The nuclear material without nuclear membrane is observed in

Bacteria and green algae

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Cyanobacteria and red algae

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Bacteria and cyanobacteria

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Mycoplasma and green algae

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Solution

The correct option is B Bacteria and cyanobacteria
Bacteria and cyanobacteria are prokaryotes, i.e., having pro or primitive karyon. These cells have primitive nucleus, not having a distinct nuclear membrane. These cells have a single circular molecule of DNA as genetic material but it is not present inside membrane bound nucleus.
Hence the correct option is C.

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Similar questions

Q. How many of the following organisms have nuclear membrane ?
Mycoplasma, Blue - green algae, Fungi, Bacillus, Yeast, Purple photosynthetic bacteria, E.coli, Chlamydomonas

Question 22
Which of the following statements are true for eukaryotic cells?

(i) They do not have a nuclear membrane.
(ii) They have a well organised nucleus.
(iii) They have a nuclear membrane.
(iv) Blue green algae are eukaryotic cells.

(a) ii and iv
(b) ii and iii
(c) i and ii
(d) i and iv

The single nuclear material without nuclear membrane present in the prokaryotic cell is called:

Q. Which of the following are true for eukaryotic cells?
(i) They do not have a nuclear menbrane.
(ii) They have a well organized nucleus.
(iii) They have a nuclear membrane.
(iv) Blue green algae are eukaryotic cells.

Red, brown and green algae belong to division

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