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Antibiotics : NEET MCQ Questions

Are you looking for NEET MCQ Questions on Antibiotics? If Yes then you are at right place. Here you will find Antibiotics NEET MCQ Questions and Answers, Trivia, Quiz, Interview MCQ & Antibiotics Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Antibiotics Mcqs. as you know Questions and Ansers on Antibiotics MCQS is very important for Neet Exam. In this Antibiotics NEET section for Neet competition we are covering NEET MCQ Questions on Antibiotics

Contents

Question 1 : Which of the following events occurs during the third phase of growth of Penicillium chrysogenum?

A. Autolysis of the medium starts

B. Slight rise in pH due to liberation of ammonia

C. The concentration of antibiotic increases in the medium

D. All of the above

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Question 2 : What type of side effect is most commonly observed in beta-lactam antibiotics?

A. Hearing loss

B. Aplastic anaemia

C. Allergic reaction

D. Yellowing of teeth

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Question 3 : Which of the following events occurs during the first phase of growth of Penicillium chrysogenum?

A. A maximum rate occurs by the utilization of lactic acid present in the corn steep liquor

B. Growth of mycelia

C. Ammonia is liberated in the medium

D. All of the above

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Question 4 : Which of the following antibiotics are most likely responsible for hypotension, itching and other side effects?

A. Aztreonam

B. Vancomycin

C. Daptomycin

D. Linezolid

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Question 5 : Which of the following seeds are used for the inoculum preparation for the fermentation medium for penicillin?

A. Rice seeds

B. Corn seeds

C. Wheat seeds

D. Barley seeds

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Question 6 : Which of the following events occurs during the second phase of growth of Penicillium chrysogenum?

A. pH increase

B. Mycelial mass increases

C. Both (a) and (b)

D. Synthesis of penicillin is high

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Question 7 : Which of the following statements are true about the vegetable oil added in the fermentation medium for penicillin?

A. It acts as a carbon source

B. It acts as an antifoam agent

C. It acts as a source of nutrients

D. All of the above

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Question 8 : The high yield of chlortetracycline requires ____________.

A. No aeration

B. Controlled aeration

C. Continuous aeration

D. Aeration which does not affect the yield

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Question 9 : Which of the following species is used for producing streptomycin?

A. S. ramosus

B. S. griseus

C. S. aerofaciens

D. S. griseoflavus

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Question 10 : After the fermentation process, penicillin is recovered as

A. Penicillin

B. Sodium penicillin

C. Calcium penicillin

D. Potassium penicillin

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Question 11 : Which of the following media composition is used for the production of chlortetracycline?

A. Calcium Carbonate, Sugar and Ammonium sulfate

B. Corn steep liquor, Calcium Carbonate, and Ammonium sulfate

C. Corn steep liquor, Ammonium Chloride. , Calcium Carbonate, and Ammonium sulfate

D. Sugar, corn steep liquor, Calcium Carbonate, Ammonium sulfate, and Ammonium Chloride.

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Question 12 : Which of the following is the media composition for the production of streptomycin?

A. Glucose, soybean meal, malt extract, ammonium chloride

B. Calcium carbonate, soybean meal, glucose, peptone

C. Ammonium sulphate, soybean meal, peptone, malt extract

D. Soybean meal, glucose, peptone, malt extract, sodium chloride

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Question 13 : Which of the following fermentation processes is used in the production of penicillin?

A. Aerobic fermentation followed by anaerobic fermentation

B. Anaerobic fermentation

C. Aerobic fermentation

D. Anaerobic fermentation followed by aerobic fermentation

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Question 14 : Which of the following statements are true about penicillin at acidic pH?

A. Penicillin precipitates

B. Penicillin remains in the aqueous phase

C. Penicillin remains in the solvent phase

D. None of the above

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Question 15 : In which of the following substances is chlortetracycline soluble?

A. Water

B. Ether

C. Organic solvents

D. All of the above

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Question 16 : At normal the pH value of penicillin remains in__________.

A. Solvent phase

B. Precipitates

C. Aqueous phase

D. Both (a) and (b)

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Question 17 : The fermentation medium for oxytetracycline consists of__________.

A. CSL, Ammonium sulfate, sodium chloride and Calcium carbonate

B. CSL, Ammonium sulfate, ammonium chloride and Calcium carbonate

C. CSL, starch, Ammonium sulfate, sodium chloride and Calcium carbonate

D. CSL, starch, Ammonium sulfate, ammonium chloride and Calcium carbonate

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Question 18 : In Penicillium chrysogenum, the maximum antibiotic production occurs during the __________.

A. The second phase

B. Third phase

C. First phase

D. In all three phases

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Question 19 : The yield of the antibiotic depends upon __________.

A. Age of the inoculum

B. Only the pH of the medium

C. Composition of the medium

D. All of the above

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Question 20 : What is the pH of the fermentation medium for chlortetracycline?

A. 2-3

B. 3-4

C. 5-6

D. 8-9

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