343835
Assertion : While working on staphylococci , Alexander Fleming observed that Penicillium notatum inhibits the growth of the bacteria. Reason : This inhibiting chemical was commercially extracted and its full potential was established by Alexander Fleming.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Alexander Fleming while working on Staphylococci bacteria , once observed a mould growing in one of his unwashed culture plates around which Staphylococci could not grow. He found that it was due to a chemical produced by the mould and he named it Penicillin after the mould Penicillium notatum. However, its full potential as an effective antibiotic was established by Ernest chain and Howard florey.
BIOXII10: MICROBES IN HUMAN WELFARE
343836
Select incorrect statement on antibiotics
1 Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become infected.
2 Antibiotics have saved millions of people
3 A broad spectrum antibiotic destroys a number of pathogens
4 Pencillin, bacitracin and cephalosporin disrupt bacterial cell wall formation
Explanation:
Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become eradicated.
343835
Assertion : While working on staphylococci , Alexander Fleming observed that Penicillium notatum inhibits the growth of the bacteria. Reason : This inhibiting chemical was commercially extracted and its full potential was established by Alexander Fleming.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Alexander Fleming while working on Staphylococci bacteria , once observed a mould growing in one of his unwashed culture plates around which Staphylococci could not grow. He found that it was due to a chemical produced by the mould and he named it Penicillin after the mould Penicillium notatum. However, its full potential as an effective antibiotic was established by Ernest chain and Howard florey.
BIOXII10: MICROBES IN HUMAN WELFARE
343836
Select incorrect statement on antibiotics
1 Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become infected.
2 Antibiotics have saved millions of people
3 A broad spectrum antibiotic destroys a number of pathogens
4 Pencillin, bacitracin and cephalosporin disrupt bacterial cell wall formation
Explanation:
Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become eradicated.
NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII10: MICROBES IN HUMAN WELFARE
343835
Assertion : While working on staphylococci , Alexander Fleming observed that Penicillium notatum inhibits the growth of the bacteria. Reason : This inhibiting chemical was commercially extracted and its full potential was established by Alexander Fleming.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Alexander Fleming while working on Staphylococci bacteria , once observed a mould growing in one of his unwashed culture plates around which Staphylococci could not grow. He found that it was due to a chemical produced by the mould and he named it Penicillin after the mould Penicillium notatum. However, its full potential as an effective antibiotic was established by Ernest chain and Howard florey.
BIOXII10: MICROBES IN HUMAN WELFARE
343836
Select incorrect statement on antibiotics
1 Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become infected.
2 Antibiotics have saved millions of people
3 A broad spectrum antibiotic destroys a number of pathogens
4 Pencillin, bacitracin and cephalosporin disrupt bacterial cell wall formation
Explanation:
Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become eradicated.
343835
Assertion : While working on staphylococci , Alexander Fleming observed that Penicillium notatum inhibits the growth of the bacteria. Reason : This inhibiting chemical was commercially extracted and its full potential was established by Alexander Fleming.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
Explanation:
Alexander Fleming while working on Staphylococci bacteria , once observed a mould growing in one of his unwashed culture plates around which Staphylococci could not grow. He found that it was due to a chemical produced by the mould and he named it Penicillin after the mould Penicillium notatum. However, its full potential as an effective antibiotic was established by Ernest chain and Howard florey.
BIOXII10: MICROBES IN HUMAN WELFARE
343836
Select incorrect statement on antibiotics
1 Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become infected.
2 Antibiotics have saved millions of people
3 A broad spectrum antibiotic destroys a number of pathogens
4 Pencillin, bacitracin and cephalosporin disrupt bacterial cell wall formation
Explanation:
Because of the discovery of antibiotics in the twentieth century, a number of dreaded diseases have become eradicated.