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Decomposer Protists MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

Quick Facts

  • 12 Questions around this concept.

Solve by difficulty

Which of the following statements is not true for slime moulds?

Which of the following organisms shares features with both the fungi and animals?

Which of the following pairs lack the cell wall?

Which of the following is a correct statement?

Select the correct statements about Consumer Decomposer Protists 

A. Chlorophyll is present

B. Two types - acellular and cellular Slime molds

C. Mode of nutrition is Phagotrophic and Saprotrophic 

D. Surrounded by plasma membrane and cell wall  

In the following questions, a statement of assertion (A) is followed by a statement of reason (R) 

(1) If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark A

(2) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark B

(3) If the Assertion is a true statement but the Reason is false, then mark C

 (4) If both Assertion and Reason are false statements, then mark D

Assertion: Slide moulds are another name for consumer decomposer protists.

Reason: Many protist species are decomposers, meaning they feed on dead plants to meet their nutritional needs. 

Naked cytoplasm multinucleated and saprophytic are the characteristics of
 

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Features of acellular Slime molds include 

A. Only reproduces sexually 

B. Reproduce both sexually and asexually 

C. Have haploid ameboid stage 

D. Have diploid ameboid stage 

Concepts Covered - 1

Decomposer Protista- Slime Moulds
  • These protists possess characters of both fungi and animals.
  • They are found on dead and decaying matter.
  • Slime moulds lack chlorophyll and their mode of nutrition is saprotrophic.
  • These do not have a cell wall. The outermost layer is the cell membrane.
  • Reproduction may occur both sexually or asexually.
  • Slime mould aggregate to form a free-living thalloid body called Plasmodium. It is a wall-less mass of multinucleate protoplasm covered by slime.
  • Under unfavourable conditions, walled spores are formed on the plasmodia.
  • Slime moulds can be acellular or cellular. Acellular forms have plasmodial body while cellular forms have the amoeboid body
  •  Examples include acellular slime moulds-  Physarum, Physarella, Fuligo and cellular moulds- Dictyostelium.

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Decomposer Protista- Slime Moulds

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