1.The first step in the biosynthesis of cell wall takes place in
a.nucleoplasm
b.mitochondra
c.both a and b
d.cytoplasm

2.Porins are
a.hydrophillic pores in the lipophillic membrane
b.substances that allow high molecular weight substances
c.substances that allow low molecular substances
d.both a and c

3.The filament part of flagella is inserted into
a.basal body
b.tubular hook
c.cell membrane
d.all of above

4.The S ring of the inner ring in Gram-negative bacteria acts as
a.a drive plate
b.undulating ring
c.anchoring plate
d.counterbalance on the inner surface of peptidoglycan

5.Bipolar polytrichous flagellation is otherwise called
a.lopotrichous
b.amphitrichous
c.peritrichous
d.monotrichous

6.The antibiotics which inhibit cell wall synthesis is
a.polymixin
b.edeines
c.bacitracin
d.gramicidin

7.Retting is a process of bio degradation and for
a.degrading pectin
b.degrading cellulose
c.degrading starch
d.degrading retina from dead animals

8.The interval between completion of mitosis and beginning of DNA synthesis is called
a.G1 Phase
b.G2 Phase
c.S phase
d.M phase

9.______ demonstrates presence and arrangement of flagella
a.flagella stain
b.capsle stain
c.endospore stain
d.Giemsa Stain

10.Arobic bacteria in fresh water have ________ that increase the surface area for abortion
a.prosthecae
b.flagella
c.cilia
d.fimbrae