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 Multiple Choice QuestionsMultiple Choice Questions

81.

The phrase "Omnis cellula e cellula' was given by

  • Virchow

  • Pasteur

  • Schleiden

  • Brown


82.

Membrane is absent in

  • Nucleus

  • Nucleolus

  • Vacuole

  • Lysosome


83.

In prokaryotes, chromatophores are

  • Specialised granules responsible for the colouration of cells

  • Structures responsible for organising the shape of the organism

  • Inclusion bodies lying free inside the cells for carrying out various metabolic activities

  • Internal membrane systems that may become extensive and complex in photosynthetic bacteria


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84.

Endoplasmic reticulum is in continuation with

  • Golgi body

  • nuclear wall

  • mitochondria

  • cell wall


B.

nuclear wall

Endoplasmic reticulum is the network of delicate strands and vesicles that extends from cell membrane to nuclear membrane. 

Cell wall is the outermost covering of plant cell made up of cellulose.

Golgi bodies are double membrane bound cell organelles of eukaryotic cells which consist of vesicle, tubule and cisternae.

Mitochondria is a rod shaped, double membrane bound cell organelles.


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85.

The vacuole is lined by a membrane called

  • tonoplast

  • jacket

  • cell membrane

  • tonoplasm


86.

Cell theory was proposed by 

  • Virchow

  • Schleiden and Schwann

  • Robert Hooke

  • B McClintock


87.

Who for the first time developed electron microscope?

  • Knoll and Ruska

  • Rudolf and Kolliker

  • Robert Hooke

  • Swanson


88.

During DNA replication in prokaryotes DNA is anchored to

  • chromosome

  • mesosome

  • nucleolus

  • ribosome


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89.

The mineral present in cell wall is

  • Na

  • Ca

  • K

  • Mg


90.

Which organelle is present in higher number in secretory cells?

  • Dictyosome

  • ER

  • Lysosome

  • Vacuole


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