- 1. Pharmacognosy is the study of medicinal drugs derived from plants, animals, and other natural sources. It involves the isolation, identification, and extraction of bioactive compounds from these sources, and the exploration of their potential therapeutic effects. Pharmacognosy combines knowledge from various disciplines like botany, chemistry, and pharmacology to understand the biological and chemical properties of natural substances. This field plays a crucial role in drug discovery, as many modern medicines have been developed or inspired by natural products. Researchers in pharmacognosy seek to uncover new drug candidates, study traditional medicinal practices, and promote the sustainable use of natural resources for therapeutic purposes.
What is pharmacognosy?
A) The study of psychological effects of drugs
B) The study of drugs used in surgery
C) The study of synthetic drugs
D) The study of drugs derived from natural sources
- 2. Which natural source is often used in pharmacognosy?
A) Plants
B) Fungi
C) Bacteria
D) Animals
- 3. What is the active constituent of a plant responsible for its medicinal properties called?
A) Toxin
B) Vitamin
C) Phytochemical
D) Antibody
- 4. Which part of the plant is responsible for photosynthesis and the production of phytochemicals?
A) Leaves
B) Roots
C) Seeds
D) Flowers
- 5. Which plant is known for its use in traditional Chinese medicine and contains artemisinin, a compound used to treat malaria?
A) Ginseng
B) Garlic
C) Echinacea purpurea
D) Artemisia annua
- 6. What is the layer of cells, often found on the outer surface of a plant, that serves as protection called?
A) Xylem
B) Endodermis
C) Cambium
D) Epidermis
- 7. Which of the following is a traditional medicine system based on the balancing of energies within the body?
A) Naturopathy
B) Homeopathy
C) Allopathy
D) Ayurveda
- 8. Which part of the plant is responsible for water and nutrient uptake from the soil?
A) Stems
B) Flowers
C) Roots
D) Leaves
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