KMU-CAT (Test 2)_2025

Question number 1

Which of the following correctly describes the stages of HIV infection? •

Question number 2

What is not directly controlled by the nervous system?

Question number 3

Viruses are unique because they contain either DNA or RNA but never both. Which statement is true? •

Question number 4

A farmer uses sperm from a black male sheep to artificially inseminate (fertilise) 20 light brown female sheep. All of the offspring produced were black. Which statement explains these results? •

Question number 5

A patient has her gall bladder surgically removed. How will this affect the functioning of her body? •

Question number 6

Which of the following is an advantage of mRNA vaccines compared to traditional vaccines?

Question number 7

Which statement about dominant and recessive alleles is not correct? •

Question number 8

Which sign of syphilis may appear many years after infection, if treatment is not given?

Question number 9

What is a result of natural selection? •

Question number 10

Which process does not depend on respiration? •

Question number 11

Which fact about proteins makes them essential components of the human diet:

Question number 12

Which combination of mineral and vitamin is required for strong bones?

Question number 13

Chemicals in tobacco smoke lead to the breakdown of the elastic tissue in the walls of the alveoli. What is the name of this condition?

Question number 14

Which part of the brain controls body temperature?

Question number 15

Which structure in the brain registers changes in the blood concentration?

Question number 16

What are the responses to decreased body temperature?

Question number 17

Which blood vessel contains a high oxygen concentration, low carbon dioxide concentration and a high pressure?

Question number 18

In ventricular contraction of the right ventricle, which of the following valves is closed? •

Question number 19

Which blood vessel will have the highest urea concentration after a protein-rich meal?

Question number 20

When the water concentration in blood falls, there is less water concentration in urine which makes the water concentration in blood rise, leading to more water concentration in urine. Why is this a negative feedback system?

Question number 21

In a kidney dialysis machine, which substance cannot diffuse through the dialysis membrane? •

Question number 22

What is the role of motor neurons in reflex action?

Question number 23

A non-competitive inhibitor decreases the rate of an enzyme-catalyzed reaction by: •

Question number 24

The backbone of a DNA molecule is composed of:

Question number 25

Before entering the Krebs cycle, fatty acids are converted into:

Question number 26

According to Darwin evolution occurs as a result of?

Question number 27

The human skull is composed of multiple bones joined by immovable joints called sutures. Which of the following bones primarily contributes to both the cranial floor and the lateral walls of the cranium?

Question number 28

In the human vertebral column, which region has vertebrae with facets that articulate with ribs?

Question number 29

If a nerve impulse is stimulated to contract the bicep muscle, what will be the effect?

Question number 30

A female carrier of hemophilia marries a normal male. What is the probability that a son will be hemophilic?

Question number 31

Why are females less frequently affected by hemophilia?

Question number 32

Which process is used to produce insulin commercially? •

Question number 33

Which of the following diseases is caused by a DNA virus?

Question number 34

The causative agent of AIDS is a virus that primarily infects:

Question number 35

Which of the following is an example of naturally acquired active immunity? •

Question number 36

Which type of immune cell is primarily responsible for antibody formation? •

Question number 37

Where does the placenta allow exchange of materials to take place between mother and fetus? •

Question number 38

Compared with the few days before ovulation, which hormone is released in increased quantities three days after ovulation? •

Question number 39

What happens when the triceps muscle of the forelimb begins to contract?

Question number 40

Which of the following will not affect the equilibrium position of a reversible chemical reaction?

Question number 41

Which bone forms a socket joint at one end and a hinge joint at the other? •

Question number 42

In a group of 50 players, 30% play hockey, 80% play cricket. Are there any who play both hockey and cricket?

Question number 43

Complete the series: D1F, G2I, J3L ....

Question number 44

Which of the following is different from the rest?

Question number 45

If Azra is older than Munir, and Munir is younger than Javaid, then Azra is: •

Question number 46

A tribe consisted of a man, his five wives, his seven daughters, his six sons and their wives. Each son has two children. How many members were there in the whole tribe?

Question number 47

What is the term for a word or phrase that has a similar sound to the word it describes, such as "buzz" for bees?

Question number 48

Which sentence contains a subject-verb agreement error? •

Question number 49

Identify the device used in "the wind whispered through the trees":

Question number 50

Identify the part of speech of "quickly" in the sentence "She finished the exam quickly."

Question number 51

How much water a pump of 2kW can raise in one minute to a height of 10 meters, (g=10 m/s²)?

Question number 52

Heat cannot by itself flow from a colder to a hotter body. This statement is a consequence of:

Question number 53

Conventional current (I) is due to the: •

Question number 54

Three resistors of resistance 2, 3, and 6 ohms are connected in parallel, their equivalent resistance is:

Question number 55

When the magnetic flux changes through a loop on a coil, an induced emf is produced in it. This is called:

Question number 56

Which of the following works when it is in forward biased?

Question number 57

Einstein explained photoelectric effect on the basis of:

Question number 58

An uncharged conductor "A" connected with another charged conductor "B" then? •

Question number 59

If a particle covers half the circle of radius R with constant speed, then:

Question number 60

The acceleration of free fall on the moon is 1.6 \, \text{m/s}^2 . The acceleration of free fall on the earth is 10 \, \text{m/s}^2 . A rock has a mass of 10 kg on the earth. Which statement about the rock is correct?

Question number 61

The path traced by beta particles in air is:

Question number 62

The current produced due to induced emf (directly and dominantly) depends upon:

Question number 63

The principle of conservation of linear momentum is a consequence of which Law of Motion, provided no external forces act on the system? •

Question number 64

We can hear sound around the corner but cannot see around the corner because of: •

Question number 65

To obtain greater dispersion by a diffraction grating:

Question number 66

When a block of wood of mass 2 kg is pushed along the horizontal flat surface of a bench, the frictional force is 4 N. When the block is pushed along the bench with a constant force of 10 N, it moves with a constant: •

Question number 67

The unit of the electric field strength is:

Question number 68

Which of the following rows shows part of the electromagnetic wave spectrum in order of increasing frequency? •

Question number 69

How can one volt also be expressed as: •

Question number 70

The half-life of a radioactive isotope is 2.5 minutes. Between time t=0 and t=7.5 minutes, the mass decreases by 70 µg. What is the mass at t=0?

Question number 71

Calorimeter is an apparatus used for measurement of:

Question number 72

When 0.5 mol/dm³ hydrochloric acid is added gradually to 20 cm³ of 2 mol/dm³ sodium hydroxide, what is the total volume (in cm³) of acid to neutralize?

Question number 73

Which substance conducts electricity by the movement of ions?

Question number 74

Which molecules contain one or more double covalent bonds?

Question number 75

A lump of element X can be cut by a knife. During its reaction with water, X floats and melts. What is X?

Question number 76

Hydrides are compounds of an element and hydrogen only. Which statement is not correct?

Question number 77

Which of the following is obtained by condensation polymerization?

Question number 78

Which experiment will result in a white precipitate?

Question number 79

What happens when zinc foil is placed in aqueous copper(II) sulfate?

Question number 80

Which statement about alkanes is correct? •

Question number 81

The volume occupied by 1.4 g of N₂ at S.T.P is: •

Question number 82

When an electron jumps into orbit n=1, the series obtained is:

Question number 83

The quantum number which determines the shape of an orbital is: •

Question number 84

A 4s orbital has:

Question number 85

What happens to Ionization Potential (IP) value if the shielding effect is greater?

Question number 86

Which of the following has the greatest covalent character? •

Question number 87

Which has the minimum bond angle?

Question number 88

Spontaneous reaction is one:

Question number 89

Which property of a liquid ester can be used to check its purity before use as a food flavoring?

Question number 90

The atomic radius increases as we move down a group because: •

Question number 91

Alkali metals are generally extracted by:

Question number 92

A limiting reactant is the one which:

Question number 93

Phenol is commercially used for preparation of:

Question number 94

Which statement is true for physical properties of d-block elements? •

Question number 95

Which blood vessels, linked directly to the heart, transport deoxygenated blood?

Question number 96

Which human feature shows a discontinuous variation?

Question number 97

A child is frightened by a loud noise, and shouts for help. In which order are the different types of neurons involved in this response?

Question number 98

Which part of the central nervous system controls the body's water balance?

Question number 99

5. Select the correct spelling:

Question number 100

Which human feature shows a discontinuous variation?

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