Exploring Subterranean Organs in Pharmacognosy

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Questions and Answers

Which of the following is NOT a function of subterranean organs in plants?

Producing reserve food materials
Providing support to the plant
Asexual reproduction (correct)
Absorbing water and nutrients

What is the main difference between subterranean stems and roots from a pharmacognosy point of view?

Chemical composition
Morphology and histology (correct)
Function and location
Cellular structure

Which subterranean organ is responsible for storing reserve food materials?

Rhizomes
Bulbs
Tubers (correct)
Corms

What is the main function of subterranean roots?

<p>Absorbing water and nutrients (A)</p> Signup and view all the answers

Which of the following is a subterranean organ that grows under the ground or near the soil?

<p>Stems (B)</p> Signup and view all the answers

Flashcards

What is NOT a function of subterranean organs in plants?

Subterranean organs are plant parts that grow underground, like roots and stems. These organs have several important functions, but one thing they don't do is produce new plants through asexual reproduction. That's usually done by other parts like bulbs or cuttings.

What is the main difference between subterranean stems and roots?

Subterranean stems and roots differ in their physical structure (morphology) and internal organisation (histology). This distinction is significant in pharmacognosy, the study of medicinal plants, as it affects how these organs are used and their medicinal properties.

What organ stores reserve food?

Tubers are swollen, underground stems that act as storage vessels for food reserves. They're packed with nutrients, making them vital for the plant's survival and growth.

What is the main function of subterranean roots?

Subterranean roots are the primary anchors and nutrient absorbers for plants. They draw water and essential minerals from the soil, providing the plant with sustenance for growth.

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What is a subterranean organ that grows under the ground or near the soil?

Stems are the supporting structures of plants, often growing above ground. However, some types of stems can grow underground or near the soil surface, forming structures like tubers or rhizomes.

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Study Notes

Subterranean Organs in Plants

Photosynthesis is NOT a function of subterranean organs in plants.

Subterranean Stems and Roots

The main difference between subterranean stems and roots from a pharmacognosy point of view is their internal structure and external morphology.

Function of Subterranean Roots

The main function of subterranean roots is to absorb water and minerals from the soil.

Reserve Food Storage

Tubers are responsible for storing reserve food materials.

Types of Subterranean Organs

Rhizomes are a subterranean organ that grows under the ground or near the soil.

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Description

Test your knowledge on subterranean organs in pharmacognosy with this quiz! Learn about the functions and importance of these organs for vegetative propagation. Perfect for Pharm D third-semester students.