Prokaryotes : Multiple Choice Questions

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Multiple Choice Questions

Que:1 Prokaryotes are classified into which two types of domain?

1. Bacteria and Eukarya
2. Archaea and Monera
3. Eukarya and Monera
4.Bacteria and Protista
5. Bacteria and Archaea

Que: 2 What is the primary distinguishing characteristic of fungi?

1. Being sedentary
2. Being Prokaryotic
3. Gaining nutrition through ingestion
4. Absorbing dissolved nutrients
5. Being decomposers of dead organisms.

Que:3 What are archaea?

1. The application of antibiotics of a certain concentration kills the single-celled organism.
   2. Bacteria-like organisms that can live only in extreme salt environments.
   3. Organisms that are adapted to high-temperature environments such as volcanic springs.
   4. Primitive protist-like creature processing fewer than two chromosomes per cell.
   5. Prokaryotes are characterized as extremophiles that share some bacterial and some eukaryotic cells.

Que: 4. A water sample from a hot thermal vent contained a single-celled organism that had a cell wall but lacked a nucleus. What is the most likely classification?

1. Eukarya
2. Protista
3. Archaea
4. Animalia
5. Fungi

Que:5. Prokaryotic and Eukaryotic cells generally have which of the following features in common?

1. Ribosomes
2. Flagella or Cilia that contain microtubule
3. Linear chromosomes made of DNA and protein
4. A cell wall made of cellulose
5. A membrane-bound nucleus

Que: 6. Which of the following is true about inclusion bodies?

1. Present freely in the cytoplasm
2. membraneless
3. Store phosphate & Glycogen
4. All of the above

Que: 7. Which of the following is true

1. Bacterial pili are made up of flagellin protein
2. Bacterial pili are made up of pilin protein
3. Bacteria flagella are different from eukaryotic flagella
4. All of the above

Que: 8. Which of the following best demonstrates the unity among all organisms?

1. Matching DNA nucleotide sequences
2. Natural selection
3. Emergent properties
4. The structure and function of DNA
5. Descent with modification

Que: 9. Which of the following types of cells utilize deoxyribonucleic acid (DNA) as their genetic material but do not have their DNA encased within a nuclear envelope?

1. Animal
2. Fungi
3. Plant
4. Archae
5. Protist

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Que: 10. Flagella of prokaryotic and eukaryotic differ in:

1. Location in cell and mode of functioning
2. Microtubular organization and type of movement.
3. Microtubular organization and function
4. Types of movement and placement in the cell.
5. None of the above

Que.11. Mesosomes in prokaryotes do not help  in:

1. Cell wall formation
2. Respiration
3. DNA replication
4. Photosynthesis

Que: 12.  Which is a typical feature of prokaryotic cells

1. Nucleus absent
2. Cell wall absent
3. DNA absent
4. RNA absent

Que: 13. Protists and bacteria are grouped into different domains because

1. Bacteria are not made of cells
2. Bacteria decompose protists
3. Protists are photosynthetic
4. Protists have a membrane-bound nucleus, which bacterial cells lack
5. Protists eat bacteria

Que: 14. Region of the prokaryotic cell, where DNA is present

1. Nucleosome
2. Nucleoid
3. Nucleus
4. Nucleoplasm

Que: 15. Extra circular ds DNA in a prokaryotic cell?

1. Plastid
2. Nucleoid
3. Plasmids
4. Episome

Que: 16. Chromatophores are:

1. Vesicles that store pigments in prokaryotic cells
2. Extension on the membrane in cyanobacteria
3. Coloured pigments present in fluorescent bacteria
4. Present in the lipopolysaccharide layer of gram-negative bacteria

Que: 17. A filamentous organism has been isolated from decomposing organic matter. This organism has a cell wall but no chloroplasts. How would you classify the organism?

1. Domain Eukarya, Kingdom Plantae
2. Domain Eukarya, Kingdom Fungi
3. Domain Eukarya, Kingdom Protista
4. Domain Archaea Kingdom Bacteria
5. Domain Bacteria, Kingdom Prokaryota

Que: 18. The extracellular appendages which help in movement in bacteria

1. Flagellin
2. Flagella
3. Capsule
4. Pilli

Que: 19. When a bunch of flagella present on one end of bacteria

1. Cephalotrichous
2. Lophotrichous
3. Amphitrichous
4. Peritrichous

Que: 20. Which of the following is non-cellular?

1. Bacterial cell
2. Fungal cells
3. Protist
4. Virus

Que: 21. Shorter pili in prokaryotes are involved in:

1. Locomotion
2. Movement
3. Attachment
4. Conjugation

Que: 22. Cell wall of Gram Negative bacteria is made of:

1. Peptidoglycan
2. Chitinoid material
3. Lipopolysaccharides
4. Both 1 and 3

Que: 23. Prokaryotic cell wall is made up of:

1. Lignin
2. Cellulose
3. Murein
4. Phospholipid

Que: 24. One of the most important functions of plasma membrane:

1. Formation of the nuclear membrane
2. Export of macromolecules
3. Detoxification
4. Transport of molecules across it

Que: 25. Which of the following is not a process of gene transfer in a prokaryotic cell?

1. Transformation
2. Transduction
3. Conjugation
4. Mitosis

Que: 26. Identify the accurate explanation of mesosome it is:

1. The middle layer of the prokaryotic cell wall
2. The organelle of the eukaryotic cell which helps in lipid synthesis
3. The middle layer of the eukaryotic cell wall
4. A specialised structure of prokaryotic cell formed by extension of the plasma membrane into the cytoplasm

Que: 27. The number of mitochondria per cell is variable, depending on:

1. Shape of cells
2. Size of cells
3. Types of genes present in mt DNA
4. Physiological activity of cells

Que: 28. A bacterial has an additional layer outside the cell wall known as:

1. Glycocalyx
2. Endospore
3. Surface appendages
4. None

Que: 29. Which of the following is correct?

1. Both animal and plant cells have a well-defined cell wall
2. Cells of living organisms have a nucleus
3. Cells are formed de novo from abiotic
4. In prokaryotes, there are no membrane-bound nucleus

Que: 30. In eubacteria, a cellular component that resembles a eukaryotic cell is:

1.  Plasma Membrane
2. Ribosomes
3. Nucleus
4. Cell Wall

Que: 31. Which of the following sentences are true about capsules?

1. Capsules can adhere to a solid surface
2. Protect bacteria from being phagocytosis
3. The adhesive power of the capsule is the initiation of some bacterial disease
4. All of the above

References:

www.mcqbiology.com

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