Read the following statement having two blanks (A) and (B) and select the correct one out of the given options. Viroids are found to be __ A and lack ___B__ The right choice for the two blanks is
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The two microorganisms which live in symbiotic association in lichens are
Which of the following affect proteins and nucleic acids but not viruses?
Assertion: Plants absorb sulphur in the form of sulphate ions.
Reason: Sulphur bacteria are required for the formation of sulphate.
Group of bacteria used in biogas production is
Spores of true slime moulds are produced in structures called
Saprophytic and parasitic modes of nutrition are found in
Mixotrophic (dual-mode) nutrition is a characteristic of
The animals that feed by filtering food particles from water is known as
Assertion: Club Fungi usually reproduce sexually.
Reason: In club fungi, the dikaryotic stage is prolonged and periodically produces fruiting bodies, where spores are produced in basidia.
Answer: a