ESM236

The
sulphur bacteria uses
carbon dioxide to reduce
hydrogen sulphide to
sulphur in order to obtain
carbohydrate.

Ammonia is converted to
nitrites during the process
of

The movement of chemical
elements through the
biological and geographical
components of the
biosphere is known as
cycle

Temporary inhabitants of an
environment are known as
___.

Which microorganism is
used for the production of
cheese

Which of these processes
is not involved in the
nitrogen cycle?

The make-up of a
microbiological medium
exists in all of these except

The environment,
organisms, biotic and
abiotic factors are
components of the

Energy from the sun is
captured by the

A continous flow of nitrogen
in the ecosystem is
maintained through

Which of the following
bacteria is not an
anaerobe?

A species of yeast used in
preparing bread is ___

One of the following options
is not a long-term method
of storing virus tissues.

Food leftover in the kitchen
for 3 days in the presence
of air and water will reveal
spores of ___

The
pigment is obtained from
the fungus Blakeslea
trispora

Clostridium tetani is a
pathogen which causes -----
---in man.

Lipase is produced by the
fungus

Biogeochemical cycles
have the following features
except

Food leftover in the kitchen
for 3 days in the presence
of air and water will reveal
spores of

Clostridium spp is mainly
found in the

The movement of chemical
elements through the
biological and geographical
components of the
biosphere is known as ___

The most common
organisms found in air are

The
sulphur bacteria oxidizes
hydrogen sulphide to
sulphur which is stored in
bacterial cells as granules

The true fungi is classified
into subdivisions based on
their

The body of a fungus is
called ___.

Ammonia is converted to
nitrites during the process
of ___

A type of yeast used in
preparing bread is

The physical location of an
organism is known as

The study of the
relationship among
organisms and their
environment is known as

forms the backbone of
organic compounds in living
tissues

Sulphur is an essential
component of living cells
found in amino acids such
as ___

The lithosphere consists of
the following except ___.

The yeast cell reproduces
by ___ division

The organisms within an
ecosystem live in

Which of the following is is
a limiting factor for growth
of many organisms?

In cell culture, some tissues
deteriorate as they multiply;
this is called
effect

The organism
partakes in the production
of citric acid

Atromentin is the pigment
produced by the fungus

Which of the following is not
a sewage bacteria?

Homogenization of
microorganisms involves
of the extract

The mean daily
precipitation overland is
about

In anaerobic conditions,
ntrates are reduced to
nitrous oxide through a
process of ___.

The advantage of agar
medium over gelatin as a
solidifying agent is that

The yeast cell reproduces
by
division

Algae are found as plants in
freshwater or ___ in marine
water

Autotrophs are able to
manufacture their food
through ___

The hyphae of fungi is
bounded by a cell wall
made up of chitin and

Lipase is produced by
which of the following
fungi?

Temporary inhabitants of an
environment are known as

Prosthesa is an adaptation
for a bacterium found in
lakes