Biology - Mock Test 125

Question 1241

Which one of the following organisms is not an example of eukaryotic cells ?

A) Amoeba proteus B) Paramecium caudatum C) Escherichia coli D) Euglena viridis

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Question 1242

Plasma membrane is made up of ?

A) Protein, lipid, carbohydrate B) Lipid, carbohydrate C) Protein, lipid D) Protein

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Question 1243

Middle lamella is composed mainly of ?

A) Protein B) Hemicellulose C) Carbohydrate D) Calcium pectate

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Question 1244

Fluid mosaic model was given by ?

A) Robertson B) Schwann C) Dave Donson D) Singer and Nicholson

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Question 1245

Which one of the following also acts as a catalyst in a bacterial cell?

A) 23 sr RNA B) 5 sr RNA C) sn RNA D) hn RNA

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Question 1246

Vital stains are employed to study ?

A) Living cells B) Frozen tissues C) Fresh tissues D) Preserved tissues

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Question 1247

Phagocytosis and pinocytosis are collectively termed as ?

A) Endocytosis B) Suspension feeding C) Omnivores D) Mucous trap

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Question 1248

The two polynucleotide chains in DNA are ?

A) Semiconservative B) Parallel C) Discontinuous D) Antiparallel

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Question 1249

Purines possess nitrogen at ?

A) 1, 2, 4 and 6 position B) 1, 3, 5 and 7 position C) 1, 3, 7 and 9 position D) 1, 2, 6 and 8 position

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Question 1250

Which one of the following is not a constituent of cell membrane?

A) Phospholipids B) Cholesterol C) Glycolipids D) Proline

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