Review Exercise # 46

PRACTICE QUESTIONS

Exercise # 46

Q1.Pyrimidines are catabolised to

    

     a. β Alanine

     b. Ammonia

     c. Co₂

     D. All of the above

Q2.Fungi are classified based on their sexual reproductive structures. Deuteromycota means,

I. Asexual

II. Also called Fungi imperfecti

III. They form Zygote

 a. I Only

 b. III Only

 c. I & II only

 d. II & III only

 e. All

Q3. Protozoa are classified based on

    

     a. Sexual characteristics

     b. Mode of motility

     c. Shape and arrangement

     d. Based on virulence

Q4. Protozoa classified as Sporozoa ( plasmodium)are

     a.Flagellates

     b.Amoeba

     c.Ciliates

     d.Non motile

Q5. Prions are

     a. A type of bacteria

     b. Infectious proteins

     c. A type of virus

     d. A type of fungus

     e.A type of protozoa

Q6. Peritrichous means

     a.A single flagellum at either pole ( monotrichous)

     b. A tuft of flagella at either or both poles (      Lophotrichous)

     c. A flagellum at both pole (Amphitrichous)

     d. Flagella distributed evenly over the entire cell

     e. Periplasmic flagella wrapped around spirochetes (      axial )

Q7.Protein synthesis is mediated in bacteria by

     a. 80S ribosomes (Humans)

     b. 70S ribosomes

     c. 30S ribosomes

     d. 50S ribosomes

Q8.Which of the following are true with respect to the CAPSULE layer of the bacteria?

I. Usually made of polysaccharide

II.Increases the virulence of the organism

III.Prevents phagocytosis and helps in adherence to the host cell

a.       I Only

b.      III Only

c.       I & II only

d.      II & III only

e.       All

Q9.If the polysaccharide is nonadherent it is known as

f.       Capsule loss

g.      Slime layer

h.      Cell wall

i.        Cell membrane

Q10.Flagella are made of

j.        Protein

k.      Carbohydrates

l.        Lipids

m.    Glycolipids

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