1. The name "protist" comes from a Greek word meaning:
Answer: B. the very first
Biology Class 11 Unit 7: Protists and Fungi MCQs
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2. Protists are eukaryotes. They differ from bacteria because they have:
Answer: B. membrane-bound nuclei and organelles such as mitochondria and plastids
3. The term "polyphyletic" refers to a group of organisms that:
Answer: C. do not share a common ancestor and evolved independently
4. Protists are mainly defined by:
Answer: B. what they are not, as they do not fit in plants, animals or fungi
5. The giant kelp, a brown alga, can be as long as:
Answer: B. 60 metres
6. Even multicellular protists lack:
Answer: C. specialized tissues
7. Water molds obtain their food by:
Answer: C. absorption like fungi
8. Protozoa and slime molds obtain their food by:
Answer: B. ingesting food from other living things like animals
9. Most protists live in:
Answer: B. water, oceans or freshwater
10. Which of the following is NOT a major group of protists?
Answer: D. Zygomycota
11. The four major groups of protists are:
Answer: A. Protozoa, Algae, Myxomycota and Oomycota
12. The word "protozoa" is derived from Greek words meaning:
Answer: B. first animals
13. Entamoeba histolytica and Plasmodium are examples of:
Answer: B. parasitic protozoa
14. In protozoans the food vacuole functions in:
Answer: B. digestion of trapped food with enzymes
15. Contractile vacuoles in protozoa:
Answer: B. pump out excess water to maintain internal balance
16. Organs of locomotion in Amoeba are the:
Answer: C. pseudopodia
17. Paramecium moves by:
Answer: C. cilia
18. Trypanosoma moves by:
Answer: C. flagella
19. Plasmodium (malarial parasite) has:
Answer: D. no specific locomotory organ
20. Protozoa form resistant structures called cysts to:
Answer: B. overcome unfavourable conditions
21. Amoeba proteus uses pseudopodia for:
Answer: C. both movement and feeding
22. Protozoans that move using flagella are:
Answer: C. zooflagellates
23. Giardia intestinalis infects the:
Answer: B. small intestine causing giardiasis
24. Choanoflagellates are structurally similar to the:
Answer: B. collar cells of sponges
25. Ciliates are named after a Latin word for:
Answer: C. eyelash
26. Examples of ciliates include:
Answer: B. Paramecium, Stentor and Vorticella
27. Foraminifera have shells made of:
Answer: B. calcium
28. Actinopods have shells made of:
Answer: B. silica
29. Apicomplexans are:
Answer: B. parasitic protozoa with complex life cycles and host invasion structures
30. Algae are responsible for about what percentage of photosynthesis on the planet?
Answer: C. 50 to 60
31. The body of multicellular algae like seaweeds is called a:
Answer: B. thallus
32. Algae lack:
Answer: B. roots, stems, leaves and vascular tissues
33. Coenocytes are structures with:
Answer: C. many nuclei in a shared cytoplasm
34. Almost all algae except red algae have flagellated motile cells at some stage. Red algae belong to the phylum:
Answer: C. Rhodophyta
35. Algae differ from plants because algae:
Answer: B. have unicellular sex organs and unprotected zygotes, and do not form embryos
36. Approximately how many phyla of algae are discussed in the text?
Answer: D. Six
37. Euglena is an example of:
Answer: B. euglenoids
38. Euglena has:
Answer: B. a pellicle, eyespot, contractile vacuole and two flagella (one long, one short)
39. Euglena is a protist which:
Answer: C. has chloroplasts but can also feed by ingestion or absorption
40. Dinoflagellates are bounded by protective plates of:
Answer: B. cellulose impregnated with silica
41. Most dinoflagellates have:
Answer: C. two flagella
42. Bioluminescence in the sea is due to:
Answer: C. dinoflagellates
43. Red tides are caused by blooms of:
Answer: B. dinoflagellates
44. Paralytic Shellfish Poisoning (PSP) is caused by toxins of the genus:
Answer: B. Alexandrium
45. Diatoms are the most numerous:
Answer: B. unicellular algae in the oceans
46. The cell wall of a diatom is made of:
Answer: C. silica in two halves like a box and lid
47. The silica shells of diatoms are called:
Answer: B. frustules
48. Fossil diatom deposits are used in:
Answer: B. cosmetics, filters and nanotechnology (diatomaceous earth)
49. Brown algae can grow up to:
Answer: C. 75 metres
50. Giant brown algae are commonly known as:
Answer: B. kelps
About Biology Class 11 Unit 7 MCQs (Federal Board)
These 186 Biology MCQs cover Class 11 Unit 7: Protists and Fungi of the Federal Board (FBISE) HSSC-I (1st Year / Class 11) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 4 pages of 50. Use the Print button to save this chapter as a PDF.