BSC 1005 EXAM 1 QUESTIONS AND ANSWERS
Which of the following is not recycled but is
lost from ecosystems?
A) nitrogen
B) sodium
C) magnesium
D) carbon
E) energy - Answers - E) energy
2) Humans are composed of ______ cells.
A) plant
B) prokaryotic
C) archaeal
D) bacterial
E) eukaryotic - Answers - E) eukaryotic
3) What name is given to the functional
compartments of a cell?
A) nuclei
B) genes
C) organelles
D) genomes
E) bacteria - Answers - C) organelles
4) All atoms of an element have the same
number of ______.
A) neutrons
B) protons plus neutrons
C) electrons
D) protons
E) electrons plus neutrons - Answers - D) protons
5) An uncharged atom of gold has an atomic
number of 79 and an atomic mass of 197. This
atom has ______ protons, ______ neutrons,
and ______ electrons.
A) 79 . . . 276 . . . 79
B) 79 . . . 118 . . . 79
C) 276 . . . 118 . . . 79
D) 118 . . . 79 . . . 118
E) 118 . . . 276 . . . 118 - Answers - B) 79 . . . 118 . . . 79
6) The hydrogens and oxygen of a water
, molecule are held together by ______ bonds.
A) osmotic
B) electron
C) hydrogen
D) covalent
E) proton - Answers - D) covalent
7) The DNA of a eukaryotic cell is found within
the ______.
A) insulin
B) archaea
C) prokaryotic cell
D) ecosystem
E) nucleus - Answers - E) nucleus
8) Which domain(s) consist(s) of prokaryotic
cells?
A) Bacteria and Archaea
B) Eukarya only
C) Archaea and Eukarya
D) Archaea only
E) Bacteria only - Answers - A) Bacteria and Archaea
9) Which of these is most closely associated
with Darwin?
A) natural selection
B) DNA
C) organelles
D) the three domains of life
E) ecosystem structure - Answers - A) natural selection
10) What are eukaryotic genes composed of?
A) A
B) RNA
C) G
D) DNA
E) C - Answers - D) DNA
11) What are the reactant(s) in the following
chemical reaction?
C6H12O6 + 6 H2O + 6 O2 → 6 CO2 + 12 H2O
A) C6H12O6, H2O, O2, CO2, and H2O
B) CO2 only
C) CO2 and H2O
D) O2 only
E) C6H12O6, H2O, and O2 - Answers - E) C6H12O6, H2O, and O2
Which of the following is not recycled but is
lost from ecosystems?
A) nitrogen
B) sodium
C) magnesium
D) carbon
E) energy - Answers - E) energy
2) Humans are composed of ______ cells.
A) plant
B) prokaryotic
C) archaeal
D) bacterial
E) eukaryotic - Answers - E) eukaryotic
3) What name is given to the functional
compartments of a cell?
A) nuclei
B) genes
C) organelles
D) genomes
E) bacteria - Answers - C) organelles
4) All atoms of an element have the same
number of ______.
A) neutrons
B) protons plus neutrons
C) electrons
D) protons
E) electrons plus neutrons - Answers - D) protons
5) An uncharged atom of gold has an atomic
number of 79 and an atomic mass of 197. This
atom has ______ protons, ______ neutrons,
and ______ electrons.
A) 79 . . . 276 . . . 79
B) 79 . . . 118 . . . 79
C) 276 . . . 118 . . . 79
D) 118 . . . 79 . . . 118
E) 118 . . . 276 . . . 118 - Answers - B) 79 . . . 118 . . . 79
6) The hydrogens and oxygen of a water
, molecule are held together by ______ bonds.
A) osmotic
B) electron
C) hydrogen
D) covalent
E) proton - Answers - D) covalent
7) The DNA of a eukaryotic cell is found within
the ______.
A) insulin
B) archaea
C) prokaryotic cell
D) ecosystem
E) nucleus - Answers - E) nucleus
8) Which domain(s) consist(s) of prokaryotic
cells?
A) Bacteria and Archaea
B) Eukarya only
C) Archaea and Eukarya
D) Archaea only
E) Bacteria only - Answers - A) Bacteria and Archaea
9) Which of these is most closely associated
with Darwin?
A) natural selection
B) DNA
C) organelles
D) the three domains of life
E) ecosystem structure - Answers - A) natural selection
10) What are eukaryotic genes composed of?
A) A
B) RNA
C) G
D) DNA
E) C - Answers - D) DNA
11) What are the reactant(s) in the following
chemical reaction?
C6H12O6 + 6 H2O + 6 O2 → 6 CO2 + 12 H2O
A) C6H12O6, H2O, O2, CO2, and H2O
B) CO2 only
C) CO2 and H2O
D) O2 only
E) C6H12O6, H2O, and O2 - Answers - E) C6H12O6, H2O, and O2
