Question:
_______ are sexual spores of molds.
_______ are sexual spores of molds.
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Remember the acronym A-B-Z-O for sexual spores of molds: Ascospores, Basidiospores, Zygospores, and Oospores. All other common mold spores are asexual.
Updated On: Jul 10, 2026
- Oospores
- Arthrospores
- Sporangiospores
- Conidia
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Molds reproduce by forming spores, which can be sexual (resulting from the fusion of gametes or nuclei) or asexual (resulting from mitotic cellular division).
Step 2: Detailed Explanation:
- Oospores (A) are thick-walled sexual spores formed by the fertilization of an oosphere by an antheridium (found in oomycetes and related mold-like organisms).
Other examples of sexual spores are Zygospores, Ascospores, and Basidiospores.
- Arthrospores, sporangiospores, and conidia are all asexual spores produced by specialized reproductive structures.
Step 3: Final Answer:
Therefore, oospores are sexual spores.
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