IMAT Practice Test 2024
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Q1: Who is the author of the famous novel To the Lighthouse?
Agatha Christie
Jane Austen
Mary Shelley
Virginia Woolf
Emily Dickinson
Q2: Which of the following CANNOT be inferred from the text about mathematics evolution?
The evolution of mathematics has been an extremely slow process.
In antiquity, mathematical notions were geared towards practical outcomes.
Symbols representing numbers had already been adopted in antiquity.
In antiquity, mathematical notions were not communicated in a methodical manner.
Since antiquity, mathematics has been characterized by abstractness and generality.
Q3: The Hundred Years' War was principally a conflict between which of the following kingdoms?
The Kingdom of France and the Kingdom of England
The Kingdom of England and the Kingdom of Portugal
The Kingdom of Aragon and the Kingdom of France
The Kingdom of Aragon and The Kingdom of Castile
The Kingdom of Castile and the Kingdom of Portugal
Q4: In which of the following is the verb passive?
In one of his works, Plato associates solid forms to the four elements: octahedron to air, tetrahedron to fire, cube to earth, and icosahedron to water.
In the Gallic Wars, Julius Caesar described in detail his military campaign to conquer Gaul.
In the Iliad, Homer sings the deeds of the Pelide Achilles.
Many students read Greek tragedies in high school.
The deeds of Aeneas were sung by Virgil.
Q5: To pass the test, a mark of higher than 5 is needed. What percentage of the candidates passed the test?
30%
25%
24%
20%
50%
Q6: Shelly is one of 1500 participants in a Latin contest. 12% of participants will receive as a prize either a silver-plated or gold-plated pen. If the number of silver-plated pens is twice the number of gold-plated ones, what is the probability that Shelly will receive a gold-plated one?
6 %
8 %
67 %
33 %
4 %
Q7: Two consecutive discounts of 10% and 20% are equal to a single discount of:
15%
18%
30%
25%
28%
Q8: Stacie builds a cube using 343 blocks of wood. She decides to paint the cube green. How many of the wooden blocks will have at least one side painted green?
245
105
238
125
218
Q9: “When he takes the train, Marco always arrives at work on time.” Which of the following statements can be deduced from the preceding proposition?
Marco arrived late; therefore he took the train.
Marco arrived late; therefore he did not take the train.
Marco did not take the train; therefore he arrived late.
Marco arrived on time; therefore he missed the train.
Marco took his car; therefore he arrived on time.
Q10: Which process occurs within mitochondria?
Cellular respiration
Glycolysis
Photosynthesis
The formation of microbodies
The methylation of sugars
Q11: What is a hydrogen bond?
It is a strong bond which allows bonding between non-polar molecules.
It is a covalent bond between hydrogen and oxygen.
It is the bond between hydrogen and ionised atoms (such as phosphorus).
It is a bond between a hydrogen atom and another strongly electronegative atom (such as oxygen or nitrogen) which is present in another molecule.
It is the bond which occurs between hydrogen and oxygen within a water molecule.
Q12: In eukaryotic cells, Krebs cycle reactions occur:
In the mitochondrial matrix
On the internal membrane of the mitochondria
In the large ribosomal subunit
Close to the plasma membrane
In the cytoplasm
Q13: What kind of monosaccharide is glucose?
tetrose
pentose
triose
nonose
hexose
Q14: Which pentose sugar is present in RNA nucleotides?
Lactose
Fructose
Glycerol
Glucose
Ribose
Q15: What are carrier proteins?
They are the proteins that transfer molecules and ions across the plasma membrane
They are proteins that phosphorylate enzymes in the plasma membrane.
They are proteins that break down phospholipids in the plasma membrane.
They are proteins that transport mRNA in the nucleus.
They are proteins that transport tRNA in the nucleolus.
Q16: What is the cell’s energy currency?
FADH2
Creatine
ATP
NADH
NADPH
Q17: Which kind of reaction is ATP hydrolysis?
exergonic
endergonic
condensation
Lipolysis
Oxidation-reduction
Q18: The presence of intercellular compartmentalisation is a characteristic of which organisms?
Of bacteria
Of prokaryotes
Only of algae
Of viruses
Of eukaryotes
Q19: Which intracellular structure is composed of microtubules?
The endoplasmic reticulum
The nucleolus
The Golgi apparatus
The nucleus
The centriole
Q20: Mitochondria have:
A very selective membrane in which no proteins are present
An outer membrane, an intermediate membrane, and a very selective inner membrane
An outer membrane consisting of a phospholipid monolayer
Only a very selective outer membrane
An outer membrane and a very selective inner membrane
Q21: What is an anticodon?
A part of the DNA that codes for a specific amino acid
A sequence three nucleotides transcribed from the mRNA and translated by rRNA
The sequence of three nucleotides found on the tRNA corresponding to a codon on the mRNA.
The sequence of three mRNA nucleotides corresponding to a DNA codon
A terminal triplet of rRNA that binds a specific amino acid
Q22: What are ribosomes made of?
DNA and lipids
DNA and proteins
RNA and proteins
RNA, DNA, and proteins
RNA and DNA
Q23: The cell membrane consists of:
Cholesterol and phospholipid molecules enclosing a protein layer
a double phospholipid layer with hydrophobic tails facing inward and the presence of integral and peripheral proteins
A layer of fatty acids and globular proteins containing phospholipids and cholesterol
A double layer of triglycerides and cholesterol
A glycoprotein layer containing phospholipids and cholesterol
Q24: In protein synthesis, what is translation?
It is the process of specific recognition of rRNA by amino acids.
It is the process of transcribing the mRNA sequence into a corresponding DNA molecule.
It is the process of pairing between DNA codons and tRNA anticodons.
It is the process by which mRNA is read and converted into a specific sequence of amino acids.
It is the process in which DNA is read and the corresponding mRNA produced.
Q25: What are the principal components of the cytoskeleton?
Microtubules, microfilaments, and intermediate filaments
Microtubules, myosin, and filamin
Microtubules, dynein, and myosin
Actin, myosin and dynein
Collagen fibres and reticular fibres
Q26: The term “allele” defines:
A set of coding DNA triplets for a specific amino acid
one of several alternative forms of a gene
The phenotypic manifestation of a given gene
A coding DNA base for a specific amino acid
A hereditary trait only found in haploid cells
Q27: In a heterozygous condition, an allele can certainly express itself when:
associated
multiple
dominant
recessive
mutated
Q28: What are mutations?
Alterations in enzyme functionality during zygote formation
Alteration in the energy metabolism of a cell
Alterations in the active transport system of biological membranes
Alterations in the mechanism of cell division.
Alterations in the genetic information of a cell
Q29: Translation is a process which:
leads to the synthesis of polypeptide chains from mRNA
Is exclusively eukaryotic
occurs in the nucleus of eukaryotic cells
leads to the synthesis of RNA from DNA
is very similar to transcription
Q30: If the sequence CCGTTATTGA is found on a strand of DNA helix, what sequence will be found on the complementary strand?
GGCAATTAAT
CGCACCTCCT
GGACATCCCT
AGTTATTGCC
GGCAATAACT
Q31: Replication is the process through which:
DNA is used as a template to synthesise new DNA molecules
DNA is used as a template to synthesise new RNA molecules
RNA is used as a template to synthesise proteins
RNA is used as a template to synthesise new RNA molecules
Daughter cells are formed from a mother cell
Q32: The prokaryotic operon is:
a protein complex that catalyses the process of protein synthesis
An RNA complex that is involved in the replication of DNA
A DNA sequence element without any type of regulatory function
A group of adjacent genes independent from each other
A functional unit composed of a group of adjacent genes, co-ordinately controlled, and of DNA sequences with regulatory functions.
Q33: A mixture of 0.3 mol of N2, 0.5 mol of CO2, and 0.4 mol of O2 exerts a pressure of 2.4 atm on the walls of the vessel that contains it. What is the pressure exerted by the nitrogen?
0.6 atm
0.3 atm
0.8 atm
0.75 atm
0.5 atm
Q34: A gas, confined in a rigid cylinder and maintained at a temperature of −3 °C exerts a pressure of 9 atm. What pressure would the same gas exert if it were heated to 27 °C?
9.6 atm
10 atm
−81 atm
12.5 atm
8.1 atm
Q35: Which of the following compounds forms a hydroxide when reacting with water?
BaO
Cl2O
SiO2
N2O3
SO3
Q36: Given the theoretical reaction yield of 4 FeS2 + 11 O2 → 2 Fe2O3 + 8 SO2 which of the following statements is correct
From 2 mol of FeS2 and 11 mol of O2, 1 mol of Fe2O3 can be obtained.
To obtain 1 mol of Fe2O3, 2 mol of FeS2 and 5 mol of O2 are necessary.
From 4 mol of O2 and 11 mol of FeS2, 8 mol of SO2 can be obtained.
To obtain 1 mol of Fe2O3 and 6 mol of SO2, 2 mol of FeS2 and 9 mol of O2 are necessary.
From 10 mol of O2 and 1 mol of FeS2, 3 mol of SO2 can be obtained.
Q37: How many mL of water must be added to 15 mL of a 0.25 M solution of H2SO4 to obtain a 0.05 M solution?
60 mL
30 mL
120 mL
50 mL
75 mL
Q38: How many Na+ ion moles can be found in 250 mL of a 1.2 M solution of Na2SO4?
1.2
1.8
0.4
0.3
0.6
Q39: In the reaction NH3 + BF3 ⇄ NH3BF3 the ammonia behaves as a:
Brönsted acid
Brönsted base
Arrhenius base
Lewis base
Lewis acid
Q40: Zinc nitrate, nitrogen dioxide, and water are obtained from the reaction of metallic zinc and nitric acid in an aqueous solution. What is the reducing species?
Zn2+(aq)
Zn(s)
Zn(NO3)2(aq)
HNO3(aq)
H+(aq)
Q41: Which of the following compounds contains the most hydrogen atoms?
Cyclohexane
2,3-Dimethyl-2-butene
2,3-Dimethylpentane
1,2-Dimethylcyclobutane
2-Hexanol
Q42: A carbon-oxygen double bond is NOT present in which of the following molecules?
Acetic acid
Acetone
Methyl acetate
Dimethyl ether
Acetaldehyde
Q43: Various units of measurement can be used to express the value of pressure. Which of the following values of pressure does NOT correspond to 1 atm?
1013.25 kPa
101325 Pa
1013 millibar
760 mmHg
760 torr
Q44: Given that the relative atomic mass of nitrogen is 14 u, how many nitrogen atoms are present in 0.7 g of gaseous nitrogen?
3.01×10^22
6.02×10^22
3.01×10^23
1.51×10^22
2.01×10^-23
Q45: Carbon and oxygen can react at high temperatures to form CO2. Assuming 9 g of carbon reacts with 36 g of oxygen, what is produced?
33 g of CO2 are produced.
45 g of CO2 are produced.
9 g of oxygen remain.
18 g of oxygen remain.
4 g of oxygen remain.
Q46: How much water needs to be added to 1 mL of an HCl solution with a pH of 2 to obtain a solution with a pH of 4?
24 mL
49 mL
99 mL
1 mL
2 mL
Q47: According to the Brønsted−Lowry theory:
the conjugate acid is the product of the bonding of the base with an OH− ion
the conjugate base is formed by an acid that has acquired an OH− ion
a strong acid forms a conjugate with a weak base
an acid is a substance which can provide a pair of electrons
a base is a compound which can donate OH− ions
Q48: The expression 21^31 × 512 is equivalent to:
34
2
62
62^2
2^2
Q49: If f(x) = x^3 − 3x^2 + 5, find f’(x).
3x^2 − 6x
3x^2 − 3x + 5
3x^2 − 6x + 5
x^3 − 6x + 5
3x^2 + 5
Q50: The area of a circle of radius r is equal to:
πd
πr^2
2πr
πr^3
2πr^2
Q51: If sin θ = 1/2, then θ can be:
π/6
π/8
π/4
π/3
π/2
Q52: The limit of (x^2 − 1)/(x − 1) as x → 1 is:
1
∞
0
−1
2
Q53: Which of the following integrals gives the area under the curve y = x^2 from 0 to 1?
∫_0^1 1 dx
∫_0^1 x^3 dx
∫_0^1 x^2 dx
∫_0^1 x dx
∫_0^1 2x dx
Q54: What is the derivative of sin x?
cos x
−cos x
tan x
sin x
−sin x
Q55: If a sequence a_n = 1/n, what is the limit as n → ∞?
1
−1
Does not exist
0
∞
Q56: A particle moves along a straight line with a position function s(t) = t^2. What is its velocity?
t^2
t
2t
0
1
Q57: The solution of x^2 − 4 = 0 is:
4
−2
2
0
±2
Q58: The sum of an arithmetic series with first term 2, last term 20, and 10 terms is:
200
110
120
90
100
Q59: Which is the median of the set {1, 3, 5, 7, 9}?
5
3
7
1
9
Q60: If the probability of an event is 0.25, what is the probability of the event not occurring?
0.9
0.75
0.25
0.5
0.1
Q61: Which of the following sequences is geometric?
3, 6, 10, 15
1, 2, 3, 4
5, 10, 20, 41
2, 4, 7, 11
2, 4, 8, 16
Q62: If f(x) = x^2 + 3x + 2, what is f(1)?
1
6
2
0
5
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