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Taxonomical Aids Quiz

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Questions and Answers

What is the primary purpose of a herbarium?

To provide a living collection of various plant species.

To create a chemical preservation method for animal species.

To preserve dried plant specimens on standard size paper. (correct)

To cultivate new plant species in controlled environments.

What type of plants are typically found in botanical gardens?

Collections of hybrids manufactured in laboratories.

Only endangered species for conservation purposes.

Different varieties of plants from various parts of the world. (correct)

Only native species from the local area.

What substance is commonly used for preserving specimens in museums?

Salt water solutions for biological samples.

Distilled water for its sterilizing properties.

Formalin with concentrations ranging from 10% to 40%. (correct)

Ethanol at 70% concentration.

What kind of information is typically found on the label of a herbarium sheet?

<p>Date, place of collection, and detailed classification of the plant.</p> Signup and view all the answers

What is NOT a feature of botanical gardens?

<p>Exclusively for preservation of rare plant species.</p> Signup and view all the answers

Study Notes

Herbarium (Preservation method)

Herbarium involves dried plant specimens that are pressed, treated, and mounted on standard-sized paper sheets measuring 11.5 x 16.5 inches.
Each sheet includes vital information such as the date and place of collection, detailed classification, plant characteristics, local names, and the collector's name.
This information is provided on a label (dimensions: 12 cm x 7 cm) located in the lower right corner of the sheet.

Botanical Gardens (Ex situ conservation method)

Botanical gardens serve as collections of various plant species from around the world, showcasing biodiversity.
Each plant in the garden is accompanied by a labelled board that provides detailed information about the species.

Museums (Preservation method)

Museums house collections of preserved plants and animal species for educational and research purposes.
Preservation typically involves storing specimens in chemical liquids, particularly formalin, which can contain 10% to 40% formaldehyde.

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Description

Test your knowledge on taxonomical aids, focusing on herbarium preservation methods and botanical gardens. This quiz covers the essentials of dried plant specimens and the important details recorded in herbarium labels. Challenge yourself to understand these vital aspects of plant taxonomy.