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SAT Biology (Molecular) → SAT Biology (Molecular) practice test paper questions from 91 to 100

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91. Which of the following terms does NOT refer to an example of a weak force of interaction between two molecules?
(A) covalent bond
(B) Van der Waals bond
(C) hydrophobic bond
(D) electrostatic bond
(E) hydrogen bond

92. The element found in all amino acids that is NOT found in carbohydrates is
(A) sulfur
(B) carbon
(C) oxygen
(D) hydrogen
(E) nitrogen

93. Which of the following would NOT have hydrophilic properties?
(A) OH
(B) molecules in aqueous solution
(C) long hydrocarbon chains
(D) ionized molecules
(E) polar molecules

94. Which of the following is NOT found in DNA?
(A) uracil
(B) thymine
(C) phosphate
(D) adenine
(E) deoxyribose sugar

95. Elements used for making molecules found in living systems must
(A) contain nitrogen and sulfur
(B) be hydrophilic
(C) be covalent
(D) be water soluble and ionic
(E) be suitable and available

96. Which of the following is NOT a property of water?
(A) hydrophilic properties
(B) hydrophobic properties
(C) very good solvent
(D) density as a solid is less than that as a liquid
(E) strong surface tension

97. Which of the following are weak forces usually associated with biological molecules?
(A) hydrogen bonds
(B) electrostatic interactions
(C) covalent bonds
(D) ionic bonds
(E) both (A) and (B)

98. Which of the following procedures would NOT be likely to lead to the production of recombinant DNA?
(A) transformation of bacterial cells with plasmid DNA from another strain of bacteria
(B) transformation of bacterial cells with naked DNA from human cells
(C) transduction of bacteria using phage particles (bacterial viruses)
(D) projectile bombardment of cells with DNA-coated particles from a ‘gene gun’
(E) the removal of a single somatic cell from a carrot and regenerating an entire plant from the cell through tissue culture

99. The human skin contains all of the following receptors EXCEPT
(A) pain receptors
(B) pressure receptors
(C) thermoreceptors
(D) chemoreceptors
(E) touch receptors

100. Darwin’s Natural Selection includes all of the following EXCEPT
(A) Variation can be due to mutations
(B) The difference in survivability between organisms may be due to variation
(C) Not all organisms may survive, due to competition
(D) Organisms produce more offspring than can survive
(E) Some organisms will be more fit to survive than others

ANSWERS: SAT BIOLOGY MOLECULAR (M) PRACTICE TEST
91. A
92. E
93. C
94. A
95. E
96. B
97. E
98. E
99. D
100. A