Staff Selection Commission Combined Graduate Level Exam
Question : When does a Page fault occur?
Option 1: There is an error on a specific page.
Option 2: A program accesses a page not currently in main memory.
Option 3: A program accesses a page of the main memory.
Option 4: A program accesses a page belonging to another program.
Correct Answer: A program accesses a page not currently in main memory.
Solution : The correct answer is A program accesses a page not currently in main memory.
When a program or process attempts to access a part of virtual memory that is not currently resident in physical RAM (Random
Question : On which River is the Tehri dam built?
Option 1: Alakananda
Option 2: Bhagirathi
Option 3: Ganga
Option 4: Hooghly
Correct Answer: Bhagirathi
Solution : The correct answer is Bhagirathi.
Tehri Dam, a hydroelectric project near Tehri Town, is said to be the fifth-highest in the world and is located on the Bhagirathi River. Tehri Lake, which is close to it, is claimed to be one of Asia's largest
Question : Directions: Three different positions of the same dice are shown. Find the number on the face opposite the face showing 6.
Option 1: 5
Option 2: 3
Option 3: 2
Option 4: 1
Correct Answer: 3
Solution : Taking dice positions 1 and 3 with 2 as the common face,
Moving clockwise from the common face with 2,
Pairs of opposite faces –
So, the opposite face to the face containing 6 is 3. Hence, the second option is correct.
Question : The President of India can be removed from his office by
Option 1: Prime Minister of India
Option 2: Chief Justice of India
Option 3: Parliament
Option 4: Lok Sabha
Correct Answer: Parliament
Solution : The correct answer is Parliament.
The President can be removed from office by Parliament. Article 61 of the Indian Constitution outlines the procedure for the impeachment of the President. This process can be initiated by either House of Parliament (Lok Sabha or Rajya Sabha) and
Question : Directions: In the following question, four number pairs are given. In each pair, the number on the left side of (–) is related to the number on the right side of (–) with some logic/rule/relation. Three pairs are similar based on the same logic/rule/relation. Select the odd one out from the given alternatives. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g.13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Option 1: 15 – 220
Option 2: 9 – 84
Option 3: 13 – 172
Option 4: 11 – 124
Correct Answer: 15 – 220
Solution : Let's check the options – First option: 15 – 220; (15)2 + 3 = 225 + 3 = 228 ≠ 220 Second option: 9 – 84; (9)2 + 3 = 81 + 3 = 84 Third option: 13 – 172; (13)
Question : Oxygen liberated during photosynthesis comes from:
Option 1: Carbon dioxide
Option 2: Water
Option 3: Breakdown of chlorophyll
Option 4: Atmosphere
Correct Answer: Water
Solution : The correct answer is Water.
Photosynthesis is the process by which green plants synthesise their food from Carbon dioxide and Water in the presence of sunlight. In this process, oxygen is released as a byproduct of the reaction. Hydraulic breakdown of the water molecules releases
Question : Match column A with column B.
Option 1: a-i, b-ii, c-iii, d-iv
Option 2: a-i, b-iii, c-ii, d-iv
Option 3: a-iv, b-iii, c-ii, d-i
Option 4: a-iii, b-iv, c-ii, d-i
Correct Answer: a-iv, b-iii, c-ii, d-i
Solution : The correct option is a-iv, b-iii, c-ii, d-i.
Blue-green algae, or cyanobacteria, are photosynthetic bacteria that often form slimy colonies. They play a crucial role in nitrogen fixation and oxygen production.
Red algae, scientifically known as Rhodophyta, are predominantly marine and
Question : In which Biosphere Reserve is the largest endangered marine mammal Dugong i.e., Dugong dugon and sea turtles also found?
Option 1: Khangchendzonga Biosphere Reserve
Option 2: Seshachalam Biosphere Reserve
Option 3: Pachmarhi Biosphere Reserve
Option 4: Gulf of Mannar Biosphere Reserve
Correct Answer: Gulf of Mannar Biosphere Reserve
Solution : The correct option is the Gulf of Mannar Biosphere Reserve.
The largest endangered marine mammal, Dugong (Dugong dugon), and sea turtles are found in the Gulf of Mannar Biosphere Reserve. This biosphere reserve is located in the southeastern part of India,
Question : If a person walks at 12 km/hr instead of 10 km/hr, he would have walked 1 km more in the same time. What is the actual distance (in km) travelled by him at 10 km/hr at the same time?
Option 1: 8
Option 2: 10
Option 3: 5
Option 4: 12
Correct Answer: 5
Solution : Given: If a person walks at 12 km/hr instead of 10 km/hr, he would have walked 1 km more in the same time. Then for 2 km/hr more speed, he walked 1 km more, Time taken by him = $\frac{1}{2}$ hours Therefore, the actual distance
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
Ramesh is smarter enough (1) / to get selected for this post, (2) / without any recommendations.(3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The error is in the first part of the sentence.
Explanation: The word "smarter" is the comparative form of "smart". However, when using the construction "enough", the adjective should be in its positive form. Therefore, "smart" is the correct form in this context.
So, the
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