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WorksheetsBiodiversity
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
Biodiversity is a short term for ____________.
a)
Biological diversity
b)
Biological diverse
c)
Biological diversified
d)
All of the above
2.
Environments always have both living and _________.
a)
nonliving factors
b)
bio-geochemical cycles
c)
nutrients
d)
ecosystem
3.
the ocean is the __________ ecosystem in the world.
a)
shortest
b)
smallest
c)
largest
d)
longest
4.
Abiotic factors are non living things which determines the survival of an organism. which of the following options is an abiotic factor?
a)
habitat
b)
temperature
c)
electricity
d)
none of the above
5.
Biodiversity is the variety of ________ in a given area
a)
organisms
b)
genes
c)
species
d)
communities
6.
Biodiversity is the ________ variation within a population.
a)
genetic
b)
individual
c)
specie
d)
characteristics
7.
Biodiversity is the variety of ________ in a community.
a)
genes
b)
population
c)
species
d)
community
8.
it is the naming and describing (cataloging) of all the species that exist on Earth.
a)
Evolution
b)
Nomenclature
c)
Classification
d)
Taxonomy
9.
The number of species known to science is about ____ million.
a)
17
b)
1.7
c)
10.7
d)
11.7
10.
which among the organisms on earth has the greatest number identified or named
a)
animals
b)
plants
c)
fungi
d)
bacteria
11.
which among the organisms on earth has the least number identified or named?
a)
animal
b)
plants
c)
fungi
d)
bacteria
12.
New species are considered known when they are _______ and ________ scientifically.
a)
collected and named
b)
collected and preserved
c)
collected and described
d)
all of the above
13.
in which of the following places in which UNKNOWN SPECIES the most?
a)
forest
b)
river
c)
dessert
d)
wilderness
14.
which of the following is not a level of bioidiversity?
a)
specie
b)
ecosystem
c)
population
d)
genetic
15.
What diversity refers to all the different genes contained within all members of a population.
a)
specie
b)
ecosystem
c)
genetic
d)
character
16.
A gene is a segment of DNA that is located in a _________ and that codes for a specific hereditary trait.
a)
genes
b)
alleles
c)
chromosome
d)
cell
17.
Biodiversity can affect the ________ of ecosystems and the _________ of populations.
a)
sustainability and stability
b)
stability and sustainability
c)
life and existence
d)
existence and life
18.
which of the following pair of organisms is depended on or depended upon?
a)
plants and water
b)
man and fish
c)
fish and water
d)
man and tree
19.
It is a species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community.
a)
keystone specie
b)
endangered specie
c)
unknown specie
d)
known specie
20.
what fractions of the drugs prescribed in Asia particularly in China, Thailand and Philippines are derived from plants?
a)
1/2
b)
1/4
c)
1/6
d)
1/8
21.
what organism is the most common source of antibiotics?
a)
animal
b)
plants
c)
fungi
d)
bacteria
22.
which of the following is an example of valued biodiversity for aesthetics?
a)
swimming
b)
hiking
c)
wall climbing
d)
trekking
23.
True or False
Some people believe that we should preserve biodiversity for ethical reasons.
Some people believe that we should preserve biodiversity for ethical reasons.
a)
true
b)
false
24.
It is a form of tourism that supports the conservation and sustainable development of ecologically unique areas.
a)
Ecotourism
b)
Ecopark
c)
Wildlife
d)
all of the above
25.
Which option is abiotic?
a)
Plants
b)
Bacteria
c)
Water
d)
Fungi
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