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 Multiple Choice QuestionsMultiple Choice Questions

221.

The smooth endoplasmic reticulum is the major site for synthesis of

  • Protein

  • Lipid

  • Glycoproteins

  • Carbohydrates

  • Carbohydrates


222.

Which of these is wrongly matched?

  • 70 S ribosomes — Prokaryotes

  • 80 S ribosomes — Eukaryotes

  • Axoneme — Cilia

  • Centromere — Centrosome

  • Centromere — Centrosome


223.

Which of the following statements is not correct?

  • The hydrolytic enzymes of lysosomes are active under acidic pH

  • Lysosomes are membrane bound structures

  • Lysosomes are formed by the process of packaging in the endoplasmic reticulum

  • Lysosomes have numerous hydrolytic enzymes


224.

The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by

  • Theodore Schwann

  • Schleiden

  • Aristotle

  • Rudolf Virchow


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225.

Which of the following statements regarding mitochondria is incorrect?

  • Enzymes of electron transport are embedded in outer membrane.

  • Inner membrane is convoluted with infoldings.

  • Mitochondrial matrix contains single circular DNA molecule and ribosomes.

  • Outer membrane is permeable to monomers of carbohydrates, fats and proteins.


226.

The shorter and longer arms of a submetacentric chromosome are referred to as

  • p-arm and q-arm respectively

  • q-arm and p-arm respectively

  • m-arm and n-arm respectively

  • s-arm and l-arm respectively


227.

Which of the following pair of organelles does not contain DNA?

  • Chloroplast and Vacuoles

  • Lysosomes and Vacuoles

  • Nuclear envelope and Mitochondria

  • Mitochondria and Lysosomes


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