• 1. 
    The protistan genome has

  • Free nucleic acid aggregates
  • Membrane-bound nucleoproteins embedded in the cytoplasm
  • Gene containing nucleoproteins condensed together in a loose mass
  • nucleoprotein in direct contact with cell substance
  • 2. 
    The protist that reproduces both by binary fission and conjugation is

  • Amoeba
  • Euglena
  • Paramecium
  • Monocystis
  • 3. 
    A few protists possess structures to regulate their water content They are

  • membranes
  • Chromatophores
  • Nuclei
  • Contractile vacuoles
  • 4. 
    Protists include

  • Bacteria, fungi, algae and Bryophyta
  • Protozoa, algae and fungi
  • Vascular plants, slime moulds, and fungi
  • Bacteria, algae, protozoa, and Bryophyta
  • 5. 
    Pick the wrong statement

  • Diatoms are primarily produced in the oceans
  • Diatoms are microscopic and float passively in the water
  • Walls of diatoms are destructible easily
  • Diatomaceous earth is formed by the cell walls of diatoms
  • 6. 
    Micronucleus and macronucleus are the characteristic features of

  • Balantidium and Hydra
  • Vorticella and Nyctotherus
  • Opalina and Nyctotherus
  • Vorticella and Paramecium
  • 7. 
    The cell walls form two thin overlapping shells in which group of organisms such that they fit together

  • Euglenoids
  • Dinoflagellates
  • Slime moulds
  • Chrysophytes
  • 8. 
    Whorling whips are named so because of

  • Type of nucleus
  • Mode of movement
  • Mode of reproduction
  • Mode of nutrition
  • 9. 
    Red tide is caused by

  • Noctiluca
  • Ceratium
  • Gonyaulax
  • All of the above
  • 10. 
    In Dinoflagellates, the reserve food is

  • Fucoxanthin
  • Starch
  • Alginic acid
  • Mannitol
Report Question
warning
access_time
  Time