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 Multiple Choice QuestionsShort Answer Type

141.

What is riophorins?


 Multiple Choice QuestionsMultiple Choice Questions

142.

What is mitoplast?

  • Membraneless mitochondria

  • Another name of mitochondria

  • Mitochondria without outer membrane

  • Mitochondria without inner membrane


143.

Thylakoids occur inside

  • mitochondria

  • chloroplast

  • Golgi apparatus

  • endoplasmic reticulum


144.

Mitochondria are semiautonomous as they possess

  • DNA

  • DNA and RNA

  • DNA, RNA and ribosomes

  • Protein


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145.

Which of the cell organelle lacks membrane?

  • Mesosome

  • Mitochondria

  • Ribosome

  • Liposome


146.

Chromosome is made up of

  • DNA and pectin

  • RNA and DNA

  • DNA and histone

  • only histone


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147.

Cell theory is not applicable for

  • bacteria

  • fungus

  • algae

  • virus


D.

virus

Cell theory was given by Theodor Schwann, Mathias Schleiden and Rudoplh Virchow. The cell theory states :
(i) All living organisms are composed of cells. They may be unicellular or multicellular.
(ii) The cell is the basic unit of life.
(iii) Cells arise from pre-existing cells.
The modem version of the cell theory includes the ideas:

1. Energy flow occurs within the cells.
2. Hereditary information (DNA) is passed on from cell to cell. 
3. All cells have the same basic chemical composition.


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 Multiple Choice QuestionsShort Answer Type

148.

State four important functions of plasma membrane.


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 Multiple Choice QuestionsMultiple Choice Questions

149.

The main difference between Gram positive and Gram negative bacteria is

  • cell membrane

  • cell wall

  • ribosome

  • mitochondria


150.

What is a genophore?

  • DNA in prokaryotes

  • DNA and RNA in prokaryotes

  • DNA and protein in prokaryotes

  • RNA in prokaryotes


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