Antibiotics

Q. A narrow spectrum antibiotic is active against _

1. gram positive or gram negative bacteria
2. gram negative bacteria only
3. single organism or one disease
4. both gram positive and gram negative bacteria.

Q. Which of the following is not an antibiotic

1. Pencillin

2. Sulphaguanidine

3. Chloramphenicol

4. None of these

Q. Total geometrical, structural and optical isomers of C4H11N will be?(Also give structures)

Q. Sulpha drugs are derivatives of

1. benzene sulphonic acid
2. sulphanilic acid
3. sulphanilamide
4. p-aminobenzoic acid.

Q. Which of the following is narrow spectrum antibiotic?

1. Amoxycillin
2. Chloramphenical
3. Vancomycin
4. Dysidazirine

Q. Penicillin G is a broad spectrum antibiotic

1. True
2. False

Q. 43 How many isomers possible for C8H18 (octane) a)12 b) 18 c)9 d) 15 Is there any trick/formula to directly calculate number of isomers without drawing all structures?

Q. Amoxicillin is semisynthetic modification of:

1. Penicillin
2. Streptocin
3. Tetracyclin
4. Chlroamphenicol

Q. in which of the following metamerism is not possible? (a)C4H10O (b)C4H11N (c)C5H10O (d)C3H7Cl GIVE REASON.

Q. Which of the following is bacteriostatic?

1. penicillin
2. erythromycin
3. aminoglycoside
4. ofloxacin

Q. 25. How many optically active, meso isomers are possible for the following compound? CH₃CHBrCHClCHClCH₃ Is there any formula for the same

Q. Statement 1: Dettol is an antibiotic.
Statement 2: Antibiotics are used to kill microorganisms.

1. Only statement 1 is correct
2. Only statement 2 is correct
3. Both statements are correct

4. Both statements are incorrect

Q. The antibiotic used for the treatment of typhoid is:

1. Pencillin
2. chloramphenicol
3. Terramycin
4. Sulphadiazine

Q. Chloramphenicol is:

1. antiseptic and disinfectant
2. antibiotic broad spectrum
3. antifertility drug
4. antihistaminic

Q. Amoxicillin is semisynthetic modification of:

1. Penicillin
2. Streptocin
3. Tetracyclin
4. Chlroamphenicol

Q.

Which of the following is a bacteriostatic?

1. Penicillin

2. Erythromycin

3. Aminoglycodin

4. Ofloxacin

Q. Terpineol and chloroxylenol are the compounds of which of the following classes?

1. Disinfectant
2. Chemosterilant
3. Tranquilisers
4. Plant growth harmones

Q. Chloroquine is

1. An analgesic
2. An antibiotic
3. An antimalarial
4. An antipyretic

Q. Consider three statements given below about antibiotics –
(i) Antibiotics kills or inhibits the growth of microorganisms.
(ii) Broad range antibiotics inhibit gram negative as well as gram positive bacteria.
(iii) Antibiotics are produced by microorganisms and it can’t be synthesized artificially.
Which of the above statements is correct?

1. Only (i)
2. (i) and (ii)
3. (ii) and (iii)
4. (i), (ii) and (iii)

Q. The antibiotic used for the treatment of typhoid is:

1. Pencillin
2. chloramphenicol
3. Terramycin
4. Sulphadiazine

Q. Chloroquine is

1. An analgesic

2. An antibiotic

3. An antimalarial

4. An antipyretic

Q. Which statement is false

1. Some disinfectants can be used antiseptics at low concentration
2. Sulphadiazine is a synthetic antibacterial
3. Ampicillin is a natural antibiotic
4. Aspirin is analgesic and antipyretic both

Q.

An antibiotic contains nitro group attached to aromatic nucleus in its structure. It is

1. Penicillin
2. Streptomycin
3. Tetracycline
4. Chloramphenicol

Q. Whats the difference between position isomerism and stereo isomerism?

Q.

which set has different class of compounds?

1. Tranquillizen : equanil, heroin, valium
2. antiseptcs: bithional, dettol, bo-acid
3. analgesics : codine, morphise, aspirin
4. bactericidal : penicillin, ofloxacin

Q. Which of the following is used as an antibiotic

1. Ciprofloxacin
2. Paracetamol
3. Aspartame
4. Aspirin