You Are Given Five Test Tubes, Each Containing an Unknown

question 11

Multiple Choice

You are given five test tubes, each containing an unknown protist, and your task is to read the following description and match these five protists to the correct test tube.
In test tube 1, you observe an organism feeding. Your sketch of the organism looks very similar to Figure 28.1. When light, especially red and blue light, is shone on the tubes, oxygen bubbles accumulate on the inside of test tubes 2 and 3. Chemical analysis of test tube 3 indicates the presence of substantial amounts of silica. Chemical analysis of test tube 2 indicates the presence of a chemical that is toxic to fish and humans. Microscopic analysis of organisms in test tubes 2, 4, and 5 reveals the presence of permanent, membrane-bounded sacs just under the plasma membrane. Microscopic analysis of organisms in test tube 4 reveals the presence of an apicoplast in each. Microscopic analysis of the contents in test tube 5 reveals the presence of one large nucleus and several small nuclei in each organism.

Figure 28.1
-Test tube 4 contains

• A) Paramecium.
• B) Navicula (diatom).
• C) Pfiesteria (dinoflagellate).
• D) Entamoeba.
• E) Plasmodium.

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Definitions:

Knowledge Society

A society in which much of the labour force has migrated from manual work to work based on knowledge.

Manual Work

Physical or labor-intensive tasks performed by humans, not machines or automation.

Operations Management

The area of management concerned with designing and controlling the process of production and redesigning business operations.

Inputs

Refers to the resources used in the production process, including raw materials, labor, and capital, essential for the creation of goods or services.