Biology Class Quiz on Plants and Microorganisms

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Questions and Answers

Which classification of plants is differentiated by the number of seed leaves they possess?

  • Bryophyta
  • Pteridophyta
  • Gymnosperms
  • Angiosperms (correct)

What is the primary characteristic used to classify bacteria into different shapes?

  • Color of stain used
  • Shape (correct)
  • Relative size
  • Method of reproduction

Who are the historical figures associated with the study of bacteria as mentioned in the content?

  • Darwin and Wallace
  • Linnaeus and Lamarck
  • Ehrenberg and Koch (correct)
  • Pasteur and Franklin

Which of the following describes a method used for preserving milk?

<p>Pasteurization (D)</p> Signup and view all the answers

Which type of organism is classified as a bacteriophage?

<p>A virus that infects bacteria (D)</p> Signup and view all the answers

Which group of plants primarily consists of aquatic species with no roots, stems, or leaves?

<p>Algae (D)</p> Signup and view all the answers

What type of disease is specifically associated with fungi affecting crops like wheat and potatoes?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following describes organisms that create their food through photosynthesis?

<p>Autotrophic (A)</p> Signup and view all the answers

What term refers to the study of fungi?

<p>Mycology (A)</p> Signup and view all the answers

What beneficial use does Chlorella serve in space exploration?

<p>Source of oxygen (D)</p> Signup and view all the answers

Which group of plants includes the symbiotic association of fungi and algae?

<p>Lichens (A)</p> Signup and view all the answers

Which type of organisms are primarily prokaryotic and may relate to fungal diseases?

<p>Bacteria (D)</p> Signup and view all the answers

What is a characteristic effect of algal blooms on aquatic ecosystems?

<p>Eutrophication leading to decreased water quality (A)</p> Signup and view all the answers

Flashcards

Autotrophic

Plants that create their own food through photosynthesis.

Heterotrophic

Organisms that cannot produce their own food and must consume other organisms.

Symbiotic

A close, prolonged association between two or more different species.

Mutualism

A type of symbiotic relationship where both organisms benefit.

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Algae

Plants that lack true roots, stems, and leaves. They are typically aquatic.

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Fungi

Eukaryotic organisms, many of which are decomposers.

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Mycology

The study of fungi.

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Lichens

A symbiotic association of fungi and algae (or cyanobacteria).

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What is a lichen?

A symbiotic association between fungi and algae, often found growing on rocks or trees.

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What are viruses?

Microscopic, non-cellular entities that can only replicate within a host cell. They contain genetic material (DNA or RNA) surrounded by a protein coat.

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What are bacteria?

Single-celled prokaryotic organisms that can be found in various environments. They are classified based on their shape, including cocci (round), bacilli (rod-shaped), vibrios (comma-shaped), and spirilla (spiral).

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What is pasteurization?

A heat treatment process that kills harmful bacteria in milk by exposing it to a controlled temperature for a specific time.

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What are monocots and dicots?

Plants classified based on the number of seed leaves (cotyledons) in their embryos. Monocots have one seed leaf, while dicots have two.

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