Question

The term that is used for the mode of nutrition in yeast, mushroom, and bread-mold is

• A. autotrophic
• B. insectivorous
• C. saprophytic
• D. parasitic

Answer 1

The correct option is C

saprophytic

The correct option is C.

Explanation of the correct option:

1. The mode of nutrition in which an organism derives nutrition from dead and decaying matter is called saprophytic nutrition.
2. Fungi such as actinomycetes (Agaricus) i.e. mushroom, yeast, and bread mold feed on dead and decaying organic matter to derive nutrition.
3. Saprophytic fungi absorb the nutrients from dead and organic decaying matter by secreting enzymes that help them to digest decaying organic matter.

Explanation of the incorrect options:

Option A:

1. The mode of nutrition in which organisms prepare their food is called Autotrophic nutrition.
2. Plants are autotrophs that prepare food through photosynthesis.

Option B:

1. The organisms that feed on insects are known as insectivorous.
2. Example of an insectivorous plant is the pitcher plant.

Option D:

1. The mode of nutrition in which an organism derives nutrition from the body of the host by living on it is called parasitic nutrition.
2. Protozoan such as Plasmodium lives in the body of the host (human) by deriving nutrition from the host body to complete its life cycle.

Final Answer: the term that is used for the mode of nutrition in yeast, mushroom, and bread-mold is Saprophytic.