Which of the following is a membraneless organelle

(A)Ribosome

(B)Nucleolus

(C)Basal Body

(D)All of these

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Which one is incorrect

(A)Mycoplasmas are greater than bacteria

(B)largest isolated cell is ostrich egg

(C)Nerve cells are longest cells

(D)The shape of the cell may vary with  the function they perform

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The shape of the R.B.C is

(A)round and convex

(B)round and concave

(C)round and biconcave

(D)round and biconvex

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Nerve cell is

(A)largest and branched

(B)longest and branched

(C)longest and unbranched

(D)largest and unbranched

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Which of the following represents the prokaryotic cell

(A)bacteria, blue-green algae, mycoplasma, PPLO

(B) bacteria, blue-green algae, microbes, chlorella

(C) bacteria, blue-green algae, slime moulds and Diatoms

(D) bacteria, blue-green algae only

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Which of the following is incorrect match

(A)bacillus- rod like

(B)coccus-comma shaped

(C)vibrio-comma shaped

(D)spirillum-spiral

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Which of the following is true about prokaryotic cell

(A)no well-defined nucleus

(B)naked genetic material

(C)nuclear membrane is absent

(D)All of the above

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Which of the following is not true about plasmid

(A) extra chromosomal DNA

(B)give unique genotypic characters to bacteria

(C)helps in antibiotic resistance

(D)helps in reproduction

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The common organelle present in both eukaryotes and prokaryotes is

(A)Vacuole

(B)cell membrane

(C)ribosome

(D)centrosome

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Which of the following is the characteristic of  prokaryotes

(A)mesosome

(B)naked DNA

(C)plasmid

(D)All of the above

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