REVISION QUESTIONS
1.Breaks down and feeds on the remains of other
organisms
decomposer
consumer
producer
2.What is the study of the interactions among
organisms and between organisms and their environments called?
Biology
Ecology
Astronomy
Biosphere
3.The phenomenon by which toxins concentrate in
the organisms at higher trophic levels within an ecosystem is known as...
Biotoxicity
Biomagnification
Eutrophication
Predation
4.What does the Ozone in the atmosphere do?
causes the greenhouse effect
causes acid rain
protects the Earth from harmful infrared (IR) rays
protects the Earth from
harmful ultraviolet (UV) rays
5.All energy on Earth ultimately comes from
____.
Water
Sun
Consumers
Oxygen
6.What does a food chain represent?
How all living organisms within a habitat are connected.
All of the things that a particular animal eats.
How plants create their own food.
A single path of energy transfer
within a habitat.
7.What
does the arrows in a food chain or web represents?
hey point to the organism that is being eaten.
It shows how sunlight flows within an ecosystem.
They show what direction
the energy is flowing between organisms.
They represent how water is transferred within a habitat.
8.How
much energy is available to be passed on to the next trophic level in an
ecosystem?
100%
10%
50%
75%
9.The
largest group of organisms found in a food web would be:
Primary Consumers
Producers
Decomposers
Tertiary Consumers
10.Dry
cell batteries and household pesticides are classified as --------- waste.
industrial solid
toxic solid
hazardous
electronic
11.Which of the following is NOT a fossil fuel?
Petroleum
Biomass
Natural gas
Coal
12.A
type of energy that is made by splitting uranium atoms is
solar energy
nuclear energy
biomass energy
water energy
14.Hot
water is pumped up from deep inside Earth and is used to heat homes or to
generate electricity. This describes...
nuclear power
hydroelectric power
geothermal power
tidal power
15.What determines the sex of a baby?
the father’s blood group
the father’s chromosomes
the mother’s blood group
the mother’s chromosomes
16.Each cell in your body contains
................ pairs of chromosomes.
23
22
24
21
17.Cells that contain only ONE set of
chromosomes are called ________ (n).
diploid
polyploid
triploid
haploid
18.In watermelons, green rinds (G) are dominant
to striped rinds (g). What is the genotype of a heterozygous green
watermelon?
GG
Gg
gg
green
19.One
of the two forms of a gene is called a(n)
genotype
allele
hybrid
trait
20.Dominant
alleles are represented by a -------.
Male gene
lowercase letter
recessive trait
capital letter
21.The
physical characteristics that result from genes is called --------.
phenotype
genotype
heterozygous
homozygous
22.If
a homozygous dominant allele (AA) is crossed with a homozygous recessive allele
(aa), all of the resulting offspring will be --------.
Homozygous dominant
Heterozygous
Homozygous Recessive
23.The monthly shedding of the uterine lining
is called ---------.
hormones (estrogen)
menstruation (period)
ova (eggs)
testes (testicles)
24.HIV stands for ______________________ and is the
__________________.
Human Immune Variation, virus that causes AIDS
Human Immunodeficiency
Virus, virus that causes AIDS
Human Immunoboost Virus, virus that resolves AIDS
Human Immunoblast Virus, virus that resolves AIDS
25.The period of time during which
the body develops into a reproductively mature adult is called
______.
puberty
adolescence
childhood
adulthood
26.__________ is the study of how traits are
passed on, or inherited.
dominant traits
ratio
phenotype
genetics
27.---------- is one set of instructions for an
inherited trait.
heredity
allele
trait
gene
28.How many electrons are shared in a double
bond?
2
4
6
8
29.What bond is formed between a metal and a
nonmetal?
Covalent bond
Ionic bond
Hydrogen bond
Metallic bond
30.What can be generalized about covalent
bonds?
Electrons will be exchanged.
Electrons will be transferred.
Electrons will be given and taken.
Electrons will be shared.
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