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Agriculture LibreTexts

Chapter 2 Quiz

Which is not correct?

  1. Robert Brown discovered the cell
  2. Schleiden and Schwann formulated the cell theory
  3. Virchow explained that cells are formed from pre-existing cells
  4. A unicellular organism carries out its life activities within a single cell

Ans: A

 

New cells develop from

  1. Bacterial fermentation
  2. Regeneration of old cells
  3. Pre-existing cells
  4. Abiotic material

Ans: C

 

Prokaryotic cells are characterized by

  1. Distinct nuclear membrane
  2. Distinct chromosomes
  3. Absence of chromatin material
  4. Absence of nuclear membranes

Ans: D

 

Which of the following cell organelle play the most significant role in protein synthesis ?

  1. Lysosome and vacuole
  2. Endoplasmic reticulum and Ribosome
  3. Golgi apparatus and Mitochondria
  4. Lysosome and mitochondria

Ans: B

 

Which organelle in the cell, other than nucleus, contains DNA ?

  1. Endoplasmic reticulum
  2. Lysosome
  3. Golgi apparatus
  4. Mitochondria

Ans: D

 

The function of a cell wall is

  1. To give definite shape to the cell
  2. To provide mechanical strength and protection to the cell
  3. To prevent the cell from desiccation
  4. All of the above

Ans: D

 

Cell membrane is

  1. Permeable
  2. Selectively permeable
  3. Semipermeable
  4. Impermeable

Ans: C