A
Organisms which have more similarities are closely related to each other. Which is considered the largest category into which organisms have been classified?
a. Class
b. Domain
c. Kingdom
d. Phylum
b. Domain
Families consist of several genera (genus), and each genus comprise the smallest group of various organisms. Which of the following is being referred to the smallest group of organisms in the classification?
a. Class
b. Genus
c. Order
d. Species
d. Species
Based from early studies, scientists came up with the three-domain system of classification. Which of the following refers to this?
a. Animalia - Chordata - Mammalia
b. Archaea - Bacteria - Eukarya
c. Kingdom - Phylum - Class
d. Eukaryotes - Prokaryotes - Bacteria
b. Archaea - Bacteria - Eukarya
Which of the following is an example of species name of organism?
a. Canidae
b. familiaris
c. Mammalia
d. Panthera
b. familiaris
Identify the correct pair of the words based on naming organisms.
a. genus : species
b. kingdom : class
c. mammal : chordates
d. order : genus
a. genus : species
Which of the following is NOT being considered in classifying organisms?
a. Complexity of organisms body
b. Major ecological role
c. Mode of Nutrition
d. Name of scientist who discovered
d. Name of scientist who discovered
Who was the scientist who made great contributions in naming organisms?
A. Alexander Fleming
B. Carolus Linnaeus
C. Charles Darwin
D. Robert Hooke
B. Carolus Linnaeus
Archaebacteria usually thrive in extreme environments. Which of the following bacteria live in mud at the bottom of lakes and swamps or intestine of animals that helps in the breaking down of food?
a. Halophiles
b. Methanogens
c. Thermophiles
d. Acidophiles
b. Methanogens
Which of the following bacteria play significant role in cleaning sewage and garbage?
a. Halophiles
b. Methanogens
c. Thermophiles
d. Acidophiles
b. Methanogens
There are bacteria which thrive in water with salt concentration exceeding 15%. Which of the following has this characteristic?
a. Halophiles
b. Methanogens
c. Thermoacidophiles
d. Acidophile
a. Halophiles
Which of the following bacteria play significant role in cleaning sewage and garbage?
A. Halophiles
B. Metanogens
C. Themophiles
D. Acidophiles
B. Metanogens
Which of the following is the cell structure of archaebacteria?
A. Biocellular
B. Multicellular
C. Eukaryotic
D. Unicellular
D. Unicellular
The bacteria which live in overly heated places with temperature reaching 750°F such as hot springs and geysers and interior layers of the earth with acidic level between pH of 1-3 is referred to which of the following?
a. Halophiles
b. Methanogens
c. Thermoacidophiles
d. Acidophile
c. Thermoacidophiles
Which of the following is NOT a type of bacteria?
a. bacillus
b. coccus
c. protozoa
d. spirillum
c. protozoa
Which habitat do Thermoacidophiles usually live?
a. Hot Springs
b. Intestines
c. Mud
d. Oceans
a. Hot Springs
Which of the following is a round shaped bacteria?
A. Bacillus
B. Coccus
C. Protozoa
B. Coccus
Which structure do most bacteria used in locomotion?
A. Flagella
B. Cilia
C. Pseudopodia
A. Flagella
Bacteria appear in different shapes. Which of the following is a round-shaped bacteria?
a. bacillus
b. coccus
c. protozoa
d. spirillum
b. coccus
Which is a rod shape bacteria?
a. bacillus
b. coccus
c. spirilla
d. streptococcus
a. bacillus
Which is a characteristic of the cell structure of bacteria?
a. bicellular
b. multicellular
c. coccus
d. unicellular
d. unicellular
Which bacteria is spiral in shape?
a. bacillus
b. multicellular
c. spirilla
d. streptococcus
c. spirilla
Which of the following Protists are microscopic, unicellular and uses pseudopodia in moving?
a. Amoeba
b. Euglena
c. Gonyaulax
d. Paramecium
a. Amoeba
Paramecium uses the tiny hair-like projections in moving called ________.
a. Cilia
b. Endoplasm
c. Flagella
d. Pseudopodia
a. Cilia
This Protist moves by flagella, the long whip-like structures located on the anterior end of the organism.
a. Amoeba
b. Euglena
c. Paramecium
d. Paramanema
b. Euglena
The long and slender filaments in fungi which are sometimes continuous and others are divided by septa are known as _______.
a. asci
b. hyphae
c. spores
d. stolon
b. hyphae