1. Which of the following is not a primary kingdom according to the five-kingdom classification?
Answer:
Explanation:
Annelida is a phylum under the Animalia kingdom. Monera, Protista, and Fungi are primary kingdoms.
2. Which organisms are commonly referred to as blue-green algae?
Answer:
Explanation:
Cyanobacteria are often referred to as blue-green algae due to their coloration.
3. Which group of organisms is prokaryotic?
Answer:
Explanation:
Monerans, specifically bacteria, are prokaryotic in nature.
4. The kingdom Protista includes:
Answer:
Explanation:
Kingdom Protista primarily includes eukaryotic microorganisms.
5. Which of the following organisms have a cell wall made of chitin?
Answer:
Explanation:
The cell wall of fungi is made up of chitin.
6. Diatoms are chiefly found in:
Answer:
Explanation:
Diatoms are found in both freshwater habitats and oceans.
7. Who proposed the three-domain system of classification?
Answer:
Explanation:
Carl Woese proposed the three-domain system, distinguishing Archaea, Bacteria, and Eukarya.
8. Which of the following is an autotrophic bacterium?
Answer:
Explanation:
Cyanobacteria are autotrophic and can perform photosynthesis.
9. Viruses consist of:
Answer:
Explanation:
Viruses have a protein coat and nucleic acid as genetic material.
10. Which of the following is a unicellular fungus?
Answer:
Explanation:
Yeast is a unicellular fungus.
11. Dinoflagellates are included in:
Answer:
Explanation:
Dinoflagellates are a type of protists.
12. Slime moulds belong to the kingdom:
Answer:
Explanation:
Slime moulds are classified under kingdom Protista.
13. Which of the following is an example of a basidiomycete?
Answer:
Explanation:
Agaricus belongs to the group basidiomycetes.
14. Which kingdom is exclusively made up of heterotrophic organisms?
Answer:
Explanation:
The kingdom Fungi is primarily made up of heterotrophic organisms.
15. Which of the following groups contains photosynthetic organisms?
Answer:
Explanation:
Both Bryophyta and Pteridophyta include photosynthetic organisms.
16. Euglenoids are:
Answer:
Explanation:
Euglenoids are eukaryotic protists.
17. Which of the following is a saprophytic bacterium?
Answer:
Explanation:
Clostridium is a saprophytic bacterium.
18. Viruses are considered living only when:
Answer:
Explanation:
Viruses are only considered living when they infect a host.
19. Which among the following is a multicellular algae?
Answer:
Explanation:
Ulothrix is a multicellular green alga.
20. Lichens are symbiotic associations between:
Answer:
Explanation:
Lichens represent a symbiotic relationship between fungi and algae.