HSSC GROUP ‘D’ EXAM 18.11.2018 (shift-I)

11. Copper reacts with moist carbon dioxide in the air to form green coloured

(1) Copper oxide
(2) Copper carbonate
(3) Copper chloride
(4) Copper carbide

Correct Answer: (2) Copper carbonate

Solution:(2) Copper metal when exposed to air turns green in colour due to corrosion. When copper vessel is exposed to air in rainy season, the metal reacts with gases and moisture and atmospheric gases to form a mixture of copper carbonate and copper hydroxide. This gives a green colour to the surface of copper metal. The reaction is as follows:

2Cu + H₂O + CO₂ + O₂ → Cu(OH)₂ + CuCO₃

12. Area of the circle inscribed in a square of side 1 cm is

(1) π/2 cm²
(2) π cm²
(3) π/4 cm²
(4) 2π cm²

Correct Answer: (2) π cm²

Solution:

Clearly, diameter of circle
= side of square = 1 cm.
∴ Area of circle = πr²

= π × 1/2 × 1/2 = π/4 sq. cm.

13. The Shivalik Hills are not found in the districts of

(1) Ambala
(2) Panchakula
(3) Sirsa
(4) Yamunanagar

Correct Answer: (3) Sirsa

Solution:(3) The Shivalik Hills are located in the northeast of Haryana. It is found in parts of Panchkula, Ambala and Yamunanagar districts. These hills are the source of the rivers like Saraswati, Ghaggar, Tangri and Markanda.

14. Approximately one cusec water is equal to

(1) 28.317 litre/second
(2) 28.317 litre/minute
(3) 28.317 litre/hour
(4) 28.317 litre/10 second

Correct Answer: (1) 28.317 litre/second

Solution:(1) A cusec is a measure of the rate of flow of water. It means 1
cubic foot of water flowing per second. It is same as 28316.
84659 cc water flowing per second or 28.31684659 litres of water flowing per second.

15. If 9th July was Monday, then 26th July of the same year was

(1) Wednesday
(2) Tuesday
(3) Thursday
(4) Monday

Correct Answer: (3) Thursday

Solution:(3) 9th July ⇒ Monday
Other Mondays ⇒ 16, 23 and
30
∴ 26th July ⇒ Monday + 3
= Thursday

16. ___________Is the first governor of Haryana.

(1) Shri B. N. Chakraborty
(2) Shri Dharma Vira
(3) Shri R. S. Narula
(4) Shri G. D. Tapase

Correct Answer: (2) Shri Dharma Vira

Solution:(2) Dharam Vira was the first Governor of Haryana from 1 November, 1966 to 14 September, 1967. He later served as the Governor of West Bengal (1967-69) and Karnataka (1969-1972). In terms of post-independence India, he was the senior and most distinguished civil servant, and was awarded the Padma Vibhushan award in 1999.

17. The river Yamuna flows on the __________boundary of Haryana.

(1) Eastern
(2) Northern
(3) Western
(4) Southern

Correct Answer: (1) Eastern

Solution:(1) Haryana is bordered by Himachal Pradesh to the northeast by river Yamuna along its eastern border with Uttar Pradesh, by Rajasthan to the west and south, and Ghaggar-Hakra River flows along its northern border with Punjab. The Yamuna-Ghaggar plain forming the largest part of the state.

18. The district of Ambala is dependent for irrigation on

(1) Tubewells
(2) Canal
(3) Rainfall
(4) Multi channels

Correct Answer: (1) Tubewells

Solution:(1) Haryana Kisan Aayog has divided the state, based on ecology and cropping pattern, into three agro-eco regions. Ambala comes under Region 1 in which tube wells account for more than 90% of irrigation. Wells and tubewells remain the major source of irrigation in Ambala. Canal irrigation, limited to a few small pockets in the southwestern tip of Ambala, does not have much scope for extension because of undulating topography in a large part of the district.

19. ______ battlefield is also referred as 'Land of Righteousness.'

(1) Panipath
(2) Kurukshetra
(3) Mewat
(4) Kargil

Correct Answer: (2) Kurukshetra

Solution:(2) Kurukshetra in Haryana, popularly known as the battle field of Mahabharata, is known as the Land of Righteousness. It is where the battle was fought between two diametrically opposite and contradictory forces of good and evil. Eventually, in this battle the forces of piety were rewarded. and the evils got vanquished.

20. Haryana ranks first in the production of

(1) Spices
(2) Nuts
(3) Cabbage
(4) Mushrooms

Correct Answer: (4) Mushrooms

Solution:(4) Haryana has become a leading producer of white button mushroom and ranks first in India as far as seasonal cultivation. Some of the factors contributing to this success are nearness of Delhi market, abundant availability of wheat and paddy straw, easy availability of quality spawn and comprehensive training programmes by Krishi Vigyan Kendras of CCS Haryana Agricultural University, Hisar. The white button mushroom alone contributes 2 more than 95 percent to the total production, about 78 percent is consumed fresh, and remaining is canned.