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Cell Theory

Which of the ...

Question

Which of the following statement(s) is/are correct?

A

Prokaryotes do not have a definite nucleus.

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B

Eukaryotes have membrane-bound cell organelles.

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C

Prokaryotes are larger than eukaryotes.

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D

Prokaryotes do not have cytoplasm.

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Solution

The correct options are
A Prokaryotes do not have a definite nucleus.
B Eukaryotes have membrane-bound cell organelles.
Prokaryotic cells are considered as primitive. They do not have a well defined nucleus and also lack membrane-bound organelles. Eukaryotic cells on the other hand, have a well-defined nucleus. All the membrane-bound cell organelles like mitochondria, golgi apparatus, etc are also present. Prokaryotic cells are smaller than eukaryotic cells. Cytoplasm is a structural component of a cell. It is present in all the cells.

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Similar questions

Which of the two does not have a true nucleus: prokaryotic cell or eukaryotic cell?

Which of the following is correct:

(a) Cells of all living organisms have a nucleus.

(b) Both animal and plant cells have a well-defined cell wall.

(c) In prokaryotes, there are no membrane-bound organelles.

(d) Cells are formed de novo from abiotic materials.

Q. Statement I : All prokaryotes have a cell wall, eukaryotes do not.
Statement II : Prokaryotes have a true nucleus, eukaryotes have a primitive nucleus.

Q. Which of these statements is/are true?

(i) The surface area available for cellular functions in a prokaryotic cell is less than that in a eukaryotic cell.
(ii) The total genome size of a prokaryotic cell is always less than that of a eukaryotic cell.
(iii) Unlike eukaryotes, no special respiratory organelles are found in prokaryotes. Hence they respire at a much less rate than eukaryotes.
(iv) Eukaryotic cells show various membrane-bound organelles such as chloroplasts and nucleus while ribosomes are the only membrane-bound organelles found in prokaryotes.

Q. Assertion (A) : Both prokaryotes and eukaryotes are well developed.
Reason (R) : Eukaryotes have nuclear membrane as well as membrane bound cell organelles.

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