychological dependence to narcotics dependence itself. 3 is awkwardly worded, as is 4. Thus, 2 is the right option
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disenapati
Heavy and prolonged use of cocaine can lead to psychological dependence, the symptoms of which are similar to narcotics dependence.

Meaning: Use of cocaine leads to psychological dependence, the symptoms of which(symptoms of use of cocaine) are similar to dependence on Narcotics. The basic issue in the sentence is the incorrect comparison between "Use of Cocaine" and "Narcotics dependance". The options C to E introduce further errors by changing the comparison between cocaine and narcotics to the incorrect comparison between "psychological dependence" and "narcotics dependence". Hence Option C, D and E can be omitted


Quote:
1. the symptoms of which are similar to narcotics dependence.
Incorrect Comparison between Cocaine and Narcotics dependance
Quote:
2. the symptoms of which are similar to those of dependence on narcotics.
Correct comparison between Cocaine and Narcotics
Quote:
3. which in symptoms are similar to those of dependence on narcotics.
incorrect comparison between "psychological dependence" and "dependance on narcotics "
Quote:
4. which has symptoms similar to those of narcotics dependence.
incorrect comparison between "psychological dependence" and "narcotics dependance".
Quote:
5. which has symptoms similar to narcotics dependence.
incorrect comparison between "psychological dependence" and "narcotics dependance".
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disenapati
Heavy and prolonged use of cocaine can lead to psychological dependence, the symptoms of which are similar to narcotics dependence.

1.
the symptoms of which are similar to narcotics dependence. Comparison error systems are compared with ND.

2.
the symptoms of which are similar to those of dependence on narcotics.
Right comparison okay,
RPM which refers to PD. CORRECT
SV is correct , symptoms- are

3.
which in symptoms are similar to those of dependence on narcotics.
RPM number error which refers to PD, singular

4.
which has the symptoms similar to those of narcotics dependence.
Tense error . The general information is presented.

5.
which has symptoms similar to narcotics dependence.
Tense error + comparison error.

Source - IMS Test Series

Answer is B. Corrected comparison error from original.

Posted from my mobile device
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saukrit
disenapati
Heavy and prolonged use of cocaine can lead to psychological dependence, the symptoms of which are similar to narcotics dependence.

Meaning: Use of cocaine leads to psychological dependence, the symptoms of which(symptoms of use of cocaine) are similar to dependence on Narcotics. The basic issue in the sentence is the incorrect comparison between "Use of Cocaine" and "Narcotics dependance". The options C to E introduce further errors by changing the comparison between cocaine and narcotics to the incorrect comparison between "psychological dependence" and "narcotics dependence". Hence Option C, D and E can be omitted


Quote:
1. the symptoms of which are similar to narcotics dependence.
Incorrect Comparison between Cocaine and Narcotics dependance
Quote:
2. the symptoms of which are similar to those of dependence on narcotics.
Correct comparison between Cocaine and Narcotics
Quote:
3. which in symptoms are similar to those of dependence on narcotics.
incorrect comparison between "psychological dependence" and "dependance on narcotics "
Quote:
4. which has symptoms similar to those of narcotics dependence.
incorrect comparison between "psychological dependence" and "narcotics dependance".
Quote:
5. which has symptoms similar to narcotics dependence.
incorrect comparison between "psychological dependence" and "narcotics dependance".

how can we say that which is referring to cocaine rather than psychological dependence in B?
based on comparison errors and S-V number error, i had eliminated A,C,D.
can you help me ?
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I am really confused. A C E are eliminated because of obvious reasons.
When we compare B and D:
B. Heavy and prolonged use of cocaine can lead to psychological dependence, the symptoms of which are similar to those of dependence on narcotics.
D. Heavy and prolonged use of cocaine can lead to psychological dependence, which has the symptoms similar to those of narcotics dependence.
IMO : In both sentences, "which" should refer to psychological dependence. Because only a disease can have symptoms, and cocaine is a chemical.
So what is the difference between B & D and why is B the correct answer?
Can someone explain please?
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arsene1379
I am really confused. A C E are eliminated because of obvious reasons.
When we compare B and D:
B. Heavy and prolonged use of cocaine can lead to psychological dependence, the symptoms of which are similar to those of dependence on narcotics.
D. Heavy and prolonged use of cocaine can lead to psychological dependence, which has the symptoms similar to those of narcotics dependence.
IMO : In both sentences, "which" should refer to psychological dependence. Because only a disease can have symptoms, and cocaine is a chemical.
So what is the difference between B & D and why is B the correct answer?
Can someone explain please?


I agree, how would use of cocaine have symptoms, should it not be psychological dependence has the symptoms?
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So we all agree that the answer is either B or D right?

D is wrong because it says “ has THE symptoms”. The word “the” in the sentence changes the meaning to saying that psychological dependence has ALL symptoms that are similar to narcotics dependence.

But this is an extreme statement. Although B is a bit more verbose, it’s clear and logical.

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