Which of the following combination of characters is true for...

Name: Problem 50, Chapter 2: Objective NCERT at your FINGERTIPS: Biology
Uploaded: 2021-11-05T18:12:19-08:00
Duration: 2 min 34 s
Channel: Aflah M
Description: Which of the following combination of characters is true for slime maulds? (a) Parasitic, plasmodium without walls, spores dispersed by air currents (b) Saprophytic, plasmodium with walls, spores dispersed by water (c) Parasitic, plasmodium without walls, spores dispersed by water (d) Saprophytic, plasmodium without walls, spores dispersed by air currents

Which of the following combination of characters is true for slime maulds? (a) Parasitic, plasmodium without walls, spores dispersed by air currents (b) Saprophytic, plasmodium with walls, spores dispersed by water (c) Parasitic, plasmodium without walls, spores dispersed by water (d) Saprophytic, plasmodium without walls, spores dispersed by air currents

Which of the following combination of characters is true for slime maulds?
(a) Parasitic, plasmodium without walls, spores dispersed by air currents
(b) Saprophytic, plasmodium with walls, spores dispersed by water
(c) Parasitic, plasmodium without walls, spores dispersed by water
(d) Saprophytic, plasmodium without walls, spores dispersed by air currents

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Key Concepts

Spore Dispersal Mechanism

After thriving through the plasmodial stage, slime molds form fruiting bodies under adverse conditions. These structures produce spores that are typically light and adapted to be dispersed by air currents, facilitating the spread of the organism over a wide area.

Plasmodium (Non-Walled Stage)

In slime molds, the plasmodium is the active, motile stage characterized by a mass of cytoplasm with multiple nuclei. Unlike typical cells, this plasmodium lacks distinct cell walls, which allows for the flexible movement and fusion of cytoplasmic strands during growth and nutrient acquisition.

Slime Molds

Slime molds are a group of eukaryotic organisms traditionally classified as protists that exhibit both fungal and amoeba-like characteristics. They have unique life cycles that include free-living amoeboid stages and a plasmodial stage, during which they form a large, multinucleate mass capable of movement and nutrient absorption.

Saprophytic Nutrition

Saprophytic nutrition is the process of feeding on decaying organic matter. Most slime molds obtain nutrients by decomposing dead plant or animal material, playing an important ecological role in the recycling of nutrients in ecosystems.

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