Comparison of Asymmetric Base 7 and Pubescent 5 Senna Leaves
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Questions and Answers

What is the primary function of digitalis leaves in the treatment of congestive heart failure?

  • It has a vasodilatory effect to improve blood flow
  • It increases the force of contractility (positive inotropic effect) (correct)
  • It has a diuretic effect to reduce edema
  • It slows down the heart rate
  • What is the relationship between Lanatoside A and digitoxigenin?

  • Lanatoside A is converted to digitoxigenin
  • Lanatoside A and digitoxigenin are completely unrelated
  • Digitoxigenin is a precursor to Lanatoside A
  • Lanatoside A is a glycoside of digitoxigenin (correct)
  • Which of the following tests can be used to identify the presence of digitalis glycosides and aglycones?

  • Baljet test and Kedde's test (correct)
  • Thin layer chromatography
  • Enzyme-linked immunosorbent assay
  • High-performance liquid chromatography
  • What is the relationship between Lanatoside B and gitoxigenin?

    <p>Lanatoside B is a glycoside of gitoxigenin (B)</p> Signup and view all the answers

    In addition to its cardiotonic effects, what other property of digitalis leaves is mentioned in the text?

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

    What is the key chemical constituent in Uva Ursi leaves that gives it diuretic and antiseptic properties?

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

    What is the significance of the 5-member lactone ring in Keller-Killiani's test for Uva Ursi leaves?

    <p>It indicates the presence of 2-deoxy sugars in the glycoside (D)</p> Signup and view all the answers

    What is the meaning of the term 'Ursi' in the botanical name Arctostaphylos uva ursi?

    <p>It refers to the bear-like habitat of the plant (B)</p> Signup and view all the answers

    What is the significance of the term 'Folium Buchu' in the context of the text?

    <p>It refers to the dried leaves of Barosma (Agathosma) betulina (B)</p> Signup and view all the answers

    What is the significance of the term 'Keller-Killiani's test' in the context of Uva Ursi leaves?

    <p>It is a test to determine the presence of phenolic glycosides (A)</p> Signup and view all the answers

    What is the family of the plants mentioned in the text?

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

    Which of the following is NOT one of the Buchu plant species mentioned in the text?

    <p>B.lanceolata (A)</p> Signup and view all the answers

    What is the distinguishing feature between B.crenulate and B.serratifolia?

    <p>B.crenulate has oval leaves, while B.serratifolia has long leaves. (D)</p> Signup and view all the answers

    Which of the following is a true statement about the Buchu plants mentioned in the text?

    <p>They are all members of the Rutaceae family. (B)</p> Signup and view all the answers

    Which of the following is the most accurate scientific name for the long Buchu plant mentioned in the text?

    <p>B.serratifolia (A)</p> Signup and view all the answers

    What type of hairs are present on Senna leaves?

    <p>Unicellular hairs with warty cuticle (C)</p> Signup and view all the answers

    Which type of stomata are found in the epidermal cells of Senna leaves?

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

    What is the main chemical constituent of Senna leaves?

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

    Where are the cluster crystals of Calcium oxalate found in Senna leaves?

    <p>Idioblasts in spongy tissue (A)</p> Signup and view all the answers

    Which part of the leaf shows powdered leaves, green color, and slightly bitter taste?

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

    Which of the following statements accurately compares the size of leaflets between Alexandrian senna and Indian senna?

    <p>Alexandrian senna leaflets are larger in length but smaller in width compared to Indian senna. (A)</p> Signup and view all the answers

    Based on the information provided, which of the following statements accurately describes the surface characteristics of Alexandrian senna and Indian senna leaves?

    <p>Alexandrian senna leaves have a more pubescent surface, while Indian senna leaves have a less pubescent surface. (B)</p> Signup and view all the answers

    Which of the following statements accurately compares the shape of leaflets between Alexandrian senna and Indian senna?

    <p>Alexandrian senna leaflets are ovate lanceolate, while Indian senna leaflets are uniformly lanceolate. (B)</p> Signup and view all the answers

    According to the information provided, which of the following statements accurately compares the texture of Alexandrian senna and Indian senna leaves?

    <p>Alexandrian senna leaves have a brittle texture, while Indian senna leaves have a firmer texture. (C)</p> Signup and view all the answers

    Based on the information given, which of the following statements accurately compares the stomatal index and palisade ratio between Alexandrian senna and Indian senna?

    <p>Indian senna has a higher stomatal index and a lower palisade ratio compared to Alexandrian senna. (C)</p> Signup and view all the answers

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