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