Mdcat-past-papers - DUHS Quiz

61. Read the two statements carefully and then choose the best from the options to follow. Statement I- It was raining cats and dogs. Statement II- The football match was canceled.

Statement (I) is the cause and statement (II) is its effect.
Statement (II) is the cause and statement (I) is its effect.
Both the statements (I) and (II) are independent.
Both the statements (I) and (II) are effect of independent causes.

62. P, Q, R, S and T are five people in the family, if P is the daughter of Q and Q is the son of R, R is the father of S, while T is the daughter of P, then which of the following is true:

R is the uncle of P
R is the grandfather of P
P and R are sisters
Q is the daughter of S

63. Which would be the next in series? 7C 10F 14J 19O

23Q
26N
27 X
25U

64. Although most of the lucrative jobs in Pakistan will require a college degree, many of the new jobs require knowledge other than gained in college or university. For workers in those jobs, good basic skills in reading and mathematics play an important role in getting a job & developing a career. From the information given above, what can be validly concluded that in today's economy.

Extra knowledge is an added benefit for career development
People should train their children technical work
Skills in reading , communication and mathimetics play an important role in developing a successful career
All Colleges and universities are worthless

65. After seven years of suggestion from the environmental department, the Sindh legislation has finally passed an antipollution ordinance. From a reading of the language, the legislation promises to be one of the most effective bills in the history of province. Which of the following can be deducted from the passage?

Pollution is not now a problem in the country.
To reduce pollution, the legislation must now be enforced.
The pollution will be reduced in the country.
The pollution problem will be eliminated in the province.

66. After the declaration of company election, the elected chairperson gave his message to the workers that "The responsibility of the management is to serve and not to dominate the workers. Which of the following is one basic "assumption" underlying chairperson's statement?

The management is capable of dominating the workers.
One must be decision when facing company union for the first time.
Domination over workers by the management is a virtue.
The management, preceding the company administer had been impossible

67. Scientists recently published that influenza spreads around the world more efficiently in the modern era due to commercial air travel. Flu symptoms are severe enough that the sick would likely cancel or reschedule air travel, but an infected person can travel across the globe before the first signs appear. Further, the virus easily in the enclosed and closely packed environment. Which of the following would best minimize the role air travel can play in the spread of influenza during a pandemic?

Refusing to allow children, the elderly, or others who are especially vulnerable to the travel by air during a pandemic
Requiring all air travelers to wash their hands before bounding a plane
Requiring air travelers to receive flu vaccinations far enough in advance of the trip to provide protection against the disease.
Installing air filtration systems in the planes to kill any flu virus particles flowing through the filters

68. When a body moves with uniform velocity then its:

Average velocity is zero
Instantaneous velocity is greater than average velocity
Instantaneous velocity is equal to average velocity
Instantaneous velocity is less than average velocity

69. A box of mass m = 6 kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece with mass m = 2 kg moves in the same direction with speed v₁ = 8 m/s. The velocity v₂ of the second piece is:

6 m/s
1 m/s
3 m/s
2 m/s

70. The rate of change of linear momentum of a body is equal to:

Net force
Net displacement
Net torque
Net inertia

71. What will be the value of acceleration if a body of mass 0.5 kg is acted upon by a force of 10 N?

40 m/s²
5 m/s²
30 m/s²
20 m/s²

72. What is the time rate of change of linear momentum?

Acceleration
Force
Velocity
Work

73. A helicopter is ascending with zero acceleration. The apparent force 'F' on it is:

F = 0
F = √W
F < W
F = W

74. A bullet is fired horizontally with 20 m/s. In the absence of air friction its horizontal velocity after 2 seconds will be:

10 m/s
20 m/s
60 m/s
80 m/s

75. A body is dropped from certain height and falls freely. Its velocity after 5 seconds will be:

94 m/s
9.4 m/s
0.49 m/s
4.9 m/s

76. A ball is thrown horizontally with 19.6 m/s. After 2 seconds its horizontal velocity component will be:

4.9 m/s
9.8 m/s
19.6 m/s
39.2 m/s

77. In the projectile motion, the acceleration in the horizontal direction:

Remains same
Varies with time
Is zero
Is positive

78. A javelin is thrown by Arshad Nadeem at projection angle of 45° with initial velocity of 30 m/s, the range of the javelin will be: (g = 10 m/s²)

85 m
95 m
90 m
10 m

79. A body of mass 4kg is moving in a circle of radius 2m. If the body moves round a complete circle, what is the work done by the body?

16 J
Zero
16 J
6 J

80. A fisherman lifts a fish of mass 250g from rest through a vertical height of 1.8m. The fish gains a speed of 1.1 m/s. What is the energy gained by the fish?

0.15 J
4.4 J
1.3 J
4.6 J