HSSC GROUP’D’ EXAM 23.12.2018 (Shift-I)

81. A man goes towards east 5 kms, then he takes a turn to the southwest and goes 5 kms. He again takes a turn towards northwest and goes 5 kms. With respect to the point from where he started, where is he now?

(1) East
(2) North
(3) West
(4) South

Correct Answer: (3) West

Solution:

82. With the passing of the India Independence Act,1947, India immediately became

(1) Republic State
(2) Democratic State
(3) Dominion State
(4) Secular State

Correct Answer: (3) Dominion State

Solution:(3) The Indian Independence Act 1947 was an Act of the Parliament of the United Kingdom that partitioned British India into the two new and fully sovereign dominions of India and Pakistan, with effect from 15 August, 1947. It also made provision for the division of joint property, etc. between the two new countries, including in particular the division of the armed forces

83. Which one of the following statement about cold war is wrong?

(1) It is an ideological war.
(2) USSR and America engaged in direct wars.
(3) It is a competition between the blocs of Soviet Union and USA.
(4) It motivated arms race in the world.

Correct Answer: (2) USSR and America engaged in direct wars.

Solution:(2) The Cold War was a period of geopolitical tension between the Soviet Union with its satellite states (the Eastern Bloc), and the United States with its allies (the Western Bloc) after World War II. The term "cold" is used because there was no large-scale fighting directly between the two sides, but they each supported major regional conflicts known as proxy wars.

84. To contest in the Loka Sabha Election one must attain

(1) 22 years
(2) 24 years
(3) 25 years
(4) 30 years

Correct Answer: (3) 25 years

Solution:(3) According to Article 84(b) of Indian constitution, the minimum age qualification for Lok Sabha is 25 years. Similar provision exists for a candidate to the Legislative Assemblies vide Article 173 (b) of the Constitution. Article 84 also adds that the minimum age for membership to Rajya Sabha is 30 years.

85. A set of n values x₁, x₂, .... xₙ has standard deviation σ then the standard deviation of x₁+ k, x₂ + k, .... xₙ + k will be

(1) σ
(2) σ + k
(3) σ - k
(4) kσ

Correct Answer: (1) σ

Solution:(1) If you change the values of the numbers in your data set by adding or subtracting the same number to each value, the standard deviation will remain the same.

86. _____ enzyme converts glucose into ethyl alcohol and carbon dioxide.

(1) Invertase
(2) Zymase
(3) Diastase
(4) Maltase

Correct Answer: (2) Zymase

Solution:(2) Zymase is the enzyme that is used to convert Glucose into Ethyl Alcohol. The whole process is called fermentation in which Zymase, an enzyme in the yeast, converts the pyruvic acid to ethanol and carbon dioxide using the hydrogen carrier NADH:

CH₃–CO–COOH + NADH + H⁺ → C₂H₅OH + CO₂ + NAD⁺

87. Value of tan 1° · tan 2° · tan 3° .... tan 89° is

(1) 0
(2) 1
(3) 1/2
(4) (1/√2)⁸⁹

Correct Answer: (2) 1

Solution:

88. If sin θ + cosec θ = 2 then sin²θ + cosec²θ =

(1) 1
(2) 4
(3) 2
(4) 1/2

Correct Answer: (3) 2

Solution:

(3) sinθ + cosecθ = 2
⇒ sinθ + 1/sinθ = 2
⇒ sin²θ + 1 = 2sinθ
⇒ sin²θ – 2sinθ + 1 = 0
⇒ (sinθ – 1)² = 0 ⇒ sinθ = 1
= cosecθ
∴ sin²θ + cosec²θ = 1 + 1 = 2

OR

(sinθ + cosecθ)² = sin²θ + cosec²θ + 2
⇒ 4 = sin²θ + cosec²θ + 2
⇒ sin²θ + cosec²θ = 4 – 2 = 2

89. What's that noise? What________?

(1) is happening
(2) happened
(3) had happened
(4) has happened

Correct Answer: (1) is happening

Solution:(1) What is that noise? shows present time.

Hence, present continuous should be used.

Present Perfect shows the past event having the present consequences.

90. Yesterday evening the phone _________ three times, while we were having dinner.

(1) was ringing
(2) has rung
(3) had been ringing
(4) rang

Correct Answer: (4) rang

Solution:(4) Here, past event is evident. Hence, past simple should be used.

HSSC GROUP’D’ EXAM 23.12.2018 (Shift-I)

81. A man goes towards east 5 kms, then he takes a turn to the southwest and goes 5 kms. He again takes a turn towards northwest and goes 5 kms. With respect to the point from where he started, where is he now?

82. With the passing of the India Independence Act,1947, India immediately became

83. Which one of the following statement about cold war is wrong?

84. To contest in the Loka Sabha Election one must attain

85. A set of n values x₁, x₂, .... xₙ has standard deviation σ then the standard deviation of x₁+ k, x₂ + k, .... xₙ + k will be

86. _____ enzyme converts glucose into ethyl alcohol and carbon dioxide.

87. Value of tan 1° · tan 2° · tan 3° .... tan 89° is

88. If sin θ + cosec θ = 2 then sin²θ + cosec²θ =

89. What's that noise? What________?

90. Yesterday evening the phone _________ three times, while we were having dinner.

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