Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: In the following question, select the related number from the given alternatives. 235 : 587 :: 435 : ?
Option 1: 788
Option 2: 989
Option 3: 789
Option 4: 988
Correct Answer: 789
Solution : Given: 235 : 587 :: 435 : ?
Here, add the first and second digits, the second and third digits, and the first and third digits of the first number to get the second number. Like, 235 : 587→2 + 3 = 5; 3 +
Question : Which element of group 13 has the atomic number 113, and its electronic configuration is [Rn] 5f14 6d107s2 7p1?
Option 1: Gallium
Option 2: Indium
Option 3: Nihonium
Option 4: Thallium
Correct Answer: Nihonium
Solution : The correct answer is Nihonium.
The shell structure of Nihonium atoms is 2.8.18.32.32.18.3, and they contain 113 electrons. Neutral Nihonium has the electrical configuration [Rn] in its ground state.
Nihonium's term symbol is 2P1/2, and its electronic structure is estimated to be [Rn] 5f14
Question : _________ is the cell organelle in which the biochemical processes of respiration and energy production occur.
Option 1: Mitochondria
Option 2: Chloroplast
Option 3: Ribosomes
Option 4: Nucleus
Correct Answer: Mitochondria
Solution : The correct option is Mitochondria.
Aerobic respiration takes place in the Mitochondria. These mechanisms are critical for the creation of energy required by living organisms for various cellular activities. Within mitochondria, the process of aerobic respiration takes place. It includes the breakdown of glucose
Question : Which of the following is not an economic problem?
Option 1: Deciding between paid work and leisure.
Option 2: Deciding between expenditure on one good and the other.
Option 3: Deciding between alternative methods of personal saving.
Option 4: Deciding between different ways of spending leisure time.
Correct Answer: Deciding between different ways of spending leisure time.
Solution : The correct option is Deciding between different ways of spending leisure time.
The lack of resources and the need to divide them among a variety of competing applications are considered an economic dilemma. What to produce, how to
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
His only (1)_____ was that he had no rifle. While running away from the village below, he had forgotten the rifle in a hurry. An unpardonable (2)_____, but it was now too late to make amends for it. (3)_____ he had the rifle, his pursuers would not have dared follow him with such brazen confidence. He would have hidden behind a rock and waited for them. As they came within his rifle's range, he would have picked them off one by one. But now he could do (4)_____ about it. He was unarmed. But come what may, he must (5)_____ of their rifle's range.
Question
Select the most appropriate option to fill in the blank number 5.
Option 1: keep from
Option 2: keep within
Option 3: keep out
Option 4: keep of
Correct Answer: keep out
Solution : The correct choice is the third option.
Keep out means to prevent something or someone from entering or gaining access to an area or space, or in this case, to remain outside of the range of the rifle.
The meanings of the other
Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 9 : 30 :: 11 : 36 :: 13 : ?
Option 1: 42
Option 2: 45
Option 3: 48
Option 4: 39
Correct Answer: 42
Solution : Given: 9 : 30 :: 11 : 36 :: 13 : ?
Like, 9 : 30→(9 × 3) + 3 = 27 + 3 = 30 And, 11 : 36→(11 × 3) + 3 = 33 + 3 = 36 Similarly, follow the same pattern
Question : Which of the following pairs is not matched correctly?
Option 1: Bharatanatyam - Tamil Nadu
Option 2: Kathakali - Karnataka
Option 3: Odissi - Odisha
Option 4: Kuchipudi - Andhra Pradesh
Correct Answer: Kathakali - Karnataka
Solution : The correct option is Kathakali - Karnataka
Kathakali-Karnataka is not a correct match. Kerala, not Karnataka, is where the well-known Indian dance-drama genre Kathakali first originated. It is part of Kerala's rich cultural tradition and is distinguished by highly stylised dance performances, extravagant
Question : Of which tissue nails, hoofs and horns are made of:
Option 1: Cutide
Option 2: Chitin
Option 3: Kertain
Option 4: Tunicin
Correct Answer: Kertain
Solution : The correct option is Keratin.
Keratin, a type of protein, serves as the main component of hooves, horns, and nails. The outer layer of human skin, hair, and the feathers, scales, and beaks of other animals are all made of keratin, a hard, fibrous protein.
Question : If the water smells bad, then that odour can be removed by adding:
Option 1: alum
Option 2: bleach
Option 3: activated carbon
Option 4: deactivated nitrogen
Correct Answer: activated carbon
Solution : The correct option is activated carbon.
If the water smells bad, adding a few drops of lemon juice or activated charcoal can help neutralise the odour. Additionally, proper ventilation and regular cleaning of water sources can address the issue.
In many different applications,
Question : 1 terabytes per second = ______ bytes per second.
Option 1: 240
Option 2: 210
Option 3: 220
Option 4: 230
Correct Answer: 240
Solution : The correct option is 240.
1 Terabyte per second is equivalent to 240 bytes per second. This conversion is based on the fact that 1 Terabyte is equal to 240 bytes. It reflects the vast data transfer capability represented by
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