Cell Biology MCQ

Test your knowledge with important Cell Biology MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Cell Biology MCQs at Bissoy

• Which of the following provides a definite shape to cells?
  ক

  Nucleus

  খ

  Membrane

  গ

  Mitochondria

  ঘ

  Ribosomes
• The most abundant glycerophospholipids in higher plants are
  ক

  Spingomyelin and cephalin

  খ

  Lecithin and cephalin

  গ

  Phosphatidyl choline and lecithin

  ঘ

  Cephalin and phosphatidyl inositol
• Which of the following is a hydrogen carrier?
  ক

  Cytochrome a

  খ

  Cytochrome b

  গ

  Cytochrome c

  ঘ

  Co-enzyme Q
• The grana in the chloroplast are interconnected by a network of anastamosing tubules called
  ক

  Stroma lamellae

  খ

  Middle lamellae

  গ

  Thylakoid membranes

  ঘ

  Stroma thylakoids
• Homologous pairs of identified chromosomes can be arranged in a series of decreasing lengths and such an arrangement is called
  ক

  Hologram

  খ

  Monogram

  গ

  Idiogram

  ঘ

  Polygram
• Replication of DNA is confined to which of the following phases?
  ক

  Synthetic phase

  খ

  Post-mitotic gap phase

  গ

  Pre-mitotic gap phase

  ঘ

  Prophase - I
• Which cell theory proved that the quasi-fluid nature of lipid enables lateral movement of proteins within the overall bilayer?
  ক

  Cell theory

  খ

  Fluid mosaic model

  গ

  Model of Golgi bodies

  ঘ

  Vacuole theory
• . . . . . . . . includes glycogen, poly-β hydroxybutyrate granules, sulphur granules and gas vesicles.
  ক

  Flagella

  খ

  Plasma membrane

  গ

  Mesosomes

  ঘ

  Cytoplasm
• RBCs do not perform aerobic respiration because these do not contain
  ক

  mitochondria

  খ

  nucleus

  গ

  endoplasmic reticulum

  ঘ

  lysosomes
• Consider the following cell organelles of the organisms.<br>1. Mitochondria<br>2. Chloroplasts<br>3. Endoplasmic Reticulum<br>Which of the statement(s) given above is/are semi-autonomous organelle(s)?
  ক

  1, 2 and 3

  খ

  1 and 2

  গ

  2 and 3

  ঘ

  Only 3
• 5 Supernumerary chromosomes are found in
  ক

  Tradescantia edwardsiana

  খ

  Zea mays

  গ

  Datura stramonium

  ঘ

  None of the above
• Which pyrimidine base is not the part of RNA structure?
  ক

  Thymine

  খ

  Uracil

  গ

  Cytosine

  ঘ

  Guanine
• The basic structural and functional unit of living organisms is
  ক

  cell

  খ

  tissue

  গ

  organ

  ঘ

  systems
• L chromosomes differ from supernumerary chromosomes in that
  ক

  They are constant in all individuals of the species having them

  খ

  They are smaller in size

  গ

  They do not possess centromere

  ঘ

  All of the above
• Which one of the following types of cells has the ability to develop into any type of cell?
  ক

  Endodermal cells

  খ

  Ectodermal cells

  গ

  Stem cells

  ঘ

  Muscle cells
• Both autophagy and heterophagy may occur simultaneously in the same vesicle called as
  ক

  Ambilysosomes

  খ

  Phagocytes

  গ

  Phagocytic vesicles

  ঘ

  Oxylysosomes
• Which of the following groups are mitochondrial outer membrane enzymes?
  ক

  Monoamine oxidase, Hexokinase 2, ATP ase

  খ

  Hexokinase 2, Acyl-Co synthetase, NADH-cytochrome reductase

  গ

  ATPase, Hexokinase, Acyl-Co synthetase

  ঘ

  All of the above
• The movement of cytoplasm within the eucaryotic cells is referred to as
  ক

  Exocytosis

  খ

  Pinocytosis

  গ

  Cyclosis

  ঘ

  None of the above
• The part of the pit membrane surrounding the torus is called the
  ক

  Primary pit field

  খ

  Pit chamber

  গ

  Margo

  ঘ

  Pit aperture
• The primary cell wall, in dicots, contains complex polysaccharides linked to each other and to the cellulose microfibrils by covalent linkages which include
  ক

  Xyloglucans

  খ

  Arabinogalactans

  গ

  Rhamnogalacturonans

  ঘ

  All of the above
• Ubiquinone or co-enzyme Q can exist in which of the following states of oxidation?
  ক

  Quinone

  খ

  Semiquinone

  গ

  Hydroquinone

  ঘ

  All of the above
• Which of the following is not a function of cytoskeleton in a cell?
  ক

  Intracellular transport

  খ

  Maintenance of cell shape and structure

  গ

  Support of the organelle

  ঘ

  Cell motility
• Certain segments of the chromosomes, or the entire chromosomes, are more condensed than the rest of the karyotype during various stages of the cell cycle. Such difference in thickening has been called
  ক

  Pinocytosis

  খ

  Homopycnosis

  গ

  Heteropycnosis

  ঘ

  Polytenic
• Consider the following statements regarding the ultrastructure of the nucleolus and choose the correct answer:<br>1. The matrix or pars amorpha of the nucleolus is heterogeneous<br>2. The chromatin is Feulgen positive<br>3. The fibrils, 80 - 100 A in diameter, contain RNA and are probably the precursors of the granules<br>4. Ribonucleoprotein granules make up the pars granulosa
  ক

  Only 1, 2 and 3 are true

  খ

  Only 2, 3 and 4 are true

  গ

  Only 3 and 4 are true

  ঘ

  1, 2, 3 and 4 are true
• Which of the following increase the free surface of the cell to enhance absorption?
  ক

  Microfilaments

  খ

  Microtubules

  গ

  Microbodies

  ঘ

  Microvilli
• Study the following statements.<br>1. The term 'Cell' was first coined by Robert Hooke.<br>2. Plant cells are generally without lysosomes.<br>3. Cell wall present only in animals cells.<br>Which of the statement(s) given above is/are true?
  ক

  1, 2 and 3

  খ

  1 and 2

  গ

  2 and 3

  ঘ

  Only 1
• Which of the following is membrane less cell organelle?
  ক

  Mitochondria

  খ

  Ribosome

  গ

  Chloroplast

  ঘ

  ER
• The particles associated with the inner membrane of mitochondria, called elementary particles, consist of
  ক

  A base piece and a head piece only

  খ

  A base piece and a stalk only

  গ

  A base piece, a stalk and a head piece

  ঘ

  A stalk and a head piece only
• Hormone-receptor binding in the cell membrane results in the activation of which of the following enzymes?
  ক

  Adenylate cyclase

  খ

  Protein kinase

  গ

  Lipid dehydrogenase

  ঘ

  Isomerase
• The cisternae on the forming face of the Golgi complex are constantly being formed by fusion of vesicles derived from the
  ক

  Mitochondria

  খ

  Endoplasmic reticulum

  গ

  Nuclear membrane

  ঘ

  Lysosomes