This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Biology Class 11 Chapter 5 - Variety of Life - Part 3
1.
What is the most effective protection against viral infections:
a) Disinfectants
b) Antibiotic
c) Washing Hands
d) Natural immunity of the host
2.
Bacteriophage occur in two structural form having _________ or helical symmetry.
a) Charles Chamberland
b) Cubical
c) Genus
d) Carolus Linnaeus
3.
Which is not true of prokaryotes:
a) Are both archaea and bacteria.
b) Are living cells
c) Lack a membranous bounded structure.
d) All are parasitic.
4.
In general appearance cubical phase are regular solid or __________ (having 20 faces).
a) Icosahedral
b) Lytic, Virulent
c) Genus
d) Induction
5.
________ is a disease which is transferred to human by bites of dogs.
a) Fungi
b) Carolus Linnaeus
c) Ernst Haeckel
d) Rabies
6.
RNA retroviruses have a special enzyme that:
a) Synthesis host DNA.
b) Polymerizes host RNA
c) Transcribes viral RNA to cDNA.
d) Translate host DNA
7.
Vaccin is not available for which virus.
a) HIV
b) HCV
c) HAB
d) HBV
8.
The human immunodeficiency virus primarily infects:
a) Plasma cells
b) Helper T cells
c) Red blood cell.
d) Killer T cell
This is more feedback!
This is the feedback!
