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12 grade chemistry others

Which of the following is not an antibiotic?

  • (A) Morphine
  • (B) Penicillin
  • (C) Streptomycin
  • (D) Chloramphenicol

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0 Years agoGrade
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1 Answer

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ApprovedApproved Tutor Answer0 Years ago

To determine which option is not an antibiotic, let's look at each choice:

Options Breakdown

  • Morphine: This is a pain-relieving medication and is classified as an opioid, not an antibiotic.
  • Penicillin: A well-known antibiotic used to treat bacterial infections.
  • Streptomycin: Another antibiotic, effective against certain bacterial infections.
  • Chloramphenicol: This is also an antibiotic, used for various infections.

Final Answer

The correct answer is (A) Morphine, as it does not have antibiotic properties.


question mark

is Pradeep Chemistry+Ncert sufficient for all of the theory of Jee Mains Chemistry?


Hi, I’m a self-study JEE 2027 aspirant with a large 11th backlog. Since I don’t think 6–8 hour one-shots are sufficient to cover the full theory + breadth of problem types of a JEE chapter, I’ve shifted from lecture-based preparation to book-based self-study.


I have a problem with using NCERT as my primary chemistry source. In my experience, it is concise and information-heavy, but often lacks detailed explanations, systematic organisation of concepts, and categorisation of problem types. This seems especially problematic for Physical and Organic Chemistry, where I feel that simply reading NCERT may not give enough depth or problem-solving preparation.


So I’m considering this approach:


Pradeep Chemistry → complete the chapter thoroughly from Pradeep → then read NCERT for that chapter → solve JEE Main PYQs/problems.


My main question is:


Is Pradeep + NCERT sufficient as the complete theory source for JEE Main-level Chemistry?


In other words, after thoroughly completing a chapter from Pradeep and then NCERT, can I consider the theory part of that chapter complete for JEE Main, with only PYQs/problem practice remaining?


I’m asking specifically about JEE Main level, not Advanced.


Also, if Pradeep is not sufficient, what specific gap does it leave, and what would you recommend as a better book-based alternative for self-study?

Grade 1212 grade chemistry others

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