Cell Organelles Quiz

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Questions and Answers

What is the smallest part of the body of an organism?

  • Organ
  • Cell (correct)
  • Tissue
  • System

Which instrument uses a beam of electrons to illuminate the object for magnification?

  • Electron microscope (correct)
  • Scanning electron microscope
  • Light microscope
  • Compound microscope

Who proposed the basic cell theory along with Theodor Schwann?

  • Rudolf Virchow
  • Matthias Schleiden (correct)
  • Virchow
  • Robert Hooke

According to the modern cell theory, what is the unit of function of all living things?

<p>Cell (C)</p> Signup and view all the answers

Which type of organism is made up of millions to billions of cells?

<p>Multi-celled organism (A)</p> Signup and view all the answers

What is the internal vacuum requirement for an electron microscope?

<p>Required (D)</p> Signup and view all the answers

What is the main function of the Rough Endoplasmic Reticulum (RER)?

<p>Synthesis of proteins (A)</p> Signup and view all the answers

Which organelle is described as having varied shapes, usually sausage-like, and is involved in the synthesis of respiratory enzymes?

<p>Mitochondria (B)</p> Signup and view all the answers

What is the primary function of Lysosomes in a cell?

<p>Intracellular digestion (D)</p> Signup and view all the answers

Which feature distinguishes Golgi Apparatus from Dictyosomes in plant cells?

<p>Freely distributed in the cytoplasm (C)</p> Signup and view all the answers

What is the significant role of Ribosomes in a cell?

<p>Synthesis of proteins (A)</p> Signup and view all the answers

What distinguishes Centrosome from other organelles?

<p>Contain one or two centrioles (C)</p> Signup and view all the answers

What is the longest cell mentioned in the text?

<p>Nerve cell in the neck of a giraffe (C)</p> Signup and view all the answers

Which type of cell has a spherical, biconcave shape?

<p>Red blood cells (D)</p> Signup and view all the answers

Why does Amoeba continuously change its shape according to the text?

<p>For movement and food capture (A)</p> Signup and view all the answers

Which type of cell is described as bean-shaped?

<p>Guard cell from a plant leaf (B)</p> Signup and view all the answers

What organism is mentioned as an example of having the smallest cell?

<p>Bacteria (D)</p> Signup and view all the answers

Which type of cell is described as cylindrical?

<p>Striated muscle fibre cells (D)</p> Signup and view all the answers

What is the main function of chromoplasts?

<p>Impart colour to flowers and fruits (A)</p> Signup and view all the answers

Which organelle is known for trapping solar energy for photosynthesis?

<p>Chloroplasts (A)</p> Signup and view all the answers

What is the primary function of the nucleus in a cell?

<p>Regulate cell functions (C)</p> Signup and view all the answers

What is the role of nucleolus in a cell?

<p>Produce ribosomes (A)</p> Signup and view all the answers

Which cellular component contains chromosomes made of genes that control hereditary characteristics?

<p>Nucleus (B)</p> Signup and view all the answers

Where are chromatin fibres located within a cell?

<p>In the nucleus (C)</p> Signup and view all the answers

What is responsible for the transfer of hereditary characteristics from parents to offspring in living organisms?

<p>Gene (C)</p> Signup and view all the answers

Which organelle is responsible for providing turgidity to plant cells?

<p>Vacuole (B)</p> Signup and view all the answers

In which type of cell is the presence of plastids typically observed?

<p>Eukaryotic cell (D)</p> Signup and view all the answers

Which feature distinguishes a plant cell from an animal cell at a structural level?

<p>Presence of centrioles (C)</p> Signup and view all the answers

Which cell type has a thinner lining of cytoplasm, mostly pushed to the periphery?

<p>Eukaryotic cell (B)</p> Signup and view all the answers

Which genetic material arrangement is characteristic of eukaryotic cells?

<p>Several lengths of DNA wound around proteins (B)</p> Signup and view all the answers

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