Top 100 MCQ of pharmacognosy

Summary

In this video, Max Lake presents 100 pharmacognosy-related questions and their answers, offering detailed explanations for each. Topics cover plant families, active chemical compounds, pharmacological actions, and various drug tests, such as the Myers and Gold Butter screen tests. The video serves as an educational resource, helping viewers understand important concepts in pharmacognosy, including the biological sources of various plants, their medicinal uses, and the identification of key chemical compounds. Max encourages viewers to engage with the content by subscribing, liking, sharing, and commenting for more updates.

Takeaways

• 😀 Pharmacognosy is an essential subject that includes the study of medicinal plants and their uses.
• 😀 The video contains 100 questions, each related to pharmacognosy, providing answers and explanations for better understanding.
• 😀 Cinchona is a plant known for its medicinal properties, particularly its bark, which is used in the treatment of malaria.
• 😀 Devil's Dang is a synonym for 'Angel’s Trumpet,' a plant with medicinal uses.
• 😀 Anthraquinone glycosides, found in plants like Aloe Vera, play an important role in medicinal pharmacology.
• 😀 The roots of Rauvolfia serpentina are used as medicine, known for their antihypertensive properties.
• 😀 Castor oil contains a toxic substance called ricin, which is why it needs to be processed before use.
• 😀 Vinca alkaloids (e.g., vincristine and vinblastine) are used in cancer treatment due to their role in stopping cell division.
• 😀 Digitalis, derived from the foxglove plant, is a glycoside used in the treatment of heart conditions.
• 😀 Quinine, derived from the Cinchona tree, is historically used to treat malaria, a key drug in pharmacognosy.

Q & A

What is the family of the plant source for the drug 'Sarpagandha'?

The family of the plant 'Sarpagandha' is Apocynaceae.

Which alkaloid is found in the plant 'Rewolfia belladonna'?

Rewolfia belladonna contains the alkaloid Reserpine.

What is the biological source of Cinchona?

Cinchona's biological source is the bark of the Cinchona tree.

What is the pharmacological action of 'Ipecac' (IPC)?

The pharmacological action of 'Ipecac' is to induce vomiting by increasing gastric motility.

Which drug belongs to the 'Labiatae' family and is used for the treatment of cough and cold?

The drug from the 'Labiatae' family used for treating cough and cold is 'Vasica' (Adhatoda vasica).

What is the toxic substance present in castor seeds?

The toxic substance present in castor seeds is Ricin.

Which drug is used to treat gout and is derived from the 'Zingiberaceae' family?

The drug used to treat gout derived from the 'Zingiberaceae' family is 'Ginger' (Zingiber officinale).

What is the active chemical compound found in castor oil?

The active chemical compound found in castor oil is Ricinoleic acid.

What is the synonym of 'Wink' in pharmacognosy?

The synonym of 'Wink' in pharmacognosy is 'Periwinkle' (Vinca rosea).

Which test is used to detect cardiac glycosides in plants?

The 'Legal test' is used to detect cardiac glycosides in plants.