Biology
Which of the following macromolecules contains genetic information?
a. nucleic acid
b. protein
c. lipid
d. Carbohydrates
a. nucleic acid
2. What is a general characteristic of all Brønsted-Lowry bases?
A. They all accept H+ .
B. They all accept OH- .
C. They will turn litmus a pink colour.
D. They will react with acids to produce H2 gas.
A. They all accept H+ .
1. What was a key feature of the Renaissance in Europe?
A) Rejection of classical learning
B) Emphasis on religious conformity
C) Revival of interest in ancient Greek and Roman culture
D) Rise of feudalism
C) Revival of interest in ancient Greek and Roman culture
Which part of the nervous system controls voluntary movement?
A) Autonomic nervous system
B) Somatic nervous system
C) Central nervous system
D) Sympathetic nervous system
B) Somatic nervous system
What does the second derivative f''(x) indicate about the function f(x)?
A) Rate of change of f(x)
B) Concavity of f(x)
C) Maximum value of f(x)
D) Slope of f(x)
B) Concavity of f(x)
Which distinguishes starch from cellulose?
a. starch is made by plants and cellulose is made by animals
b. cellulose is not branched while starch is highly branched
c. starch is not branched while cellulose is highly branched
d. starch contains a beta linkage while cellulose contains an alpha linkage
b. cellulose is not branched while starch is highly branched
3. Which of the following is true at equilibrium?
A) The concentrations of reactants and products are always equal
B) The forward and reverse reactions stop
C) The rate of the forward reaction equals the rate of the reverse reaction
D) Only products are present
C) The rate of the forward reaction equals the rate of the reverse reaction
6. What was the main goal of the Congress of Vienna (1815)?
A) Promote liberal democracies in Europe
B) Restore peace and balance of power after Napoleon
C) Divide Africa among European nations
D) Start the League of Nations
B) Restore peace and balance of power after Napoleon
The process of bone formation is called:
A) Ossification
B) Osteoporosis
C) Calcification
D) Articulation
A) Ossification
Vector A = 3i - 2j, Vector B = -i + 4j. What is A + B?
A) 2i + 2j
B) 4i + 2j
C) 2i - 6j
D) -2i + 6j
A) 2i + 2j
What is a presynaptic cell?
a. neuron that carries an impulse to the synapse
b. neuron that carries the impulse away from the synapse
c. functional connection between neurons
d. neuron that connects to the effector
a. neuron that carries an impulse to the synapse
5. What is the shape of a molecule with 3 bonding pairs and 1 lone pair around the central atom?
A) Linear
B) Trigonal planar
C) Tetrahedral
D) Trigonal pyramidal
D) Trigonal pyramidal
8. What impact did the Haitian Revolution have globally?
A) It was ignored by European powers
B) It helped reinforce slavery in North America
C) It inspired other slave and anti-colonial movements
D) It caused a war between France and Britain
C) It inspired other slave and anti-colonial movements
Which term describes the decrease in muscle size due to inactivity?
A) Hypertrophy
B) Atrophy
C) Hyperplasia
D) Myogenesis
B) Atrophy
If f(x) = sin x, what is f'(x)?
A) cos x
B) -cos x
C) -sin x
D) tan x
A) cos x
Which of the following will form a triglyceride
a. three cholesterol molecules
b. three fatty acids and a glycerol
c. three glycerols and a fatty acid
d. three glucose and a fatty acid
b. three fatty acids and a glycerol
6. What is the correct IUPAC name for the compound CH₃CH₂CH₂CH₃?
A) Methane
B) Propane
C) Butane
D) Pentane
C) Butane
9. What was a major cause of the Spanish American revolutions?
A) Support for Spanish monarchism
B) Desire to expand European control
C) Creole resentment of Peninsular control
D) Collapse of the Inca Empire
C) Creole resentment of Peninsular control
The functional unit of a muscle fiber responsible for contraction is called:
A) Sarcolemma
B) Sarcomere
C) Myofibril
D) Myosin
B) Sarcomere
What is the derivative of f(x) = 3x^4 - 5x^2 + 6?
A) 12x^3 - 10x
B) 12x^3 + 10x
C) 7x^3 - 10x
D) 3x^3 - 5x
A) 12x^3 - 10x
What is the correct tRNA anticodon sequence for the 3'- ACT - 5' DNA template sequence?
a. 5'-UGA-3'
b. 3'-UGA-5'
c. 5'-ACU-3'
d. 3'-ACU-5'
e. none of the previous
d. 3'-ACU-5'
4. What is the oxidation number of sulfur in H₂SO₄?
A) +4
B) +6
C) +2
D) +1
B) +6
10. Who led the Parliamentary forces during the English Civil War?
A) James I
B) William of Orange
C) Oliver Cromwell
D) Thomas Hobbes
C) Oliver Cromwell
Which type of joint allows the greatest range of motion?
A) Hinge joint
B) Ball and socket joint
C) Pivot joint
D) Saddle joint
B) Ball and socket joint
The dot product of vectors A = 2i + 3j and B = 4i - j is:
A) 5
B) 2
C) 5i - 3j
D) 11
D) 11