In which method of transport, in plasma membrane does not require

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 Multiple Choice QuestionsMultiple Choice Questions

131.

Mesophyll cells, which liberate malic acid at night time, are of :

  • C4 - plants

  • C3 - plants

  • C2 - plants

  • C1 - plants


132.

What is the structural element of cell wall?

  • Matrix

  • Microtubules

  • Microfibrils

  • Arabinogalactans


133.

The Gram (-) bacteria detect and respond to the chemicals in their surroundings by

  • muramic acid

  • lipopolysaccharide

  • volutin granules

  • porin


134.

Small particles projecting from the inner membranes and cristae of mitochondria are known as

  • myeloid bodies

  • microsomes

  • informosomes

  • oxysomes


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135.

The resolving power of a compound light microscope will be greatest if the source of light is

  • blue

  • green

  • yellow

  • red


136.

Primary and secondary active transport both

  • generate ATP

  • use ATP directly

  • can move solutes against their concentration gradient

  • include the passive movement of glucose molecule


137.

Which type of membrane is most abundant within a cell?

  • ER membrane

  • Nuclear membrane

  • Golgi membrane

  • Plasma membrane


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138.

In which method of transport, in plasma membrane does not require carrier molecule?

  • Active transport

  • Facilitated diffusion

  • Simple diffusion

  • Na+ - K+ pump


C.

Simple diffusion

In simple diffusion transport across the cell membrane takes place unaided, ie, molecule of gases such as oxygen, carbon dioxide and small molecules enter the cell by crossing the membrane without the help of any permease.


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139.

Which structure is present in both prokaryotic and eukaryotic plant cells?

  • Cell wall

  • Nucleus

  • Chloroplast

  • Mitochondria


 Multiple Choice QuestionsShort Answer Type

140.

What is telomere? State its function.


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