IMAT 2025 question paper

1. A.
   Using this medication always leads to yellowing of the skin.
2. B.
   Using this medication could lead to pancreatic problems.
3. C.
   Using this medication never leads to urinary tract problems.
4. D.
   Using this medication could lead to serious kidney problems.
5. E.
   Those with kidney failure may benefit from using this medication.

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1. A.
   despite shortages in the number of adequate professionals, the Apulian digital sector has recorded increased profitability over the past year.
2. B.
   the pandemic was one the factors that led to the digitalization of company processes.
3. C.
   the pandemic ensured the growth of the Apulian digital sector because companies in the sector transformed into digital companies.
4. D.
   the growth of the Apulian digital sector is due to, among other reasons, revisions in company processes.
5. E.
   the digitalization of company processes is one of the principle causes for the economic growth of the sector.

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1. A.
   Tiger
2. B.
   Lion
3. C.
   Crocodile
4. D.
   Panther
5. E.
   Boa

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1. A.
   Alzheimer’s is recognizable as a development of Creutzfeldt-Jakob Disease
2. B.
   Vincent Zigas discovered a cure for the negative effects of prions
3. C.
   Kuru, Creutzfeldt-Jakob Disease and Alzheimer’s are diseases whose diagnoses can be confused with each other
4. D.
   Creutzfeldt-Jakob Disease is widespread in New Guinea as a result of the practice of consuming the brains of deceased relatives
5. E.
   the prion is a bacterium which develops after death inside tissue proteins

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1. A.
   No number is a prime number.
2. B.
   At least one number is not a prime number.
3. C.
   At least one prime number exists.
4. D.
   No prime numbers exist.
5. E.
   All numbers are prime numbers.

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1. A.
   Today is Saturday.
2. B.
   Today is not Saturday.
3. C.
   I am a philosopher.
4. D.
   None of the other choices is correct.
5. E.
   Today is Friday.

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1. A.
   Carlo is seated across from Beatrice.
2. B.
   Daniela is seated to the left of Beatrice.
3. C.
   Daniela is seated to the right of Carlo.
4. D.
   Alberto is seated to the left of Carlo.
5. E.
   Beatrice is seated across from Alberto.

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1. A.
   The green pill is in the blue box, the red pill is in the blue box, the blue pill is in the green box.
2. B.
   The blue pill is in the green box, the green pill is in the red box, the red pill is in the blue box.
3. C.
   The red pill is in the blue box, the green pill is in the green box, the blue pill is in the red box.
4. D.
   The green pill is in the blue box, the red pill is in the green box, the blue pill is in the red box.
5. E.
   The blue pill is in the blue box, the green pill is in the green box, the red pill is in the red box.

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1. A.
   4:30 PM
2. B.
   5:00 PM
3. C.
   1:25 PM
4. D.
   3:35 PM
5. E.
   4:45 PM

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1. A.
   phosphorylated
2. B.
   dephosphorylated
3. C.
   decarboxylated
4. D.
   oxidised
5. E.
   reduced

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1. A.
   In the first part, $\text{FADH}_{2}$ is formed.
2. B.
   When a molecule of glucose is converted to pyruvate in glycolysis, $\text{CO}_{2}$ is produced.
3. C.
   Phosphofructokinase catalyses the conversion of fructose 1,6-bisphosphate to dihydroxyacetone phosphate.
4. D.
   Triose phosphate isomerase catalyses the conversion of dihydroxyacetone phosphate to 1,3-bisphosphoglycerate.
5. E.
   When a molecule of glucose is converted to pyruvate in glycolysis, 2 $\text{NAD}^{+}$ are reduced.

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1. A.
   3 NADH, 1 $\text{FADH}_{2}$, 2 GTP and 3 molecules of $\text{CO}_{2}$
2. B.
   1 NADH, 3 $\text{FADH}_{2}$, 1 GTP and 2 molecules of $\text{CO}_{2}$
3. C.
   2 NADH, 2 $\text{FADH}_{2}$, 2 GTP and 2 molecules of $\text{CO}_{2}$
4. D.
   3 NADH, 1 $\text{FADH}_{2}$, 1 GTP and 2 molecules of $\text{CO}_{2}$
5. E.
   3 NADH, 1 $\text{FADH}_{2}$, 1 GTP and 3 molecules of $\text{CO}_{2}$

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1. A.
   through which fatty acids are broken down by removing two carbon atoms at a time
2. B.
   through which the energy stored in reduced coenzymes is used for the synthesis of ATP
3. C.
   which represents the final stage of the anabolism of amino acids, carbohydrates, and fatty acids
4. D.
   through which the amino group resulting from the degradation of amino acids is eliminated
5. E.
   through which fatty acid synthesis occurs

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1. A.
   transporters of hydrogen atoms in the respiratory chain
2. B.
   enzymes that synthesize ATP
3. C.
   present in the respiratory chain
4. D.
   inhibitors of oxidative phosphorylation
5. E.
   cofactors of glycolysis

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1. A.
   intracellular
2. B.
   extracellular
3. C.
   membranous
4. D.
   nuclear
5. E.
   abundant in the thick filament

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1. A.
   tropomyosin
2. B.
   vimentin
3. C.
   myosin
4. D.
   actin
5. E.
   troponin

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1. A.
   Actin has ATPase activity.
2. B.
   The binding of ATP to the actin-myosin complex promotes the formation of the complex.
3. C.
   The binding of ATP to the actin-myosin complex promotes the dissociation of the complex.
4. D.
   The binding of calcium to troponin is necessary for the dissociation of the actin-myosin complex.
5. E.
   Tropomyosin has ATPase activity.

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1. A.
   a decrease in oxygenated haemoglobin molecules
2. B.
   an increase in oxygenated haemoglobin molecules
3. C.
   an increase in protein synthesis
4. D.
   the denaturation of haemoglobin
5. E.
   an increase in the total number of red blood cells

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1. A.
   Modulator
2. B.
   Effector
3. C.
   Cholesterol
4. D.
   Catalyst
5. E.
   Cofactor

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1. A.
   the inhibitor prevents the release of products from the active site
2. B.
   the inhibitor binds to the substrate, preventing a reaction with the enzyme
3. C.
   the inhibitor and the substrate compete for the active site of the enzyme
4. D.
   the inhibitor binds to the allosteric site and prevents the substrate from binding to the enzyme
5. E.
   the inhibitor binds to the enzyme-cholesterol complex

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1. A.
   Amylase
2. B.
   Isomerase
3. C.
   Peptidase
4. D.
   Transaminase
5. E.
   Lipase

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1. A.
   exclusively mitochondrial matrix proteins
2. B.
   exclusively peripheral proteins
3. C.
   exclusively integral membrane proteins
4. D.
   only nuclear proteins
5. E.
   both membrane proteins and mobile molecules

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1. A.
   By direct action of oxygen
2. B.
   With the synthesis of hormones
3. C.
   Through the process of beta oxidation
4. D.
   Through the respiratory chain
5. E.
   Through the passage of electrons in ATP synthase

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1. A.
   Phosphofructokinase
2. B.
   Carnitine phosphate
3. C.
   Glucose 1-phosphate
4. D.
   Creatinine phosphate
5. E.
   Creatine phosphate

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1. A.
   The Krebs Cycle
2. B.
   Transamination
3. C.
   Glycolysis
4. D.
   Urea cycle
5. E.
   β-oxidation of fatty acids

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1. A.
   more oxygen and less nitrogen
2. B.
   more calories and less water
3. C.
   more calories and more water
4. D.
   fewer calories and less water
5. E.
   fewer calories and more water

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1. A.
   responsible for the synthesis of proteins destined for secretion
2. B.
   that form by budding from the smooth endoplasmic reticulum
3. C.
   that form by budding from the Golgi apparatus
4. D.
   equipped with enzymes that function optimally at a pH above 7
5. E.
   whose malfunction is currently not believed to be associated with diseases

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1. A.
   All cellular organelles possess a small amount of DNA.
2. B.
   Only the nucleus contains DNA while mitochondria and chloroplasts contain RNA.
3. C.
   The rough endoplasmic reticulum contains the DNA necessary for protein synthesis.
4. D.
   Prokaryotes have a well-defined nucleus containing DNA.
5. E.
   The nucleus, mitochondria and chloroplasts all contain DNA.

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1. A.
   Regulating exchanges between the inside and outside of the cell
2. B.
   Synthesizing proteins
3. C.
   Providing energy to the cell
4. D.
   Containing the cell's genetic material
5. E.
   Facilitating cell movement

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1. A.
   Reactions that release energy and occur spontaneously
2. B.
   Reactions that produce chemical energy without the consumption of reactants
3. C.
   Reactions that occur only in the presence of light
4. D.
   Reactions that require heat to proceed
5. E.
   Reactions that always involve the synthesis of new compounds

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1. A.
   Transporting nutrients in the bone marrow
2. B.
   Producing collagen and minerals for the bone matrix
3. C.
   Resorbing minerals from the bone
4. D.
   Regulating blood pH
5. E.
   Breaking down damaged bone tissue

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1. A.
   is a steroid hormone
2. B.
   stimulates the breakdown of glycogen
3. C.
   is secreted by the adrenal gland
4. D.
   stimulates glucose uptake in muscle
5. E.
   inhibits fatty acid synthesis

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1. A.
   V = RT/(Pn)
2. B.
   nV = PRT
3. C.
   Pn = VRT
4. D.
   V = Pn/(RT)
5. E.
   PV = nRT

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1. A.
   HCl
2. B.
   $\text{HClO}_{2}$
3. C.
   $\text{HClO}_{3}$
4. D.
   HClO
5. E.
   $\text{Cl}_{2}$

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1. A.
   a negative number
2. B.
   a positive number
3. C.
   an irrational number
4. D.
   a number with a decimal point
5. E.
   zero

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1. A.
   Ionic
2. B.
   Metallic
3. C.
   Molecular
4. D.
   Amorphous
5. E.
   Covalent network

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1. A.
   from right to left and from top to bottom
2. B.
   from left to right and from bottom to top
3. C.
   from top to bottom but horizontally in a very irregularly way
4. D.
   from right to left and from bottom to top
5. E.
   from left to right and from top to bottom

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1. A.
   two atoms with very different electronegativity
2. B.
   two atoms of the same element
3. C.
   two atoms with no electronegativity
4. D.
   two atoms with quite similar electronegativity
5. E.
   two identical ions

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1. A.
   5.5
2. B.
   4
3. C.
   3
4. D.
   $10^{-8}$
5. E.
   8

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1. A.
   7
2. B.
   $10^{-7}$
3. C.
   $10^{-0.7}$
4. D.
   0.7
5. E.
   13.3

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1. A.
   to shift the equilibrium to the left, it is necessary to increase the concentration of $\text{Cl}_2$.
2. B.
   to shift the equilibrium to the left, it is necessary to increase the concentration of $\text{FeCl}_2$ (s).
3. C.
   to shift the equilibrium to the left, it is necessary to remove $\text{FeCl}_3$ (s).
4. D.
   to shift the equilibrium to the right, it is necessary to increase the concentration of $\text{FeCl}_3$ (s).
5. E.
   to shift the equilibrium to the right, it is necessary to cool the reaction.

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1. A.
   the difference between the energy of the products and that of the reactants
2. B.
   the energy released during the progress of a reaction
3. C.
   the energy barrier that the reactants must overcome to transform into products
4. D.
   the energy that is released only in the initial phase of any reaction in solution
5. E.
   the difference between the kinetic energy and the potential energy of the reactants

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1. A.
   all the carbon atoms are $\text{sp}^{2}$ hybridized and the molecule has a planar structure
2. B.
   all the carbon atoms are $\text{sp}^{3}$ hybridized and the molecule has a planar structure
3. C.
   all the carbon atoms are $\text{sp}^{2}$ hybridized and the molecule has a chair or boat structure
4. D.
   all the carbon atoms are sp hybridized
5. E.
   three carbon atoms are $\text{sp}^{3}$ hybridized and three atoms are $\text{sp}^{2}$ hybridized

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1. A.
   is a storage molecule present in both animal and plant cells
2. B.
   is a polypeptide
3. C.
   is a homopolysaccharide
4. D.
   is a disaccharide
5. E.
   is a heteropolysaccharide

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1. A.
   ferric carbonate
2. B.
   iron oxide
3. C.
   ferrous carbonate
4. D.
   iron pentacarbonyl
5. E.
   none of the other answers is correct

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1. A.
   Four
2. B.
   Three
3. C.
   Just one
4. D.
   Two with parallel spins
5. E.
   Two with antiparallel spins

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1. A.
   They contain an amine group and a carboxyl group
2. B.
   They dissolve well in hexane
3. C.
   They are normally poorly soluble in water
4. D.
   They have no acid/base activity
5. E.
   They are one of the main constituents of carbohydrates

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1. A.
   $\forall x > 0$
2. B.
   $\varnothing$
3. C.
   $\mathbb{R}$
4. D.
   $\forall x \ge 0$
5. E.
   $\forall x \ne 0$

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1. A.
   $2\cos^2 x + \cos x - 1 < 0$
2. B.
   $\cos^2 x - \cos x - 2 \ge 0$
3. C.
   $\tan^2 x - 2\tan x + 1 > 0$
4. D.
   $2\sin^2 x - \sin x - 1 > 0$
5. E.
   $\sin^2 x + \sin x - 2 \le 0$

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1. A.
   The set consisting of the products of corresponding numerical elements of A and B
2. B.
   The representation of the intersection set of A and B
3. C.
   The representation of the union set of A and B
4. D.
   The set of all possible ordered pairs having as the first component an element of A and as the second component an element of B
5. E.
   The representation of the difference set of A and B

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1. A.
   $a^2 + b^2$
2. B.
   $a^2 - b^2$
3. C.
   $a^2 + b^2$
4. D.
   $(a - 2b)^2$
5. E.
   $2(a + b)^2$

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1. A.
   AB = 20 m; BC = 18 m
2. B.
   AB = 12 m; BC = 10 m
3. C.
   AB = 18 m; BC = 16 m
4. D.
   AB = 10 m; BC = 8 m
5. E.
   AB = 20 m; BC = 16 m

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1. A.
   For $a \ne -3$
2. B.
   For $a \ne 0$
3. C.
   For any value of $a$
4. D.
   For no value of $a$
5. E.
   For $a \ne 3$

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1. A.
   $a = 3$
2. B.
   $a = -5$
3. C.
   $a = -3$
4. D.
   $a = 0$
5. E.
   $a = 5$

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1. A.
   A will never overtake B
2. B.
   A has overtaken B
3. C.
   A has not yet overtaken B
4. D.
   A has exactly reached B
5. E.
   A will overtake B after a much longer time than one minute

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1. A.
   100R
2. B.
   10R
3. C.
   R/10
4. D.
   R
5. E.
   R/100

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1. A.
   The electrons moving from left to right and the protons from right to left
2. B.
   Only the protons moving from right to left
3. C.
   Only the electrons moving from left to right
4. D.
   Only the electrons moving from right to left
5. E.
   Only protons moving from left to right

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1. A.
   1/4
2. B.
   1/3
3. C.
   1/16
4. D.
   1/9
5. E.
   1/6

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1. A.
   F1 = 2000 N, F2 = 6000 N
2. B.
   F1 = F2 = 2000 N
3. C.
   F1 = $30 \times 10^3$ N, F2 = 4000 N
4. D.
   F1 = 0, F2 = 6000 N
5. E.
   F1 = 0, F2 = 4000 N

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1. A.
   forces in any direction relative to the walls
2. B.
   forces always parallel to the walls at every point
3. C.
   no forces on the walls, only pressure
4. D.
   forces equal to zero
5. E.
   forces always perpendicular to the walls at every point

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