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Midterm Questions 3
Test Description: Multiple Choice
Instructions: Answer all questions to get your test result.
1) Homeostasis means
A
maintaining a stable internal environment
B
a change over long periods of time
C
rapid change
D
the same thing as evolution
2) The electrons of an atom
A
have a positive charge
B
are attached to the positive charge of neutrons
C
are found in the nucleus along with the protons.
D
occupy the space surrounding the nucleus
3) All matter is composed of
A
atoms
B
cells
C
molecules
D
carbon
4) The father of genetics was
A
A. Knight
B
None of the above
C
Hans Krebs
D
Gregor Mendel
5) The scientific study of heredity is called
A
cross-over
B
pollination
C
meiosis
D
genetics
6) If a characteristic is sex-linked, it
A
can never occur in females
B
is always fatal
C
occurs only in females
D
occurs most commonly in males
7) a molecule that has a partial positive charge on one side and a partial negative charge on the other side is called
A
charged molecule
B
polar molecule
C
non polar molecule
D
bipolar molecule
8) The bond formed when two atoms share a pair of electrons is called a
A
water bond
B
hydrogen bond
C
covalent bond
D
ionic bond
9) Acidic solutions have a pH that is
A
a negative number
B
more than 7
C
less than 7
D
between 7 and 14
10) Which of the following is not an organic macromolecule?
A
nucleic acid
B
ice
C
carbohydrate
D
lipid
11) The passing of traits from parents to offspring is called
A
genetics
B
maturation
C
heredity
D
development
12) A change in a gene due to damage of being copied incorrectly is called
A
segregation
B
meiosis
C
a mutation
D
evolution
13) All organic compounds contain the element
A
calcium
B
sodium
C
carbon
D
nitrogen
14) Which of the following organic molecules are classified as carbohydrates
A
fatty acids
B
sugars
C
nucleotides
D
amino acids
15) Polysaccharides are
A
carbohydrates
B
lipids
C
proteins
D
unsaturated fats
16) Long chains of amino acids are found
A
proteins
B
lipids
C
carbohydrates
D
sugars
17) Which of the following are carbohydrates?
A
DNA
B
sucrose
C
wax
D
insulin
18) The two types of nucleic acids are
A
glucose and glycogen
B
chlorophyll and retinal
C
lipids and sugars
D
RNA and DNA
19) A diagram in which several generations of a family and the occurrence of certain genetic characteristics are shown is called a
A
family karyotype
B
monohybrid cross
C
Pungent square
D
pedigree
20) Since the allele for colorblindness is located on the X chromosome, colorblindness
A
occurs only in adults
B
non of the above
C
cannot be inherited
D
is sex linked
*select an answer for all questions
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