Understanding Antibiotics and Penicillin

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Questions and Answers

Which Nobel Prize winner discovered penicillin?

  • Joseph Lister
  • Robert Koch
  • Louis Pasteur
  • Alexander Fleming (correct)

Which type of antibiotic is Cyclosporin A?

  • Beta-lactam antibiotics
  • Macrolide antibiotics
  • Tetracycline antibiotics
  • None of the above (correct)

How do microbes contribute to human welfare through the production of Curd?

  • By lowering blood cholesterol
  • By providing a probiotic food rich in nutrients (correct)
  • By producing biogas
  • By synthesizing penicillin

Who won the Nobel Prize for the discovery of penicillin along with Alexander Fleming?

<p>Howard Florey and Ernst Chain (B)</p> Signup and view all the answers

What is the primary method for purifying antibiotics like penicillin?

<p>Crystallization (C)</p> Signup and view all the answers

Which of the following is NOT obtained from microbes?

<p>Steroids (A)</p> Signup and view all the answers

In what area did Gerhard Domagk's work with Prontosil significantly contribute?

<p>Antibiotics (C)</p> Signup and view all the answers

Which of the following antibiotics is NOT mentioned in the text?

<p>Amoxicillin (D)</p> Signup and view all the answers

Who among the following is associated with significant contributions to biogas production?

<p>Louis Pasteur (A)</p> Signup and view all the answers

What is the function of Leydig cells in the male reproductive system?

<p>Synthesize and secrete androgens (B)</p> Signup and view all the answers

Which part of the female reproductive system is responsible for producing the female gamete (ovum)?

<p>Ovaries (A)</p> Signup and view all the answers

What is the primary function of Sertoli cells in the male reproductive system?

<p>Provide nutrition to dividing germ cells (C)</p> Signup and view all the answers

Which part of the male external genitalia is responsible for the transportation of sperms?

<p>Vas deferens (C)</p> Signup and view all the answers

What structures are embedded in the stroma of the ovaries?

<p>Ovarian follicles (B)</p> Signup and view all the answers

Which part of a normal human sperm contains the genetic material?

<p>Head (A)</p> Signup and view all the answers

What is the main function of the male accessory ducts in reproduction?

<p>Transport sperm (D)</p> Signup and view all the answers

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