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Standard IX
Biology
Monera
Question

Organisms that are considered to be the most primitive organisms in the world are grouped under:
  1. Kingdom Monera
  2. Kingdom Protista
  3. Kingdom Fungi
  4. Kingdom Plantae

A
Kingdom Monera
B
Kingdom Plantae
C
Kingdom Fungi
D
Kingdom Protista
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Solution
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Kingdom Monera contains unicellular, prokaryotic organisms like bacteria. These are the most primitive organisms with no defined nucleus and no membrane-bound organelles.
Hence, the correct option is A.

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Similar Questions
Q1
Organisms that are considered to be the most primitive organisms in the world are grouped under:
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Q2
Kingdom Plantae includes organisms that are
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Q3
Choose the option having the combination of correct statements:
I. Thread-like green structures floating in rivers are Kingdom Plantae organisms.
II. The green moist velvety textured structures on the rocks and trees are organisms in Kingdom Plantae.
III. Lichens are members of Kingdom Plantae.
IV. All organisms in Kingdom Plantae have shoots, roots and leaves.

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Q4
What kinds of organisms are grouped under Protista? Would you consider this kingdom a natural one?
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Q5
Assertion: Ribosomes are considered as the most primitive cell organelles.
Reason: Ribosomes do not occur in all prokaryotic organisms.
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