Cell Organelles Quiz

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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?

Cell (C) Signup and view all the answers

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

Multi-celled organism (A) Signup and view all the answers

What is the internal vacuum requirement for an electron microscope?

Required (D) Signup and view all the answers

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

Synthesis of proteins (A) 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?

Mitochondria (B) Signup and view all the answers

What is the primary function of Lysosomes in a cell?

Intracellular digestion (D) Signup and view all the answers

Which feature distinguishes Golgi Apparatus from Dictyosomes in plant cells?

Freely distributed in the cytoplasm (C) Signup and view all the answers

What is the significant role of Ribosomes in a cell?

Synthesis of proteins (A) Signup and view all the answers

What distinguishes Centrosome from other organelles?

Contain one or two centrioles (C) Signup and view all the answers

What is the longest cell mentioned in the text?

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

Which type of cell has a spherical, biconcave shape?

Red blood cells (D) Signup and view all the answers

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

For movement and food capture (A) Signup and view all the answers

Which type of cell is described as bean-shaped?

Guard cell from a plant leaf (B) Signup and view all the answers

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

Bacteria (D) Signup and view all the answers

Which type of cell is described as cylindrical?

Striated muscle fibre cells (D) Signup and view all the answers

What is the main function of chromoplasts?

Impart colour to flowers and fruits (A) Signup and view all the answers

Which organelle is known for trapping solar energy for photosynthesis?

Chloroplasts (A) Signup and view all the answers

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

Regulate cell functions (C) Signup and view all the answers

What is the role of nucleolus in a cell?

Produce ribosomes (A) Signup and view all the answers

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

Nucleus (B) Signup and view all the answers

Where are chromatin fibres located within a cell?

In the nucleus (C) Signup and view all the answers

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

Gene (C) Signup and view all the answers

Which organelle is responsible for providing turgidity to plant cells?

Vacuole (B) Signup and view all the answers

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

Eukaryotic cell (D) Signup and view all the answers

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

Presence of centrioles (C) Signup and view all the answers

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

Eukaryotic cell (B) Signup and view all the answers

Which genetic material arrangement is characteristic of eukaryotic cells?

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