NEET Previous Year Question

Which of the following is a correct statement?

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. AMycoplasma have DNA, Ribosome and cell wall
  2. BCyanobacteria are a group of autotrophic organisms classified under Kingdom Monera
  3. CBacteria are exclusively heterotrophic organisms
  4. DSlime moulds are saprophytic organisms classified under Kingdom Monera

Correct answer: B

Solution

(b) Only statement (b) is correct and rest other statements are incorrect. Mycoplasma is a bacteria that lacks cell wall. Mycoplasma do not have DNA. Bacteria can be photosynthetic autotrophic or chemosynthetic autotrophic. The vast majority of bacteria are heterotrophs, i.e., they depend on other organisms or on dead organic matter for food. Slime moulds are saprophytic organisms classified under Kingdom Protista.

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