Plant Parts and Medicinal Uses
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Questions and Answers

Which part of a plant do both Valerian and Hydrastis primarily have collected?

  • Seeds
  • Leaves
  • Roots and rhizomes (correct)
  • Flowers

What distinguishes some drugs classified as roots in terms of their actual plant structure?

  • They consist solely of seeds.
  • They are exclusively made of leaves.
  • They are only found in flowering plants.
  • They consist partly or wholly of rhizome. (correct)

Which of the following drugs is primarily recognized as a rhizome?

  • Rhubarb (correct)
  • Gentian
  • Hydrastis
  • Valerian

Which of the following statements about plant parts is true?

<p>Some drugs termed as roots include rhizomes. (C)</p> Signup and view all the answers

Which combination of drugs contains roots and rhizomes as part of their structure?

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

What type of cells does Metaderm consist of?

<p>Irregularly arranged suberised cells (D)</p> Signup and view all the answers

Which feature is characteristic of the Metaderm?

<p>Show intercellular spaces (C)</p> Signup and view all the answers

From which part of the plant does the Metaderm derive its cells?

<p>Outer layers of the cortex (D)</p> Signup and view all the answers

What characteristic of Metaderm indicates it is derived from cortex tissue?

<p>It possesses a few rows of cells (B)</p> Signup and view all the answers

Which of the following statements about Metaderm is true?

<p>It may exhibit intercellular spaces. (B)</p> Signup and view all the answers

What is characteristic of open vascular bundles?

<p>They are widely separated by medullary rays. (B)</p> Signup and view all the answers

Which example is mentioned in relation to open vascular bundles?

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

What is indicated by continuous ring formation in vascular bundles?

<p>Extensive development of secondary tissues (A)</p> Signup and view all the answers

In open vascular bundles, which of the following components is essential?

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

What separates the vascular bundles from each other in open bundles?

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

What is Senega derived from?

<p>The dried root and root-stock of Polygala Senega Linne (C)</p> Signup and view all the answers

Which family does Polygala Senega belong to?

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

What characteristic of Senega is noted in the description?

<p>It has fragments of smaller vessels and slit-shaped pits (C)</p> Signup and view all the answers

What type of tests are mentioned for identifying Senega?

<p>Tests for identity (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of Senega as described?

<p>It belongs to the Fabaceae family (C)</p> Signup and view all the answers

What is one of the primary sulfur-containing compounds found in garlic?

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

Where is garlic originally indigenous to?

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

What characteristic of alliin makes it notable?

<p>It is highly sensitive. (B)</p> Signup and view all the answers

Which family does garlic belong to?

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

In addition to alliin, garlic produces what type of compounds?

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

Study Notes

### Plant Parts Used for Medicine

  • Valerian and Hydrastis roots and rhizomes are used in medicine
  • Gentian and Rhubarb are commonly referred to as roots, but consist of rhizome
  • Liquorices and Rauwolfia are also used in medicine

### Metaderm

  • Metaderm is comprised of few rows of suberised cells
  • Metaderm is derived from the outer layers of the cortex
  • Metaderm may show intercellular spaces

### Vascular Bundles: Open

  • Show cambium, widely separated by medullary rays forming a single ring around the pith
  • Examples of open vascular bundles include Podophyllum
  • Open vascular bundles can have secondary tissues greatly developed, forming a continuous ring around the pith
  • Example of open vascular bundles with developed secondary tissues is Senega

### Senega

  • Senega is the dried root and root-stock of Polygala Senega Linne, Fam. Polygalaceae
  • Senega contains fragments of smaller vessels and numerous slit-shaped pits tracheids

Garlic (Allium sativum)

  • Garlic belongs to the Liliaceae family
  • Garlic is indigenous to Central Asia, but is now grown worldwide
  • Contains a volatile oil made up of sulfur containing compounds
  • The main sulfur-containing compound is alliin (S-allyl-cysteine sulfoxide), which is highly sensitive

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Description

This quiz explores various plant parts utilized in medicine, such as roots and rhizomes, along with specific examples like Valerian and Senega. Additionally, it covers the structure of Metaderm and open vascular bundles. Test your knowledge on the medicinal applications and anatomical features of these plants.

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