Kingdom Protista — NEET Biology Questions

Practice 22 questions on Kingdom Protista from Biological classification (NCERT Class 11, Chapter 2). Free samples below — get all 22 in the app.

22 Questions Biological classification Class 11

Sample Questions — Kingdom Protista

Try 5 questions below from Kingdom Protista. Get all 22 in the MedicNEET app.

MCQ
Trypanosoma belongs to which group of protozoans?
  • A. Amoeboid protozoans
  • B. Flagellated protozoans
  • C. Ciliated protozoans
  • D. Sporozoans
✅ Correct Answer: B
Trypanosoma is a flagellated protozoan and causes sleeping sickness.
MCQ
Slime moulds are:
  • A. Parasitic protists
  • B. Saprophytic protists
  • C. Photosynthetic protists
  • D. Predatory protists
✅ Correct Answer: B
Slime moulds feed on decaying organic matter.
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MCQ
A Protist observed under a microscope has a siliceous wall and is used in polishing industries. This organism is likely a:
  • A. Euglenoid
  • B. Diatom
  • C. Slime mould
  • D. Dinoflagellate
✅ Correct Answer: B
Silica in diatoms forms diatomaceous earth, used commercially.
MCQ
Which of the following statements about dinoflagellates are correct? 1. They have stiff cellulose plates 2. They can glow at night 3. They produce harmful toxins 4. They are multicellular
  • A. 1, 2, 3 only
  • B. 1, 3 only
  • C. 2 and 4 only
  • D. 1 and 4 only
✅ Correct Answer: B
They have stiff cellulose plates; they have toxins that are released during blooms; but they are unicellular, not multicellular.
MCQ
Which of the following groups includes diatoms and desmids?
  • A. Chrysophytes
  • B. Euglenoids
  • C. Dinoflagellates
  • D. Slime moulds
✅ Correct Answer: A
Diatoms and desmids are microscopic, planktonic algae grouped as chrysophytes (golden algae).

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