Staff Selection Commission Combined Graduate Level Exam
Question : Who of the following has given the term rhizoshere :
Option 1: Garret
Option 2: Alexopolus
Option 3: Hiltner
Option 4: None of the given options
Correct Answer: Hiltner
Solution : The correct answer is Hiltner.
The term Rhizosphere was first coined by a German plant physiologist Lorenz Hiltner. It means the area of soil which is affected by the soil roots i.e area of soil surrounding the plant roots. Although it does not have any
Question : Select the most appropriate meaning of the underlined idiom in the given sentence. I bought some extra copies from the stationery shop. These may come in handy during exams.
Option 1: Be useful
Option 2: Cause trouble
Option 3: Be sold
Option 4: Bring luck
Correct Answer: Be useful
Solution : The first option is the correct answer.
Come in handy is an informal expression that indicates something is useful or convenient in a particular situation. In this context, the speaker bought extra copies with the expectation that they might be useful or helpful during
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".
I visited my (1) / grandpa and grandma's house (2) / and found their missing. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error lies in the third part of the sentence.
The word "their" is a possessive pronoun, and it suggests that something belonging to our grandpa and grandma is missing. However, it seems that we want to convey that we found our grandpa and grandma
Question : The word Manuscripts derived from which of the following languages?
Option 1: Latin
Option 2: Prakrit
Option 3: Sanskrit
Option 4: Greek
Correct Answer: Latin
Solution : The correct answer is Latin.
The word Manuscript is derived from Latin. It comes from the Latin words "manu" (meaning "by hand"), and "scriptum" (meaning "writing", or "something written"). In the context of manuscripts, it refers to documents or texts that have been written
Question : The LCM of 144, 360, and 450 is:
Option 1: 4800
Option 2: 3600
Option 3: 7200
Option 4: 2400
Correct Answer: 3600
Solution : Prime factorization of 144 = 24 × 32 Prime factorization of 360 = 23 × 32 × 5 Prime factorization of 450 = 2 × 32 × 52 LCM = 24 × 32 × 52 =
Question : If C1 and C2 are the centres of two circles and r1 and r2 are the respective radii such that the distance between the centres is equal to the sum of the radii of the two circles, find the number of common tangents.
Option 1: 4
Option 2: 2
Option 3: 1
Option 4: 3
Correct Answer: 3
Solution : Since the distance between the centres is equal to the sum of the radii of the two circles, the two circles touch each other as shown in the figure. So, there are 3 common tangents. Hence, the correct answer is 3.
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it. (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.) (6, 1, 18); (5, 4, 60); (6, 2, ?)
Option 1: 36
Option 2: 32
Option 3: 40
Option 4: 24
Correct Answer: 36
Solution : Given: (6, 1, 18); (5, 4, 60); (6, 2, ?)
Here, (6, 1, 18)→6 × 1 = 6; 6 × 3 = 18 (5, 4, 60)→5 × 4 = 20; 20 × 3 = 60 Similarly, (6, 2, ?)→6 × 2 = 12; 12 ×
Question : Direction: In the following question, select the missing number from the given responses.
Option 1: 65
Option 2: 85
Option 3: 52
Option 4: 76
Correct Answer: 65
Solution : Given:
Like, in the first column→ 82 + 32 + 12 = 74
And, in the second column→ 52 + 72 + 42 = 90
Similarly, in
Question : Directions: If 24 × 2 = 84 and 32 × 3 = 69, then 13 × 3 = ?
Option 1: 38
Option 2: 93
Option 3: 16
Option 4: 10
Correct Answer: 93
Solution : Given: 24 × 2 = 84, 32 × 3 = 69
Multiply the numbers of the L.H.S. and then reverse the resultant to get the R.H.S. of the given equation. Like, 24 × 2 = 84→24 × 2 = 48; Now, on reversing we get→84
Question : Directions: From the given alternative words, select the word that cannot be formed using the letters of the given word. ADMISSION
Option 1: MISSION
Option 2: DISMISS
Option 3: MASONS
Option 4: NOMADS
Correct Answer: DISMISS
Solution : Given: ADMISSION
Now, let's compare all the option words with the word ADMISSION – First option: MISSION; All the letters of MISSION are present in the word ADMISSION. Second option: DISMISS; In the word DISMISS, three S are present whereas in the word ADMISSION
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