Linkage in Glycosides Quiz

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Questions and Answers

What is the main reason that cyanogenic glycosides have limited medical applications?

  • They have a narrow therapeutic index
  • They have low bioavailability
  • They have poisonous properties due to the release of HCN (correct)
  • They are difficult to extract from plants

Which of the following is the correct chemical test for the steroidal component of cardiac glycosides?

  • Kedde's test
  • Keller-Killiani's test
  • Baljet test
  • Liebermann's test (correct)

Which of the following is a key pharmacological property of steroidal cardiac glycosides?

  • They have diuretic effects (correct)
  • They act as antioxidants
  • They are used as antirheumatic agents
  • They inhibit protein synthesis

What is the primary biological function of thioglycosides in plants?

<p>To serve as plant defense compounds (D)</p> Signup and view all the answers

Which of the following is a characteristic property of saponin glycosides?

<p>They form stable foams in aqueous solutions (A)</p> Signup and view all the answers

What is the primary use of steroidal sapogenins derived from saponin glycosides?

<p>In the production of cortisone and sex hormones (B)</p> Signup and view all the answers

What is the most common type of glycoside naturally occurring?

<p>β-Dglucose (A)</p> Signup and view all the answers

Which chemical classes do aglycones belong to?

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

Which type of glycoside is used in urethritis and cystitis?

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

Which group of glycosides is regarded as laxatives and purgatives?

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

What color do Anthocyanin glycosides give in aqueous alkali layer?

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

What is the main biological activity of Hesperidin glycoside in humans?

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

When do Solanaceous leaves have higher alkaloid content?

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

Which one of the following is not a factor affecting plant growth?

<p>Amount of rainfall (C)</p> Signup and view all the answers

During which season do Rhubarb plants contain anthranols?

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

What is the specific indication for cannabis indica?

<p>Growing in India (D)</p> Signup and view all the answers

Which stage of maturity contains higher alkaloid content in All Solanaceous leaves?

<p>During the flowering stage (C)</p> Signup and view all the answers

Where does Digitalis contain higher cardiac glycoside content?

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

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