Multiple Choice Questions 10×1=10
1
Which of these statements is NOT related to bacteria?
A
Do not have a nucleus
B
Cell wall made of peptidoglycan
C
Most are heterotrophic
D
Have chlorophyll in their chloroplast
2
Which industry relies on biodiversity for resources?
A
Textile
B
Pharmaceutical
C
Automotive
D
Paper
3
What does classification explain among organisms?
A
Population size
B
Inter relationship
C
Migration pattern
D
Reproductive rates
4
Which domain includes human?
Domains: Archaea • Bacteria • Eukarya
A
Archaea
B
Bacteria
C
Eukarya
D
Protista
5
Which taxonomic rank comes directly below kingdom?
A
Class
B
Phylum
C
Order
D
Genus
6
In plants and fungi, the term is used instead of phylum:
Hint: Different taxonomic terms are used for different kingdoms.
A
Class
B
Order
C
Division
D
Genus
7
Who first classified organisms into plants and animals?
A
Carl Linnaeus
B
Aristotle
C
Ernst Haeckel
D
Robert Whittaker
8
Which organism is unicellular in kingdom fungi?
A
Mushroom
B
Yeast
C
Smut
D
Molds
9
Which characteristic is common to prions and viroids?
A
They contain DNA
B
They are cellular
C
They are acellular
D
They cause cancer in humans
10
The second part of a scientific name identifies the:
Genus + Species = Scientific Name
A
Genus
B
Family
C
Species
D
Order
Short Answer Questions 15×2=30
1
What are the shortcomings of the three-kingdom classification system?
ii
List the three domains that encompass all living organisms.
iii
Name two factors affecting biodiversity distribution.
iv
How does altitude influence biodiversity?
v
How often do biologists discover new kinds of organisms?
vi
Which taxonomic rank was added in 1977?
vii
What term did Carl Linnaeus use for his taxonomic hierarchy?
viii
Why was the two-kingdom system considered unworkable?
ix
Name the third kingdom proposed by Ernst Haeckel.
x
Name two examples of archaeobacteria.
xi
What is the function of decomposer bacteria?
xiii
Why are viruses excluded from biological classification?
xiv
Name two plant diseases caused by acellular particles.
xv
What is the main advantage of binomial nomenclature?