1 variant
1. Bacteria feed:
1) only by photosynthesis;
2) finished organic substances;
3) only by organic matter from living organisms;
4) all of these ways.
2. Bacteria belong to the kingdom of:
1) plants;
2) animals;
3) fungi;
4) a separate kingdom.
3. Bacteria are:
1) multicellular organisms;
2) single-celled organisms that do not have a nucleus;
3) a cell that has a nucleus;
4) a cell that has only the shape of a rod.
4. Ready-made organic compounds are fed by:
1) green plants;
2) bacteria;
3) algae.
4) mosses.
5. Bacteria reproduce by:
1) by means of spores;
2) by dividing a cell in two;
3) by means of germ cells;
4) by means of fertilization.
6. The outside of a bacterial cell is covered with:
1) mucus;
2) a capsule;
3) bristles;
4) shell.
7. Bacilliform bacteria:
1) bacilli;
2) cocci;
3) vibrios;
4) spirillum.
8. Bacteria are classified as prokaryotes because they:
1) Have a single chromosome located in the nucleus
2) have one circular DNA
3) Reproduce by splitting in two.
4) Feed only on prepared organic materials
9. Viruses were discovered by:
1) I.I. Mechnikov.
2) Louis Pasteur
3) Ivanovskii D.I.
4) Pavlov I. P.
10. Diseases caused by bacteria:
1) rabies;
2) Angina;
3) AIDS;
4) influenza
11. bacteria survive adverse conditions in the state of:
1) zygote
2) spores
3) cysts
4) active organism
12. describe or make a diagram describing the role of bacteria in the cycle of substances in nature.
13. What is the name of the science that studies viruses?
Option 2
1. Ball-shaped bacteria:
1) bacilli;
2) cocci;
3) vibrios;
4) spirillum.
2. Pathogenic bacteria are:
1) saprophytes;
2) symbionts;
3) pathogenic;
4) blue-green bacteria.
3. Tuberous bacteria are
1) parasites
2) saprotrophs
3) symbionts
4) antagonists
4. On the outside, viruses are covered with:
1) mucus;
2) a capsule;
3) bristles;
4) membrane
5. Heterotrophs are organisms that feed on:
1) dead organic matter;
2) with the help of another organism;
3) finished organic matter;
4) substances dissolved in the soil.
6. Blue-green algae are members of the kingdom:
1) bacteria;
2) prokaryotes;
3) plants;
4) ancient organisms.
7. Bacteriophage is:
1) the AIDS virus
2) a virus that eats a bacterium;
3) a bacterium that eats a virus;
4) disease
8. Which characteristic is unique to the bacterial kingdom?
1) have a cellular structure
2) they breathe, feed and reproduce
3) cells have mitochondria
4) cells lack a formed nucleus
9. A group of bacteria that live in association with other organisms:
1) parasites
2) symbionts
3) saprotrophs
4) consumers
10. Diseases caused by viruses:
1) tuberculosis;
2) sore throat;
3) rabies;
4) diphtheria
11. Photosynthetic bacteria are:
1) glandular bacteria
2) fermentation bacteria
3) lactic bacteria
4) blue-green bacteria (cyanobacteria)
12 Describe or make a diagram describing the beneficial role of bacteria in nature and for humans.
13. What is the method of killing bacteria by high temperature?
