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TB - Giornata Extra IMAT 2020
Simulazione 30 domande
 
Logo_Testbusters_senza-sfondo (3) (1)

Nickname:
SEZIONE DI LOGICA

1. In a prize weight-lifting competition the winner receives $100 if he lifts 80kg. He then receives $10 for the next 5 additional kg, $15 for the second, and the incremental prize money increases by a further $5 for each additional unit of 5kg he successfully lifts. The winner of the competition lifts 110kg. How much prize money does he receive?
A. $130
B. $160
C. $235
D. $240
E. $310
Non rispondo
2. Many modern zoos have abandoned the idea of showing large numbers of animals, in favour of programmes of conservation illustrated by a few examples of endangered species. However, the only way for a zoo to attract the public is to have lots of interesting animals, whether endangered or not - the sort that everybody flocks to see. Unless zoos attract the public, they are not likely to be profitable. Which of the following best expresses the main conclusion of the above argument?
A. Endangered animals do not attract the public.
B. Zoos which have lots of interesting animals make a profit.
C. Public interest in conservation programmes and endangered species is very limited.
D. Zoos which concentrate on conservation and a few endangered species are unlikely to make a profit.
E. Popular zoos are the only ones that can afford programmes of conservation.
Non rispondo
 
3. A woman has to get up for work at seven o'clock in the morning. She wakes up and looks over at her digital clock. Unfortunately, the batteries are low and the figures on the display, showing hours and minutes, aren't showing up properly. All she can see is the display abow: it is light outside, so she cannot be more than twelve hours late. What is the greatest amount of time that she could be late waking up?
A. 1h 39min
B. 1h 59min
C. 2h 25min
D. 2h 35min
E. 2h 59min
Non rispondo
4. Becoming a London taxi driver isn’t as easy as you may think. Unlike other London folk who choose to take the tube or bus, taxi drivers have to spend hours learning the city’s road network, for a face-to-face exam at the Public Carriage Office, to get a license to start their careers. Recent brain scans on a group of taxi drivers revealed that areas of their brains associated with memory were more developed than would be normal for the general population. So all that learning not only brings them an income, but also increases their memory power. Which one of the following is an underlying assumption made in the above argument?
A. People who have a poor memory do not become taxi drivers.
B. Many people believe that it is easy to become a taxi driver.
C. Brain scans on the same group before they became taxi drivers would not have shown the same results.
D. People usually become taxi drivers in order to make money rather than to improve their memory.
E. Taxi drivers in london don't have a real good memory unless they attended high school.
Non rispondo
5. Increase in blood pressure associated with ageing is endemic in developed countries but is rarely seen in underdeveloped countries where people tend to maintain high levels of physical activity throughout their lives. At the other end of the age-range, obesity and diabetes are more common among young people in developed countries, where largely sedentary lifestyles give limited opportunity for exercise. Which one of the following can be drawn as a conclusion from the passage above?
A. Further gains in longevity in developed countries will not be achievable without a change in lifestyle.
B. People who do not get sufficient exercise will suffer from obesity and diabetes.
C. People gain no benefit from physical activity unless it continues into old age.
D. Lifelong exercise is associated with maintaining good health.
E. Young people are more affected by lack of exercise than old people.
Non rispondo
 
6. The cut out above was folded together to make a cube. Which of the following cubes was formed from this cut-out?
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Non rispondo
SEZIONE DI CULTURA GENERALE

7. In which time period did the Spanish flu spread around the world?
A. 1346
B. End of the eighteenth century - beginning of the nineteenth century
C. 1855-1857
D. 1918-1919
E. 1940-41
Non rispondo
8. Which of the following countries is NOT part of the NATO?
A. United states
B. Sweden
C. Turkey
D. Hungary
E. Canada
Non rispondo
9. Which one of the following composed “The Magic Flute”?
A. Giuseppe Verdi
B. Gioachino Rossini
C. Wolfgang Amadeus Mozart
D. Richard Wagner
E. Georges Bizet
Non rispondo
10. In which day is the “World Health Day” celebrated?
A. 27th January
B. 7th April
C. 6th May
D. 15th August
E. 4th October
Non rispondo
11. Which one of the following writers is the author of the book “ A briefer history of time”?
A. Carlo Rovelli
B. Richard Fenyman
C. Margherita Hack
D. Stephen Hawking
E. Eugene Wigner
Non rispondo
SEZIONE DI BIOLOGIA

12. An actively dividing bacterial culture is grown in a medium containing radioactive adenine (A*). After all the adenine is labeled, the bacteria are transferred to a medium containing nonradioactive adenine (A). Following one round of DNA replication in the nonradioactive medium, the DNA is analyzed. Which of the following sequences could represent this DNA?
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Non rispondo
13. Which of the following processes CANNOT happen without ATP?
A. Osmosis
B. Krebs’ Cycle
C. The light dependent stage of photosynthesis
D. Amoeboid movement
E. The passage of steroid hormones through the cell membrane
Non rispondo
14. This is a pedigree of dwarfism. Individuals affected by dwarfism are shown by blackened symbols. Which of these statements are true?
1. The inherited trait is recessive;
2. A has an homozygous recessive genotype;
3. B has an homozygous dominant genotype.
A. 1 and 2 only
B. 2 and 3 only
C. 2 only
D. All
E. 1 and 3 only
Non rispondo
15. Which of the following enzymes doesn’t play a role in DNA replication?
A. Helicase
B. Reverse transcriptase
C. DNA-polymerase
D. Ligase
E. Primase
Non rispondo
16. Which of the following statement/s about nephrons is/are NOT correct?
1. Glucose is reabsorbed almost entirely in the proximal convoluted tubule
2. The descending limb of the loop of Henle is permeable to water, while the ascending limb is not
3. The antidiuretic hormone (ADH) exert its effect mostly on the proximal convoluted tubule
A. 1 only
B. 1 and 2
C. 2 only
D. 2 and 3
E. 3 only
Non rispondo
17. Which of the following options is correct about adipose tissue?
1. It is composed by adipocytes
2. It produces hormones such as leptin
3. Adipose tissue can be white adipose tissue or brown adipose tissue.
A. 1 and 2 only
B. 1 and 3 only
C. 3 only
D. 1, 2 and 3
E. 1 only
Non rispondo
18. Which of the following cells of the immune system is the first to intervene in a bacterial infection?
A. Neutrophil granulocytes
B. Eosinophil granulocytes
C. B lymphocytes
D. Plasma cells
E. Dendritic cells
Non rispondo
19. Considering a diploid cell at the end of G1 phase: “2c” is its quantity of DNA while “2n” is the number of its chromosomes, it is correct to say that:
A. At the end of meiosis I the cell contains 2n and 2c
B. At the end of meiosis I the cell contains n and c
C. At the end of mitosis the cell contains 2n and 2c
D. At the end of meiosis II the cell contains 2n and 2c
E. At the end of meiosis II the cell contains n and 2c
Non rispondo
20. Which of the following chemical bonds can be found in a mature mRNA molecule?
1. Peptide bonds
2. Phosphodiester bonds
3. Hydrogen bonds
4. N-Glycosidic bonds
A. 1 and 3
B. 2 only
C. 2, 3 and 4
D. 3 and 4
E. 2 and 4
Non rispondo
SEZIONE DI CHIMICA
 
21. Element X forms an ion X2- with the electronic configuration of neon. Which element is it?
A. Sulfur
B. Helium
C. Oxygen
D. Carbon
E. Nitrogen
Non rispondo
22. Element X is in the third period and in the second group of the Periodic Table. An atom of element Y has four more protons than element X. Consider the following statements and decide which of them are correct.
1. Element Y is oxygen
2. Element Y is a nonmetal
3. If binded together, element X and Y would form a compound with formula X2Y
4. Element X has smaller radius than element Y
5. The ionization energy of element Y is higher than the one of element X
A. 2 and 3 only
B. 1, 3 and 4 only
C. 2, 3 and 5 only
D. 2 and 5 only
E. 3 and 5 only
Non rispondo
23. For the equation 2 HNO3 + 3 H2S → 2 NO + 3 S + 4 H2O Which of the following statements is/are correct?
1. S is reduced
2. O is oxidized
3. N is reduced
4. S does not variate its oxidation number
A. 1 and 2 only
B. 3 only
C. 2 only
D. 3 and 4 only
E. 2 and 3 only
Non rispondo
24. Which of the following reactions has in the products a water molecule?
1. synthesis of ester
2. synthesis of proteins
3. synthesis of anhydrides
4. oxidation of alcohol
5. combustion of heptane
A. 1, 2 and 4 only
B. None of the above
C. 2, 3 and 5 only
D. 1 and 5 only
E. 1, 2, 3, and 5 only
Non rispondo
25. Which of the following statements is true?
A. HCl is stronger than HClO4
B. HBr is stronger than HI
C. HNO3 is a weak acid
D. H2SO3 is weaker than H2SO4
E. NH3 is a strong base
Non rispondo
26. Balance the following chemical equation and choose the right option.
aCu3(PO4)2 + bNa2SO4 → cNa3PO4 + dCuSO4
A. a = 1; b = 4; c = 2; d = 1
B. a = 2; b = 4; c = 2; d = 2
C. a = 3; b = 1; c = 2; d = 1
D. a = 1; b = 3; c = 2; d = 3
E. a = 3; b = 2; c = 2; d = 3
Non rispondo
SEZIONE DI MATEMATICA E FISICA
 
27. A commercial boat travels by a speed of 10 m/s calculated from the power excercised by the engine. The river flows with an angle of 45° in opposite direction to the movement of the boat with a speed of 1 m/s. What is the speed of the boat compared to the shore?
A. 9 m/s
B. 9 m/s
C. 8,7 m/s
D. 9 km/h
E. 9,3 m/s
Non rispondo
 
28. A right-angled triangle is shown. Calculate the area of the triangle.
A. 9 - √6
B. 9 - √3
C. √(52 + 4√6)
D. 9 + √6
E. 15 + 5√6
Non rispondo
29. The diagram shows a crane that lifts a load with a mass of 100 kg at a constant speed of 0.4 m/s for 5 seconds. (g = 10 N/kg) Here are 3 statements about this activity:
1. The gain in gravitational potential energy of the load is 2000 J.
2. The tension on the cable at point P is 2000 N.
3. The load accelerates of 10 m/s2.
Which statements is/are true?
A. 1 only
B. 2 only
C. 3 only
D. 1 and 2
E. 1 and 3
Non rispondo
30. Simplify: 3x*(3x-1/3)3
A. 1/9
B. 1
C. 81
D. x2/9
E. x2
Non rispondo
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