Silk Composition and Properties Quiz
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Questions and Answers

Which of the following is not a component of silk?

  • Water
  • Resins (correct)
  • Sericin
  • Lipids

Which of the following statements about silk is true?

  • Silk is an inorganic material
  • Silk is a synthetic fiber created in laboratories
  • Silk is a protein fiber produced by silkworms (correct)
  • Silk is a natural polymer produced by plants

What is the semi-solid mass dissolved by boiling a decoction?

  • Asava
  • Aristha
  • Lehya (correct)
  • None of the above

Which of the following is NOT a potential role of plant tissue culture?

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

In the preparation of Ghrita, if mild heating is used, the resulting Paka is known as?

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

Which marine organism is the source of the antileukemic compound bryostatin?

<p>Bugula neritina (B)</p> Signup and view all the answers

What does the term 'Centroxylic' refer to?

<p>Xylem in the centre surrounded by phloem (D)</p> Signup and view all the answers

What is the optimal ratio of auxin to cytokinin for shoot formation in plant tissue culture?

<p>Auxin:cytokinin (4:1) (C)</p> Signup and view all the answers

What is the primary use of Chlorophytum borivillianum?

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

What is the definition of the acid value of an oil or fat?

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

What is the conversion factor for 1 IU of Vitamin A?

<p>1 IU is equivalent to 0.344 μg of standard preparation (B)</p> Signup and view all the answers

What is the primary pharmacological action of the marine drug Manoalide?

<p>Anti-inflammatory (C)</p> Signup and view all the answers

Which pathway is involved in the biosynthesis of alizarin?

<p>Shikkimic acid pathway (A)</p> Signup and view all the answers

At what temperature is the optical rotation of herbal drugs determined?

<p>25°C (C)</p> Signup and view all the answers

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