Cell: The Unit of Life

Class 11 · Biology

114 questions48 easy48 medium18 hard

Sample Questions

Q1.What are grana in a chloroplast?

  • AThe semi-fluid matrix
  • BStacks of thylakoids arranged like piles of coins
  • CThe outer membrane of the chloroplast
  • DCircular DNA molecules

Q2.What are cristae in mitochondria?

  • AExtensions of the outer membrane
  • BInfoldings of the inner membrane towards the matrix
  • CStacks of thylakoids
  • DInclusion bodies in the matrix

Q3.How are lysosomes formed?

  • ABy budding from the plasma membrane
  • BBy the process of packaging in the Golgi apparatus
  • CBy division of pre-existing lysosomes
  • DBy the endoplasmic reticulum directly

Q4.How do pili differ from flagella in bacteria?

  • APili are for motility while flagella are for attachment
  • BPili are elongated tubular structures that do not play a role in motility
  • CPili are longer than flagella
  • DPili are found only in eukaryotes

Q5.Which of the following is NOT a function of mesosomes?

  • ACell wall formation
  • BDNA replication and distribution to daughter cells
  • CPhotosynthesis
  • DRespiration

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Bacterial Flagella, Pili and FimbriaeCell Envelope and Bacterial StructureCell Membrane and Fluid Mosaic ModelCell Theory and DiscoveryCell WallCilia, Flagella and CytoskeletonEndoplasmic ReticulumGolgi ApparatusLysosomes and VacuolesMitochondriaNucleus and ChromosomesPlastids and ChloroplastsProkaryotic vs Eukaryotic CellsRibosomes and Inclusion Bodies

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