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Chapter 2: Problem 77

Ascomycetes are mostly (a) Acellular (b) Unicellular (c) Multicellular (d) All of these

Short Answer

Expert verified
Ascomycetes are mostly multicellular.

Step by step solution

01

Understanding the terms

Firstly, get to know what the terms acellular, unicellular, and multicellular mean. Acellular means not made up of or containing cells, unicellular organisms are made up of one cell, while multicellular organisms are made up of more than one cell.
02

Research about Ascomycetes

Now, research what are Ascomycetes? Ascomycetes are a class of fungi, also known as sac fungi. Fungi are typically multicellular, with some exceptions which are unicellular like yeast.
03

Draw a conclusion

Considering the nature of Ascomycetes, which are likely to be multicellular (as most fungi are), it can be concluded that option 'c' is correct.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Multicellular Organisms
Multicellular organisms are made up of more than one cell, allowing them to form complex structures and systems. Unlike unicellular organisms, which consist of a single cell, multicellular organisms have various cell types and functions.
These organisms can develop tissues, organs, and systems, enhancing their ability to perform intricate tasks for survival and adaptation. For example, human beings are multicellular organisms comprising billions of cells with different roles.
  • Cells in multicellular organisms can specialize to perform specific functions.
  • They often communicate with each other to maintain the organism's homeostasis.
  • They generally exhibit higher levels of organization, from cellular level to organismal level.
In the context of fungi, many Ascomycetes exhibit multicellular structures, forming complex networks called mycelium that make up the body of the fungi.
Unicellular Organisms
Unicellular organisms are composed of a single cell, and it carries out all the functions necessary for life. These organisms are simpler than their multicellular counterparts but are still incredibly varied and important.
Common examples include bacteria and yeast, some of which belong to the Ascomycetes fungi group. Unicellular organisms possess remarkable abilities to adapt and survive in various environments.
  • Their small size allows quick adaptations to environmental changes.
  • Reproduction often occurs through simple processes like binary fission.
  • They are found in virtually all environments, from deep ocean vents to human bodies.
Yeast, a single-celled organism within the Ascomycetes, is popularly used in baking and brewing because of its ability to ferment sugars.
Fungi Biology
Fungi make up their own kingdom in biological classification, distinct from plants and animals. These organisms can be unicellular or multicellular and have significant ecological roles. Unlike plants, fungi do not perform photosynthesis; instead, they obtain energy by decomposing organic matter.
Fungi exhibit various forms, ranging from the unicellular yeasts to multicellular molds and mushrooms. Ascomycetes are a significant group within fungi, characterized by their unique spore-producing structures called asci.
  • Fungi play a critical role in nutrient cycling within ecosystems.
  • They can form symbiotic relationships with plants, such as mycorrhizae.
  • Several fungi are valuable in biotechnology, agriculture, and medicine.
Understanding the life cycle and biology of fungi such as Ascomycetes helps scientists harness their potential for human benefit.

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Most popular questions from this chapter

Unicellular ascomycetes is (a) Penicillium (b) Alternaria (c) Saccharomyces (yeast) (d) Agaricus

Pigments of euglenoids are identical to (a) Bacteria (b) Diatoms (c) Dinoflagellates (d) Higher plants

Select the total number of disease from the following caused by bacteria: Mumps, Smallpox, Citrus canker, Cholera, Typhoid, Tetanus, Sleeping sickness, Malaria (a) 2 (b) 4 (c) 5 (d) 6

Dikaryon and dikaryophase is seen in the case of (a) Ascomycetes (b) Basidiomycetes (c) Phycomycetes (d) Both (a) and (b)

In cell wall forms two thin overlapping shells which fit together as in a soap box. (a) Dinoflagellates (b) Diatoms (c) Euglenoids (d) None of these
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