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Fungal Structure and Functions

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Questions and Answers

What is a characteristic feature of Diplomonads?

They have a kinetoplast inside the mitochondrion
They have a parabasal body
They contain a single flagellum
They contain two nuclei of equal size (correct)

What is the function of hydrogenosomes in Parabasalids?

Site for pyruvate metabolism (correct)
Site for DNA replication
Site for protein synthesis
Site for ATP production

Which disease is caused by the Trypanosoma brucei parasite?

Leishmaniasis
Urogenital trichomoniasis
African sleeping sickness (correct)
Trichomoniasis

What is the characteristic feature of Kinetoplastids?

They have a kinetoplast inside the mitochondrion (A) Signup and view all the answers

What is the name of the STD caused by the Trichomonas vaginalis parasite?

Urogenital trichomoniasis (B) Signup and view all the answers

What is the primary function of the micronucleus in protozoa?

Functioning in sexual reproduction and regeneration of macronucleus (B) Signup and view all the answers

What is the main function of contractile vacuoles in protozoa?

Regulating the osmotic balance and water balance of the cell (D) Signup and view all the answers

What is the characteristic of pseudopodia in protozoa?

They are blunt, lobe-like extensions of the cytoplasm (A) Signup and view all the answers

What is the primary component of the shells of radiolarians and diatoms?

Silica (B) Signup and view all the answers

What is the mode of nutrition in which nutrients cross the plasma membrane by pinocytosis, diffusion, or carrier-mediated transport?

Saprozoic (A) Signup and view all the answers

What is the process of reproduction in which the nucleus of a cell divides multiple times before the rest of the cell divides?

Schizony (D) Signup and view all the answers

What is the characteristic of plasmodial slime molds in their vegetative forms?

Masses of protoplasm (C) Signup and view all the answers

What is the function of the viral envelope in enveloped viruses?

To obtain phospholipid membrane from the host cell (D) Signup and view all the answers

What determines the length of a helical virus?

The nucleic acid genome (D) Signup and view all the answers

What is the characteristic of the vegetative forms of Dictyostelium, a type of cellular slime mold?

A single amoeba (D) Signup and view all the answers

What is the function of the capsid in a virus?

To enclose the genetic material of the virus (C) Signup and view all the answers

What is the characteristic of icosahedral viruses?

They have a spherical shape with 20 triangular faces (B) Signup and view all the answers

What is the function of carbohydrates in the lipopolysaccharide outer membrane of gram-negative bacteria?

They are recognized by bacteriophage T4 as receptors (C) Signup and view all the answers

What is the purpose of cultivating viruses in embryonated eggs?

To detect the presence of viruses (C) Signup and view all the answers

What is the purpose of a plaque assay?

To detect the presence of viruses in a sample (D) Signup and view all the answers

Why do host cells need to be growing for viruses to replicate in them?

Because viruses can only replicate in growing cells (D) Signup and view all the answers

What is the basis of classification for viruses?

Their structure and genome (D) Signup and view all the answers

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