Discussion
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- Question
Number of motility structures on flagellated cells is
Options- A. greater than ciliated cells
- B. lesser than ciliated cells
- C. equal to ciliated cells
- D. none of these
- Correct Answer
- lesser than ciliated cells
- 1. Organisms are parasitic and have a resistant spore with one to six coiled polar filaments belong to which phylum of Protozoa?
Options- A. Labyinthomorpha
- B. Sarcomastigophora
- C. Apicomplexa
- D. Myxozoa Discuss
- 2. Which of the following is least likely to have a rigid cell wall?
Options- A. Bacterium
- B. Archaean
- C. Fungus
- D. Protozoan Discuss
- 3. Which of the following describes the function of a secretory vacuole?
Options- A. Sites of food digestion
- B. Maintain osmotic balance by continuous water expulsion
- C. Contain specific enzymes that perform various functions
- D. Structures that accept male gametes during sexual reproduction Discuss
- 4. Saprozoic nutrition is characterized by
Options- A. phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
- B. pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
- C. encystment of solid nutrients and subsequent formation of secretory vacuoles
- D. pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles Discuss
- 5. The numbers of nuclear divisions involved in a ciliate undergoing binary fission is
Options- A. greater than conjugation
- B. lesser than conjugation
- C. equal to conjugation
- D. none of these Discuss
- 6. Which of the following is least likely to get in or on a protozoan such as a diplomonad or trichomonad?
Options- A. Flagella
- B. More than one nucleus
- C. Genes to produce a cyst form
- D. Rigid polysaccharide cell wall Discuss
- 7. Organisms which have spore-forming stage in their life cycle and lack special locomotory organelles belong to which phylum of Protozoa?
Options- A. Microspora
- B. Myxozoa
- C. Ciliophora
- D. Apicomplexa Discuss
- 8. Lysozyme (an endolysin) which will lyse the bacterial cell, releasing the mature virions is present in
Options- A. immediate early phage genes
- B. late genes
- C. delayed early genes
- D. all of these Discuss
- 9. The oncogene theory refers to
Options- A. how chemicals inactivate viruses when applied
- B. how viruses replicate in host cells
- C. how viruses transform normal cells into tumor cells
- D. none of these Discuss
- 10. The temperate phage possesses a gene that codes for a repressor protein which makes the cell resistant to lysis initiated by
Options- A. the prophage
- B. lytic infection by other viruses
- C. Both (a) and (b)
- D. none of these Discuss
Protozon problems
Search Results
Correct Answer: Myxozoa
Correct Answer: Protozoan
Correct Answer: Contain specific enzymes that perform various functions
Correct Answer: pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
Correct Answer: lesser than conjugation
Correct Answer: Rigid polysaccharide cell wall
Correct Answer: Apicomplexa
Correct Answer: late genes
Correct Answer: how viruses transform normal cells into tumor cells
Correct Answer: Both (a) and (b)
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