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Eoct Review
Test Description: Eoct review
Instructions: Answer all questions to get your test result.
1) The genetic disorder trisomy 21 (Down Syndrome) is caused by what genetic event?
A
crossing-over
B
nondisjunction
C
frame-shift location
D
base pair substitution
2) Which of these can help farmers counteract the negative effects on their soil?
A
large-scale irrigation
B
contour planting
C
expensive fertilizers
D
insect predators
3) Organisms in an ecosystem are linked together by
A
water cycles
B
greenhouse effects
C
geochemical pathways
D
food webs
4) Lyme disease can be transmitted from ticks by causing a rash followed by flu-like symptoms. Which of the following is the MOST effective in the treatment of Lyme disease?
A
antibiotics to destroy the bacteria that cause the disease
B
pesticides that destroy the ticks that are infected
C
herbicides that destroy the grass where ticks live
D
vaccinations in people that already have the disease
5) Biology is the study of
A
molecules
B
life
C
science
D
animals
6) Which of the following shows how information is transformed to make a protein?
A
gene --> chromosome --> protein
B
cell respiration --> ATP --> protein
C
ATP --> amino acid --> protein
D
DNA --> RNA --> protein
7) Homeostasis is the maintenance of stable conditions within the body. Which of the following is a method of maintaining homeostasis in the human body?
A
eating balanced meals
B
sleeping regularly
C
shivering when cold
D
working in air conditioning
8) Humans have had a tremendous impact on the environment. What has caused an increase in the amount of acid rain?
A
nuclear power plants
B
use of chlorofluorocarbons
C
coal burning power plants
D
use of pesticides
9) The gene for red/green colorblindness in humans is recessive and primarily affects males. It must be located on
A
the X chromosome
B
either the X or Y chromosome
C
both the X and Y chromosome
D
the Y chromosome
10) Water (H20) is an example of a molecule whose atoms are held together by which of the following?
A
hydrogen bonds
B
metallic bonds
C
ionic bonds
D
covalent bonds
*select an answer for all questions
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