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Life Science Finals Review Part 1 Flashcards | StudBud
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Life Science Finals Review Part 1
Life Science Finals Review Part 1
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Life Science
Flashcards
36 cards
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Practice quiz
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Questions
36
Answers
1
Identify structure B.
aorta
left atrium
left ventricle
right atrium
2
The amount of energy required to raise the temperature of 1 gram of water by 1 Celsius degree
vitamin.
protein.
calorie.
carbohydrate.
3
What is the function of a cell membrane?
to support the cell
to form a hard outer covering for the cell
to perform different functions in each cell
to control what enters and leaves the cell
4
Identify structure E.
right atrium
left ventricle
valve
septum
5
Identify structure D.
left ventricle
left atrium
valve
right atrium
6
An organism’s physical appearance is its
phenotype.
heterozygous.
codominance.
genotype.
7
Which of the following describes the first nine months of human development in correct order?
egg, sperm, zygote
zygote, embryo, fetus
zygote, fetus, embryo
embryo, fetus, afterbirth
8
Identify structure F.
valve
left ventricle
right atrium
right ventricle
9
Sex-linked genes are genes on
all 23 pairs of chromosomes.
the X chromosome only..
the Y chromosome only.
the X and Y chromosomes.
10
In which vessels are materials exchanged between the blood and the body cells?
veins
lympathic vessels
capillaries
arteries
11
The invention of the microscope made it possible for people to discover
animals.
cells.
skin.
plants.
12
What structure directs the activities of a cell?
cytoplasm
nucleus
cell membrane
cartilage
13
Which of these traits is controlled by a gene with multiple alleles?
blood type
widow's peak
straight hairline
smile dimples
14
What captures energy from sunlight during photosynthesis?
carbohydrates
chlorophyll and other pigments
stomata
solar cells
15
Where in the respiratory system does gas exchange occur?
in the pharynx
in the trachea
in the alveoli
in the heart
16
Which organ system makes blood cells?
skeletal system
circulatory system
nervous system
digestive system
17
Blood vessels that carry blood away from the heart are called
arteries.
capillaries.
veins.
lymphatic vessels.
18
What is a pedigree?
a picture of all of the chromosomes in a cell
an allele passed from parent to child on a sex chromosome
a geneticist who studies the inheritance of traits in humans
chart that tracks which members of a family have a trait
19
What is the function of a cell wall?
to prevent oxygen from entering the cell
to prevent water from passing through it
to protect and support the cell
to perform different functions in each cell
20
Needed substances are carried to the body cells by
enzymes.
water.
food.
blood.
21
One role of fats is to
act as helper molecules.
break down nutrients.
form part of the cell membrane.
link together to form proteins.
22
What did Gregor Mendel do to study different characteristics in his genetics experiments?
He studied only asexualplants.
He cross-pollinated bothplants and animals.
He cross-pollinated plants.
He studied only tall and short pea plants.
23
Which organelle is the control center of a cell?
nucleus
chloroplast
mitochondrion
ribosome
24
What digestive organ releases enzymes that help break down starches, proteins, and fats?
stomach
liver
pancreas
large intestine
25
Identify structure G.
left ventricle
right atrium
valve
right ventricle
26
In which excretory organ is urea produced?
kidneys
skin
liver
lungs
27
Diagram that shows amount of energy that moves from one level to another in a food web
ecosystem.
food chain.
energy pyramid.
niche.
28
A DNA molecule is shaped like a
long, thin rod.
spiral staircase.
triple helix.
straight ladder.
29
Identify structure A.
right atrium
left ventricle
left atrium
aorta
30
Which chemical in tobacco smoke is an addictive drug?
tar
nitrogen
carbon dioxide
nicotine
31
A change or signal in the environment that can make an organism react is called a(n)
reaction.
stimulus.
impulse.
response.
32
The more classification levels that two organisms share,
the more distantly related they are.
the closer together on Earth they live.
the more characteristics they have in common.
the easier it is to tell them apart.
33
Both parents of a child have type A blood. What might their child’s blood type be?
Type A or type O
Type A or type B
Type A or type AB
Type A only
34
Where does a fertilized egg develop after it leaves the fallopian tube?
in an ovary
in the uterus
in the cervix
in the vagina
35
What part of the brain controls memory?
brainstem
spinal cord
cerebum
cerebellum
36
Identify structure C.
right atrium
left ventricle
left atrium
valve
