biology help, please?

Eleida F

New member
Spirilla are spherical-shaped bacteria.

True
False

Bacteria are much smaller than viruses.

True
False

What is one place that archaebacteria might be found today?


A. Deep sea vents

B. Garden soil

C. Your intestines

D. Your mouth


Who developed a useful staining method to identify bacteria?


A. Aristotle
B. Charles Darwin
C. Hans Christian Gram
D. Stanely Miller

There are two major classes of organisms for the ways they obtain energy: _________


A. the autotrophs and the heterotrophs.
B. the chemical and the biological.
C. the chemotrophic and the phototrophic.
D. the viral and the bacterial.

When _______ takes place, the parent bacterium simply becomes two daughter cells of bacteria.


A. Binary fission
B. Conjugation
C. Chemotrophic fission
D. Phototrophic fission

_______ happens when one bacterium inserts a protein tube into another bacterium, and a segment of DNA then travels through the tube and is inserted into the DNA of the mate.


A. Binary fission
B. Conjugation
C. Chemotrophic fission
D. Phototrophic fission

The Kingdom Monera was split into which two kingdoms?


A. Archaebacteria and Cyanobacteria
B. Archaebacteria and Eubacteria
C. Cyanobacteria and Eubacteria
D. Methanobacteria and Halobacteria

What are rod-shaped bacteria called?


A. Bacilli
B. Circi
C. Cocci
D. Spirilla

What are the bacteria that use photosynthesis to produce light?


A. Archaebacteria

B. Cyanobacteria

C. Infectious bacteria

D. True bacteria

Vaccinations are not the only defense against bacterial infections. Another defense is _______.


A. weakened bacterial cells
B. conjugation
C. antibiotics
D. binary fission

Methanogen is an organism that produces the gas methane.
True
False

In general, bacteria come in three distinct shapes. Which of the following is NOT one of the three general bacterial shapes?


A. Rod-shaped bacteria
B. Whip-shaped bacteria
C. Spherical-shaped bacteria
D. Spiral-shaped bacteria

_______ gain energy from breaking down organic material and absorbing it.


A. Chemotrophic autotrophic bacteria
B. Phototrophic autotrophic bacteria
C. Chemotrophic heterotrophic bacteria
D. Phototrophic heterotrophic bacteria

Which of the following is NOT a standard factor for identifying bacteria?


A. Cell shape
B. Cell size
C. Cell wall
D. Method of movement

What is the smallest life form that does not contain a nucleus?


A. Eukaryote
B. Flagella
C. Prokaryote
D. Virus

Young hogfish are cleaner fish that work with larger fish to remove parasitic fish and diseased or necrotic tissue from their scales, gills, or mouths. This is an example of a _______.


A. spore formation
B. binary fission
C. conjugation
D. symbiotic relationship

Which archaebacteria lives in salty environments?


A. Cyanobacteria

B. Halophile

C. Methanogen

D. Thermophile

A substance that kills bacteria is known as an:


A. antibiotic
B. antihistamine
C. abiogenesis
D. adaptation
 
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