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 Multiple Choice QuestionsMultiple Choice Questions

101.

In which part of mitochondria does ATP synthesis occur?

  • F1

  • F0

  • Cristae

  • Inner membrane of mitochondria


102.

Phospholipids are

  • amphipathic

  • hydrophobic

  • amphibolic

  • none of these


103.

In bacteria respiration occurs in

  • cytoplasmic membrane

  • mitochondria

  • nuclear membrane

  • endoplasmic reticulum


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104. All tissues consist of cells sentence was said by
  • Wallace

  • Virchow

  • Schleiden

  • None of these


C.

Schleiden

Schleiden (1838) proposed cell theory and said, "all tissues consist of cell".


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105.

Maximum absorption of light occurs in the region of

  • 400 - 700 nm

  • 700 - 900 nm

  • 1000 - 1200 nm

  • 1500 - 2000 nm


106.

Assertion : Pili are tubular structures present in bacteria which help in conjugation.

Reason : Formation of pili is controlled by F+  or fertility factor.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false

  • If both assertion and reason are false


107.

Assertion : In opposite phyllotaxy two leaves are borne on the opposite sides of a single node.

Reason : Opposite phyllotaxy is seen in China rose and Oleander.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false


108.

Which of the following organelles contain DNA?

(i) Mitochondria (ii) Chloroplasts (iii) Golgi bodies (iv) Ribosomes

  • (i) and (ii)

  • (ii) and (iii)

  • (i) only

  • (iv) only


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109.

Assertion: Mitochondria and chloroplasts have their own genome.

Reason: Endoplasmic reticulum and Golgi body are the cell organelles which have their own DNA.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false.

  • If both assertion and reason are false.


110.

Who invented electron microscope?

  • Janssen

  • Edison

  • Knoll and Ruska

  • Landsteiner


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