Staff Selection Commission Combined Higher Secondary Level Exam
Question : Which German chemist used the technique of preparing hydrocarbons by electrolysis of solutions of salts of fatty acids?
Option 1: Cecilia Payne
Option 2: Marcellin Berthelot
Option 3: Giulio Natta
Option 4: Hermann Kolbe
Correct Answer: Hermann Kolbe
Solution : The correct option is Hermann Kolbe.
The German chemist who used the technique of preparing hydrocarbons by electrolysis of solutions of salts of fatty acids was Hermann Kolbe. He made significant contributions to the field of organic chemistry, and his work on electrolysis
Question : Which among the following is not a type of solar eclipse?
Option 1: Annular
Option 2: Partial
Option 3: Penumbral
Option 4: Total
Correct Answer: Penumbral
Solution : The correct option is Penumbral.
A penumbral eclipse is not a type of solar eclipse but a lunar eclipse. The three main types of solar eclipses are total, partial, and annular, which occur when the Moon comes between the Earth, and the Sun, blocking
Question : Directions: In the following question, the sentence is given with a blank that is to be filled with an appropriate word. Select the correct alternative out of the four. Sun is a____ perfect sphere of hot plasma, with an internal convective motion that generates a magnetic field.
Option 1: nearly
Option 2: near
Option 3: about
Option 4: more
Correct Answer: nearly
Solution : The correct answer is the first option because ''nearly'' is an adverb meaning ''approximate'' and in the sentence, the sun's shape is discussed which is approximately a sphere. Moreover, the adverb ''nearly'' is modifying the adjective ''perfect''. In the second option, ''near'' is a preposition
Question : Directions: In the following question, select the missing number from the given responses.
Option 1: 9
Option 2: 40
Option 3: 7
Option 4: 36
Correct Answer: 9
Solution : Here, add the sum of top and bottom numbers with the difference of left and right numbers given in the box. Figure one: (18 + 17) + (9 – 6) = 38 Figure two: (11 + 11) + (19 – 9) = 32 Figure three:
Question : Directions: In this question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3), which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (4).
He argued endlessly with him on the subject.
(1) argued on and on
(2) argued all the time
(3) argued continuously
(4) No improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct choice is the fourth option.
The sentence is in the simple past tense as it uses the adverb "endlessly" in the correct manner. The sentence is grammatically accurate and does not require improvement.
Therefore, the correct answer is: No improvement.
Question : Who is named as the Missile Man of India?
Option 1: Vikram Sarabhai
Option 2: C. V. Raman
Option 3: A.P.J. Abdul Kalam
Option 4: Homi Bhabha
Correct Answer: A.P.J. Abdul Kalam
Solution : The correct answer is A.P.J. Abdul Kalam.
Dr. A.P.J. Abdul Kalam was the former President of India. He was known as the Missile Man of India for his roles and contributions to space and missile technology. He played a vital role in
Question : Which among the following statements is incorrect?
Option 1: The Industrial Securities Market is also known as a gilt-edged market.
Option 2: The secondary market is the market for the sale and purchase of previously issued securities.
Option 3: RBI plays a dominant role in the gilt-edged market through its 'Open Market Operations'.
Option 4: The primary market is also known as the new issue market.
Correct Answer: The Industrial Securities Market is also known as a gilt-edged market.
Solution : The correct answer is The Industrial Securities Market is also known as a gilt-edged market.
High-grade investment bonds, known as gilt-edged securities, are made available to governments and big businesses as a means of raising
Question : In the following question, out of the given four alternatives, select the one that best expresses the meaning of the idiom or phrase. Apropos of nothing
Option 1: Any difficult situation or obstacle
Option 2: To be enraged
Option 3: Almost everything and anything has been included
Option 4: Having no relevance to any previous discussion or situation
Correct Answer: Having no relevance to any previous discussion or situation
Solution : The correct answer is the first option.
When someone brings up a topic apropos of nothing, it means they introduce it without any apparent connection to the ongoing conversation or context.
Therefore, the correct meaning of the
Question : Who is the governor of the Reserve Bank of India as of 2022?
Option 1: Urjit R. Patel
Option 2: D.Subbarao
Option 3: Shaktikanta Das
Option 4: Raghuram Rajan
Correct Answer: Shaktikanta Das
Solution : The correct option is Shaktikanta Das.
Shaktikanta Das is the Reserve Bank of India's 25th governor as of 2022 (RBI). On December 12, 2018, he took office. Shaktikanta Das is a retired member of the Tamil Nadu cadre of the Indian Administrative Service (IAS),
Question : Directions: In the following number pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as the numbers of the following sets. (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.) (45, 80) (37, 64)
Option 1: (41, 73)
Option 2: (52, 114)
Option 3: (65, 120)
Option 4: (39, 69)
Correct Answer: (65, 120)
Solution : Given: (45, 80); (37, 64)
Here, the pattern followed is as follows – ⇒ (45, 80)→(45 × 2) – 10 = 90 – 10 = 80 ⇒ (37, 64)→(37 × 2) – 10 = 74 – 10 = 64
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