Mdcat-past-papers - ETEA Quiz

61. A pressure cooker reduces cooking time because:

A large heat is used
Heat is more evenly distributed
The higher pressure softens food inside
the boiling point of water rises inside

62. Which of the following compound has highest boiling point?

Water
Cyclopentane
Cycloheptane
Cyclobutane

63. Amount of heat absorbed, when one mole of liquid changes to gas at its boiling point is called:

Molar heat of sublimation
Latent heat of fusion
Heat of vaporization
Heat capacity

64. Molar heat of vaporization of water is:

40.7 cal / mol
40.7 kcal / mol
40.7 J / mol
40.7 kJ / mol

65. Distillation under very reduced pressure is is --distillation.

Destructive
Fractional
Steam
Vacuum

66. In crystalline structure, when length of all axes and angels are unequal then crystal will be:

Cubic
Monoclinic
Orthorhombic
triclinic

67. When an element occurs in different physical forms it is called:

Anisotropy
Isomerism
Polymorphism
Allotropy

68. The example of metallic solid is:

B
Cu
C
S

69. When a crystalline substance conducts current in one direction but not through other directions of the crystal, this property is called:

Allotropy
Isomorphism
Anisotropy
Polymorphism

70. Mirror Reflection: Read the following and choose the correct answer: A man enters a room and finds a mirror. He looks at his shirt in the mirror and finds the following: ≤WOIHA≥. Another man enters the room and observes this man's shirt directly. Which of the following does he observe?

≥WOIHAS≤
≤AHIOW≥
≤WOIHA≥
≥AHIOWS≤

71. Pakistan's Wildlife and Culture: Read the passage and the following statements below. Then choose the correct option, basing your answer only on the information provided. Pakistan is rich in wildlife and culture. It is home to many sorts of wildlife, from the ibex to the Indus River Dolphin; and people from most countries in the world have made their home here. Statements: I. Pakistan is a rich country. II. People from all nationalities of the world live in Pakistan. III. Pakistan is home to at least one dolphin species.

Only III is correct.
Only I and II are correct.
Only I and III are correct.
Only II and III are correct

72. Logical Reasoning: A ball is a sphere. All spheres are round. Some round things are mesmerizing. Which of the following conclusions is Necessarily True? Conclusions: I. All balls are mesmerizing. II. All round things are spheres. III. Some mesmerizing things are spheres.

III
I and II
II and III
I and III

73. Cause and Effect: I. There is a sharp decline in the production of oil seeds this year. II. The Government has decided to increase the import quantum of edible oil.

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 causes.
Both the statements I and II are effects of independent causes.

74. Read the following and choose the correct answer: "X, Y and Z are three whole numbers less than 24 but greater than 11. X is the smallest prime number. Y is the largest number divisible by 3. Z is the smallest number divisible by 11"

X is 13, Y is 24, Z is 11
X is 13, Y is 21, Z is 22
X is 11, Y is 21, Z is 11
X is 11, Y is 24, Z is 22

75. All hammers are tools. Some tools are useless things. All useless things are trash. Which of the following conclusions is Necessarily True given only the information above? Conclusions: I. Some hammers are trash. II. Some tools are trash. III. All useless things are tools.

I and III
I and II
II and III
II

76. Find out the missing term in the sequence: 15, 14, 12, 9?

5
6
7
8

77. All omnivores are herbivores. No herbivores are carnivores. Some carnivores are human. Which of the following conclusions are TRUE? Conclusions: I. Some humans are carnivores. II. No carnivores are omnivores. III. Some omnivores are carnivores.

I and II
I and III
II and III
III

78. Read the following statements and identify the best cause and effect relation: I. Sara's productivity at work has significantly decreased over the past month. II. Sara has been experiencing frequent interruptions due to ongoing construction work near her office.

Sara's decreased productivity is causing construction work.
The ongoing construction work is causing Sara's decreased productivity.
Sara's productivity was already decreasing before the construction work began.
The construction work is unrelated to Sara's productivity.

79. A store offers a 10% discount on all items. After applying the discount, the price of an item is Rs. 450, What was the original price of the item?

Rs 490
495
500
505

80. I went 10m to the East from my house, then turned north and walked another 15m and then I turned west and covered 12m, then turned south and covered 15m. How far am I from my house?

0m
1m
2m
3m