Comparison of Asymmetric Base 7 and Pubescent 5 Senna Leaves

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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?

Lanatoside B is a glycoside of gitoxigenin (B) Signup and view all the answers

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

Diuretic effect (C) Signup and view all the answers

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

Arbutin (D) 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?

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

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

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

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

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

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

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

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

Rutaceae (A) Signup and view all the answers

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

B.lanceolata (A) Signup and view all the answers

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

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

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

They are all members of the Rutaceae family. (B) 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?

B.serratifolia (A) Signup and view all the answers

What type of hairs are present on Senna leaves?

Unicellular hairs with warty cuticle (C) Signup and view all the answers

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

Paracytic (D) Signup and view all the answers

What is the main chemical constituent of Senna leaves?

Anthraquinone glycoside (A) Signup and view all the answers

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

Idioblasts in spongy tissue (A) Signup and view all the answers

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

Lower epidermis (D) Signup and view all the answers

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

Alexandrian senna leaflets are larger in length but smaller in width compared to Indian senna. (A) 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?

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

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

Alexandrian senna leaflets are ovate lanceolate, while Indian senna leaflets are uniformly lanceolate. (B) 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?

Alexandrian senna leaves have a brittle texture, while Indian senna leaves have a firmer texture. (C) 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?

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