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Biology

Cell Biology MCQs

Practice Cell Biology MCQs for competitive exams.

Cell Biology MCQs

Practice questions from this topic.

Match the following columns: Column I Column II a. Outer covering 1. Danielli Davson (1935) b. Protoplasm 2. Ca and Mg pectates c. Middle lamella 3. fluid content of cell d. Sandwich or lamellar model 4. Cell wall and Cell membrane

  1. A. a-2, b-3, c-4, d-1
  2. B. a-4, b-3, c-2, d-1
  3. C. a-1, b-2, c-3, d-4
  4. D. a-3, b-4, c-1, d-2
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When there is a single chiasma, the arms of the bivalent rotate through

  1. A. 180°
  2. B. 90°
  3. C. 45°
  4. D. 380°
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Sporic or intermediate meiosis is a characteristic of

  1. A. Higher plants and some thallophytes
  2. B. Algae and fungi
  3. C. Algae only
  4. D. Fungi only
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The interchange and fusion of broken ends between two homologous chromosomes is known as

  1. A. Linkage
  2. B. Crossing over
  3. C. Intermediate pairing
  4. D. Synapsis
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Hyperplasia means

  1. A. abnormal increase in number of cells
  2. B. an increase in size of a cell
  3. C. excessive motility of muscle
  4. D. voracious eating
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Match List-I (Mitotic phases) with List-II (Actions) and select the correct answer: List-I List-II a. Prophase 1. The chromosomes are lined up in one place to form the equatorial plate b. Metaphase 2. Cell becomes spheroid and there is increase in viscosity and refractivity c. Anaphase 3. The two sets of chromosomes migrate towards the poles d. Telophase 4. Nuclear membrane and nucleolus reappear

  1. A. a-2, b-3, c-4, d-1
  2. B. a-2, b-1, c-4, d-3
  3. C. a-4, b-3, c-2, d-1
  4. D. a-2, b-1, c-3, d-4
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The solenoidal model for the superstructure in chromatin was first proposed by

  1. A. Kihlman
  2. B. DuPraw
  3. C. Finch and Clug
  4. D. Freese and Taylor
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Match List-I (Organelle) with List-II (Common name) and select the correct answer: List-I List-II a. Ribosome 1. Suicidal bag of cells b. Lysosome 2. Protein factory cells c. Mitochondria 3. Controller of cell d. Nucleus 4. Power house of cell

  1. A. a-2, b-1, c-4, d-3
  2. B. a-1, b-4, c-3, d-2
  3. C. a-4, b-3, c-2, d-1
  4. D. a-3, b-2, c-1, d-4
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Which of the following provides a definite shape to cells?

  1. A. Nucleus
  2. B. Membrane
  3. C. Mitochondria
  4. D. Ribosomes
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Match List-I (Chromoplasts) with List-II (Pigment contents) and select the correct answer: List-I List-II a. Chloroplasts 1. Phycocyanin b. Pheoplasts 2. Phycoerythrin c. Rhodoplasts 3. Fucoxanthin d. Blue-green chromoplasts 4. Chlorophyll a and b

  1. A. a-2, b-3, c-1, d-4
  2. B. a-3, b-2, c-4, d-1
  3. C. a-4, b-3, c-2, d-1
  4. D. a-4, b-2, c-1, d-3
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Consider the following statements regarding endoplasmic reticulum and choose the correct answer: 1. The endoplasmic reticulum appears to have a combination of triple-layered and micellar structures 2. Geometric symmetry is lacking in ER membranes, which are asymmetrical 3. The rough endoplasmic reticulum (RER) is the site of secretion of secretory proteins 4. The smooth endoplasmic reticulum (SER) membranes appear to be involved in the formation of lipoprotein complexes

  1. A. Only 1, 2 and 3 are correct
  2. B. Only 1, 2 and 4 are correct
  3. C. Only 2, 3 and 4 are correct
  4. D. Only 1, 3 and 4 are correct
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The most abundant glycerophospholipids in higher plants are

  1. A. Spingomyelin and cephalin
  2. B. Lecithin and cephalin
  3. C. Phosphatidyl choline and lecithin
  4. D. Cephalin and phosphatidyl inositol
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