SSC Smiem Direction Write the letter of the correct answer on the blank provided before cach number 1 Which of the following is not considered as an organism? A Air B. Amoebac C Coconut tree D. Monkey 2. What are the walls of fungi made up of? A. Lipids B. Chitin C Cellulose D. Polysaccharide 3. What characteristic do all algae share? A. They are autotrophs. B. They are unicellular C. They are multicellular D. They live in colonies. 4. What are one-celled or many celled eukaryotic organism that lives in moist or wet surroundings? A Cilia B. Algae C. Protists D. Protozoan 5. What groups listed below have true cell walls? A. Algae B. Mycoplasmas C. Gram-positive bacteria D. Fungi 6. Differences between eukaryotic and prokaryotic cells include all of the following EXCEPT; A. Eukaryotic cells have mitochondria B. Prokaryotic cells have no genetic material C. Prokaryotic cells have more complex cell wall D. Eukaryotic cells have cilia and flagella with complex structure 7 A bacterial cell wall does all of the following except A. Gives shape and rigidity to the cell B. Is the site of action for some antibiotics C. Is associated with some symptoms of disease D. Protects the cell from phagocytosis 8. The spores that fungus-like protists produce A. Grown into new organisms B. Produce slime on which the protist can move C. Break down food for the protist D. Form pseudopods 9. The threadlike structures that make up the bodies of multicellular fungi are called A. Hyphae B. Nuclei C. Mold D. Cell walls 10. What characteristic do all algae share? A. They are autotrophs. B. They are unicellular. C. They are multicellular. D. They live in colonies.
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Answer:
1. A. Air
2. B. Chitin
3. A. They are autotrophs
4. C. Protists
5. D. Fungi
6. A. Eukaryotic cells have mitochondria
7. C. Is associated with some symptoms of disease
8. D. Form pseudopods
9. A. Hyphae
10. A. They are autotrophs
Explanation:
- Proponents of classifying the virus as an organism point this out, while other scientist note that unlike a living organism, the virus does not create or store energy or the mechanisms to do so.
- Fungi are saprophytes in nature. They tend to live on dead organisms. They do not possess chlorophyll. Their cell wall is made up of chitin.
- All algae are plant-like protists, are autotrophic, using pigments to capture sun's energy.
- A protist is a one- or many-celled organism that lives in moist or wet surroundings.
- Their cells are smaller than eukaryotic cells. Eukaryotes include larger, more complex organisms such as plants and animals. Only eukaryotes have membrane-bound organelles and a nucleus.
- Bacterial Cell wall Structure, Composition and Types Cell wall is an important structure of a bacteria. It give shape, rigidity and support to the cell. On the basis of cell wall composition, bacteria are classified into two major group ie. Gram Positive and gram negative.
- Multicellular fungi are typically composed of long, thin filaments called hyphae; the whole body of many hyphae is called a mycelium.