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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
nondisjunction
B
frame-shift location
C
crossing-over
D
base pair substitution
2) Which of these can help farmers counteract the negative effects on their soil?
A
large-scale irrigation
B
expensive fertilizers
C
contour planting
D
insect predators
3) Organisms in an ecosystem are linked together by
A
food webs
B
greenhouse effects
C
geochemical pathways
D
water cycles
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
vaccinations in people that already have the disease
B
herbicides that destroy the grass where ticks live
C
antibiotics to destroy the bacteria that cause the disease
D
pesticides that destroy the ticks that are infected
5) Biology is the study of
A
life
B
science
C
animals
D
molecules
6) Which of the following shows how information is transformed to make a protein?
A
DNA --> RNA --> protein
B
ATP --> amino acid --> protein
C
gene --> chromosome --> protein
D
cell respiration --> ATP --> 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
working in air conditioning
B
shivering when cold
C
eating balanced meals
D
sleeping regularly
8) Humans have had a tremendous impact on the environment. What has caused an increase in the amount of acid rain?
A
use of pesticides
B
coal burning power plants
C
use of chlorofluorocarbons
D
nuclear power plants
9) The gene for red/green colorblindness in humans is recessive and primarily affects males. It must be located on
A
both the X and Y chromosome
B
the X chromosome
C
either the X or 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
covalent bonds
D
ionic bonds
*select an answer for all questions
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