Question

Read the following features and identify the organism on these basis. A. Flagellum is absent

B. Has chlorophyll a

C. Possess rigid cell wall

D. Fixes atmospheric nitrogen as well as carbon dioxide

© E. coli

A

Mark for Review

O Methanogens

Nostoc

Halophiles​

Answer 1

Answer:

A. Cyanophyta.

In order to enable mobility, certain plant and animal sperm cells as well as a variety of microbes have hair-like appendages called flagellums.

B. All plants, algae, and Cyanobacteria.

Chlorophyll a is a specific form of chlorophyll used in oxygenic photosynthesis. It absorbs most energy from wavelengths of violet-blue and orange-red light, and it is a poor absorber of green and near-green portions of the spectrum.

C. Bacteria, fungi, algae, and higher plants.

A cell wall is an external structural layer that surrounds some types of cells.

D. Rhizobium.

The bacteria known as rhizobium coexists symbiotically with the root nodules of leguminous plants.

E. E. coli- The bacteria Escherichia coli (E. coli) typically resides in the intestines of healthy humans and animals. This bacteria is typically not harmful.

F.  Methanogens- In situations with low oxygen levels, microbes called methanogens create methane as a metabolic byproduct. The majority of methanogens are anaerobic organisms that cannot survive in an aerobic environment.

G. Nostoc- A cyanobacterium is Nostoc. Similar to bacteria, cyanobacteria are small, single-celled creatures without a cell nucleus.

H. Halophiles​- The word "halophile" comes from the Greek for "salt-loving," and refers to an extremeophile that can survive in environments with a lot of salt.

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