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answers:
1. a
2. c
3. b
4. a
5. c
6. c
7. c
8. a
9. b
10. c
1. bacteria cells are:
a) prokaryotic
b) eukaryotic
c) plant-like
2. the energy production structure found in bacterial cells is the:
a) mitochondrion
b) chloroplast
c) nucleoid
3. bacterial DNA is found:
a) in the nucleus
b) suspended in the cytoplasm
c) in organelles
4. bacteria move using:
a) flagella
b) cilia
c) they don't move
5. autotrophic bacteria obtain their food through:
a) photosynthesis
b) consuming other organisms
c) producing their own food
6. the domain that bacteria belong to is the:
a) eukarya
b) archaea
c) bacteria
7. an example of an extreme environment bacteria can survive in is:
a) hot springs
b) acidic soils
c) both a and b
8. aerobic bacteria:
a) require oxygen
b) do not require oxygen
c) can survive with or without oxygen
9. anaerobic bacteria:
a) require oxygen
b) do not require oxygen
c) can survive with or without oxygen
10. an example of bacteria that feeds on dead and decaying matter is:
a) autotrophic
b) parasitic
c) saprophytic
Answers:
1. b
2. b
3. d
4. b
5. b
6. c
7. c
8. d
9. b
10. d
11. d
12. b
13. c
14. b
15. a
16. a
17. d
18. c
19. d
20. d
اذا اكو اجابه خطئانه بيه نبهوا
1. Which of the following is not a major group of organisms that can cause human infectious diseases?
a) Protozoa
b) mycotoxin
c) Viruses
d) Helminthes
2. What type of organism do fungi belong to?
a) Prokaryotes
b) Eukaryotes
c) Protists
d) Helminths
3. Which of the following is a characteristic that distinguishes viruses from cellular organisms?
a) Presence of a nucleus
b) Ability to replicate independently
c) Presence of cytoplasm
d) Ability to synthesize proteins
4. How do eukaryotic cells replicate?
a) Binary fission
b) Mitosis
c) Both binary fission and mitosis
d) None of the above
5. Which of the following organisms can replicate extracellularly?
a) Viruses
b) Bacteria
c) Protozoa
d) Helminths
6. Which of the following organisms is classified in the animal kingdom?
a) Fungi
b) Protozoa
c) Helminths
d) Viruses
7. Which of the following organisms are commonly referred to as parasites?
a) Viruses and bacteria
b) Fungi and protozoa
c) Protozoa and helminths
d) Bacteria and viruses
8. Which of the following organisms is not a cellular organism?
a) Bacteria
b) Fungi
c) Protozoa
d) Viruses
9. Which of the following organisms is a member of the kingdom Protista?
a) Protozoa
b) Fungi
c) Slime molds
d) Algae
10. Which of the following organisms is not a member of the kingdom Fungi?
a) Yeasts
b) Molds
c) Oomycetes
d) Protozoans
11. Which of the following organisms requires a living host cell for growth and replication?
a) Bacteria
b) Fungi
c) Protozoa
d) Viruses
12. Which of the following organisms is a prokaryote?
a) Fungi
b) Bacteria
c) Protozoa
d) Helminths
13. Which of the following organisms is a multicellular eukaryote?
a) Viruses
b) Bacteria
c) Helminths
d) Protozoa
14. Which of the following organisms is a unicellular eukaryote?
a) Fungi
b) Protozoa
c) Helminths
d) Viruses
15. Which of the following organisms is a member of the kingdom Animalia?
a) Helminths
b) Protozoa
c) Fungi
d) All of the above
16. What is the primary method of replication for prokaryotic cells?
a) Binary fission
b) Mitosis
c) Reassembly of viral particles
d) None of the above
17. Which of the following organisms lack the ability to synthesize their own proteins and generate energy?
a) Bacteria
b) Fungi
c) Protozoa
d) Viruses
18. Which of the following organisms are distinguished from plants and animals by being either unicellular or relatively simple multicellular?
a) Bacteria
b) Fungi
c) Protozoa and Fungi
d) Protozoa and Helminths
19. Which of the following organisms are considered the most distinct from other groups of organisms?
a) Bacteria
b) Fungi
c) Protozoa
d) Viruses
20. Which of the following organisms, in addition to viruses, require living host cells for growth and replication?
a) Bacteria
b) Fungi
c) Protozoa
d) Rickettsia and Chlamydia
Which of the following Correct discripe for DNA?
A.. contains uracil bases
B.backbon of phosphatase
C.Thymine bases
D.ribose sugar
Who is transfering the genetic information including initiation.elongation and termination
A.. Single strand DNA
B..tRNA
C..mRNA
D..rRNA
Genetic information carried by mRNA is used to synthesis a polypeptide chain ⛓️?
A.translation
B.transcription
C.central dogma
D.initation
What is the enzyme or protein that prevents the attachment between strands?
A..Ligase
b.topoisomeras
C.Singl strand binding
D.primase
What is the number of step that Accur enzyme polymerase type 1?
A.1
B-4
C- 5
D_6
What enzyme that added the primer?
a.polymeras I
b.primase
c.polymeras III
d.helicas
Which enzyme that replacing RNA primase with nucleotides during DNA 🧬 replication?
A - polymerase type3
B- polymerase type 1
C.SSB protein
D.ligase
Codons that causes protein synthesis stop 🛑
A.initial codon
B.end codon
C.different codon
D.amino acid codon
Which enzyme that full the fragments Okazaki in complement replication?
A.. polymerase type3
b.polymeras I
C.ligase
D..primase
The two step which converted genetic information from aDNA into RNA and then from RNA into protein called
A.. transcription
B.translation
C.central dogma
D.DNA replication
During replication DNA 🧬 which strand that forming fragments
A.leader strand
B.binding strand
C.lagging strand
D.RNA strand
هاي الاسئلة الي كدرنة نتذكرهن وحليناهن
بالتوفيق انشاء الله ♥
دمتم في رعاية الله 💫🌷
