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CSIR NET Cell Structure — practice questions

Explore 135 free Cell Structure questions in CSIR NET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Cell Structure questions and exercises with answers

Showing questions 1–30 of 135.

Prokaryote or eukaryote?Read the answer and worked solution →Match each organelle to its jobRead the answer and worked solution →Trace a protein on its way outRead the answer and worked solution →Tap only what belongsRead the answer and worked solution →Which one is bigger?Read the answer and worked solution →Flip and match the cell contactsRead the answer and worked solution →Spot the wrong wordRead the answer and worked solution →What is the smallest unit of a living thing?Read the answer and worked solution →Several tissues that combine and work together directly form which level of organization?Read the answer and worked solution →Why does a compound microscope present an inverted image of the specimen?Read the answer and worked solution →About how many human red blood cells would fit across the head of a pin?Read the answer and worked solution →What is the approximate diameter of a typical human red blood cell?Read the answer and worked solution →Which term names a microscope's ability to distinguish two adjacent structures as separate?Read the answer and worked solution →Light microscopes used in an undergraduate college laboratory magnify up to approximately what factor?Read the answer and worked solution →When oil immersion lenses are used to study small objects, magnification is usually increased to what value?Read the answer and worked solution →Why is staining a drawback when a light microscope is used to study cell components?Read the answer and worked solution →Which property of electrons explains why an electron microscope cannot image living cells?Read the answer and worked solution →Which instrument should be chosen to reveal the internal structures of a cell rather than its surface?Read the answer and worked solution →In a scanning electron microscope, what does the beam of electrons do?Read the answer and worked solution →Who coined the term cell for the box-like structures seen in cork tissue?Read the answer and worked solution →Which discovery is credited to Antony van Leeuwenhoek in the 1670s?Read the answer and worked solution →Which statement is one of the three claims of the unified cell theory?Read the answer and worked solution →Which pair of scientists proposed the unified cell theory in the late 1830s?Read the answer and worked solution →A cytotechnologist who finds abnormal cellular changes consults which professional?Read the answer and worked solution →Organisms of which two domains are classified as prokaryotes?Read the answer and worked solution →Which set lists the four components shared by all cells?Read the answer and worked solution →In a prokaryotic cell, the DNA is found in which region?Read the answer and worked solution →Which molecule is the chief component of most prokaryotic cell walls?Read the answer and worked solution →Which three jobs does the prokaryotic cell wall perform?Read the answer and worked solution →What does the polysaccharide capsule of a prokaryote enable the cell to do?Read the answer and worked solution →

Worked practice questions

Prokaryote or eukaryote?

Read exercise and reference answers
Left
Prokaryote
Items
  1. Item
    Nucleoid region
    Answer
    Prokaryote
  2. Item
    True nucleus
    Answer
    Eukaryote
  3. Item
    Peptidoglycan wall
    Answer
    Prokaryote
  4. Item
    One circular DNA
    Answer
    Prokaryote
  5. Item
    Golgi apparatus
    Answer
    Eukaryote
  6. Item
    Pili and fimbriae
    Answer
    Prokaryote
  7. Item
    Mitochondria
    Answer
    Eukaryote
  8. Item
    Chloroplasts
    Answer
    Eukaryote
Right
Eukaryote
Instructions
Swipe left for prokaryote, swipe right for eukaryote.
_Source: OpenStax Biology 1e, section 4.2 Prokaryotic Cells_

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Match each organelle to its job

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Matching pairs
  1. Left
    Ribosome
    Right
    Carries out protein synthesis
  2. Left
    Lysosome
    Right
    Digests worn out organelles
  3. Left
    Chloroplast
    Right
    Carries out photosynthesis
  4. Left
    Mitochondrion
    Right
    Makes ATP in cellular respiration
  5. Left
    Nucleolus
    Right
    Assembles ribosomal subunits
  6. Left
    Golgi apparatus
    Right
    Sorts, tags and packages proteins
Instructions
Tap an organelle, then tap the job it does in the cell.
_Source: OpenStax Biology 1e, section 4.3 Eukaryotic Cells_

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Trace a protein on its way out

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Steps
  1. Rough ER
  2. Transport vesicle
  3. Golgi cis face
  4. Golgi trans face
  5. Plasma membrane
Instructions
Tap the stops in order, from where the protein is made to where it leaves.
_Source: OpenStax Biology 1e, section 4.4 The Endomembrane System and Proteins_

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Genes and ProteinsBiological Macromolecules