CBSE · Class 7 · Science · Respiration in OrganismsWhich organisms can survive in the absence of air (oxygen) and are used to make wine and beer?
Step-by-Step Solution
Yeasts are single-celled organisms that respire anaerobically in the absence of air. During this process, they yield alcohol and are used in the brewing and baking industries.
Detailed Options Breakdown
Option : Earthworms
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
Option 1: Yeasts (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Fish
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
Option 3: Cockroaches
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Respiration in Organisms.
💡 Study Guide: This question tests core syllabus concepts from Respiration in Organisms. For formulas, key summaries, and mock exam reference guides, read the full Respiration in Organisms Revision Notes.