Free Kingdom Protista MCQs with Answers

31. The cell wall of Oomycotes is chemically made up of?

• A. Chitin
• B. Protein
• C. Lignin
• D. Cellulose

Explanation: The cell wall of oomycetes, however, is not composed of chitin, as in the fungi, but is made up of a mix of cellulosic compounds and glycan.

32. What is the nature of the plasmodium in slime molds?

• A. Uninucleated
• B. Enucleate
• C. True nucleated
• D. Multi nucleated

Explanation: A plasmodium is an amoeboid, multinucleate, and naked mass of cytoplasm of slime mold.

33. Where does the spore formation occur in cellular slime mold?

• A. Plasmodium
• B. Sporophore
• C. Sporangium
• D. Pseudoplasmodium

Explanation: Slime molds form sporangia - clusters of spores, often on the tips of stalks such as in the Sporangium.

34. What do the spores of slime molds develop into?

• A. Amoeboid cells
• B. Biflagellated cells
• C. Swarm cells
• D. All of the above

Explanation: The germinated spore can transform into either an amoeba-like myxamoeba cell or a flagellated swarm cell.

35. Which of the following was responsible for the Irish potato famine?

• A. Physarum polycephalum
• B. Phytophthora infestans
• C. Naegleria polycephalum
• D. Phytophthora polycephalum

Explanation: The Irish Potato famine is also known as the Great Hunger, began in 1845 when a fungus-like organism called Phytophthora infestans, spread rapidly throughout Ireland. The infestation ruined up to one-half of the potato crop that year, and about three-quarters of the crop over the next seven years.

36. To which group do white rust and downy mildew belong?

• A. Slime mold
• B. Plant
• C. Oomycota
• D. Algae

Explanation: Oomycote or slime mold includes white rust and downy mildew. Both these cause disease in plants and other organisms.

37. The Protoctista includes two groups:

• A. Protozoan and Algae
• B. Protozoan and Fungi
• C. Protozoan and Viruses
• D. Fungi and Viruses
• E. Viruses and Bacteria

Explanation: "The explanation for this question will be added soon!".

38. What are Chlorella and Ulva?

• A. Animal-like Protoctists
• B. Fungi-like Protoctists
• C. Plant-like Protoctists
• D. Bacteria-like Protoctists
• E. Virus-like Protoctists

Explanation: "The explanation for this question will be added soon!".

39. Algae contains all of the following pigments except:

• A. Chlorophyll
• B. Melanin
• C. Carotenoids
• D. Xanthophylls
• E. Phycoerythrin

Explanation: "The explanation for this question will be added soon!".

40. Chlorella is an algae. Which statement is correct regarding its structure?

• A. Not easily cultured
• B. Body is two-celled
• C. Contains single nucleus
• D. Mitochondria is absent
• E. Method of reproduction is by Endospore Formation

Explanation: "The explanation for this question will be added soon!".