Botany MCQs
Topic Notes: Botany
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
The ashes of which plant are traditionally used to treat acidity and dyspepsia?
Answer:
Equisetum arvense
In traditional medicine, the ashes of Equisetum arvense have been utilized for their therapeutic properties. Due to the high silica content and other mineral constituents present in the plant, the ash is sometimes used as an antacid to alleviate symptoms of dyspepsia and gastric acidity. However, such traditional uses should be approached with caution and scientific verification regarding dosage and safety.
2
What is the traditional medicinal application of the species Equisetum arvense?
Answer:
Diuretic
Equisetum arvense, commonly known as field horsetail, has been used in traditional medicine for centuries. One of its most well-documented uses is as a diuretic, helping to increase urine production and support kidney function. It contains various minerals and compounds that contribute to its therapeutic properties.
3
For what practical purposes are the silica-rich stems of Equisetum historically utilized?
Answer:
A and b both
The epidermis of Equisetum stems contains significant deposits of silica (silicon dioxide). Due to this abrasive quality, the stems have been historically used as a natural scouring agent for cleaning metal utensils and for fine-sanding or polishing wood surfaces, earning the plant the common name 'scouring rush'.
4
Which plant species is known for accumulating small amounts of gold in its tissues?
Answer:
Equisetum arvense
Equisetum arvense, commonly known as field horsetail, is a hyperaccumulator plant. Research has indicated that it can absorb and concentrate trace amounts of minerals, including gold, from the soil through its root system. This phenomenon is of interest in the field of biogeochemical prospecting, where plants are used as indicators to locate mineral deposits in the underlying geological strata.