Which of the following is always absent in prokaryotic cells? fr

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 Multiple Choice QuestionsMultiple Choice Questions

331.

Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?

  • Bacteria - Lysozyme

  • Plant cells - Cellulase

  • Algae - Methylase

  • Fungi - Chitinase


332.

The Golgi complex plays a major role

  • in trapping the light and transforming it into chemical energy

  • in digesting proteins and carbohydrates

  • as energy transferring organelles

  • in post translational modification of proteins and glycosidation of lipids


333.

Which one of the following organelle in the figure correctly matches with its function?

  • Rough endoplasmic reticulum, formation of glycoproteins

  • Golgi apparatus, protein synthesis

  • Golgi apparatus, formation of glycolipids

  • Rough endoplasmic reticulum, protein synthesis


334.

The primary cell wall is mainly made up of

  • lignin

  • pectin

  • cellulose

  • protein


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335.

Which of the following is always absent in prokaryotic cells?

  • Ribosome

  • Mitochondria

  • DNA

  • Cell wall


B.

Mitochondria

A typical prokaryotic cell i.e. bacterial cell has cell wall just below the glycocalyx composed of peptidoglycan. They also have ribosomes and DNA just like eukaryotes. Prokaryotic cell does not have mitochondria to generate energy. They, instead generate few energy or ATP via glycolysis (when oxygen is available) and lactic acid fermentation (when oxygen is unavailable).


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336.

Objects less than 0.2 μm in size cannot be see an under light microscope because

  • the wave length of visible light is 3900- 7800 Å

  • only two types of lenses are used

  • maximum magnifying power of ocular lens is 20 X

  • maximum magnifying power of objective lens is 100 X


337.

Pseudopodia are produced by

  • plasma cell

  • mast cell

  • adipose cell

  • fibroblast cell


338.

The apoplast is located

  • outside the plasma membrane

  • in the entire cytosol

  • on both sides of plasma membrane

  • in the plastidial content


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339.

ATP synthesis in cell requires

  • H+ gradient across the membrane

  • K+ gradient across the membrane

  • PO4 3- gradient across the membrane

  • Ca2+ gradient across the membrane


340.

The eukaryotic cells have all of the followings except

  • peptidoglycan in the cell wall

  • the 80 S ribosome

  • nuclear membrane

  • mitochondria


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