Staff Selection Commission Combined Graduate Level Exam
Question : The term 'gene' was coined by
Option 1: T. H. Morgan
Option 2: W. L. Johanssen
Option 3: G. Mendel
Option 4: De Vries
Correct Answer: W. L. Johanssen
Solution : The correct option is W. L. Johanssen.
Wilhelm Johannsen, a Danish botanist and scientist, coined the term "gene" in 1909. Johannsen used the phrase to define the hereditary units that transmit features from one generation to the next. His study contributed to the
Question : On 29 July 2021, the Government of India launched Vidya Pravesh, a preschool preparation programme for ______ students, preparing the children for school.
Option 1: nursery
Option 2: pre-nursery
Option 3: class first
Option 4: kindergarten
Correct Answer: class first
Solution : The correct option is class first.
The Indian government has started the Vidya Pravesh programme for preschoolers. For pupils in Class I, one such programme is Vidya Pravesh. For these kids, the programme will consist of a three-month play module that will help them
Question : Direction: In the following question, two statements are given followed by two conclusions I and II. You have to consider the two statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follow from the given statements.
Statements
I. Some students are intelligent.
II. Ankita is a student.
Conclusions
1. Some students are dull.
2. Ankita is an intelligent.
Option 1: Only 1 follows
Option 2: Both 1 and 2 follows
Option 3: Only 2 follows
Option 4: None of them follows
Correct Answer: None of them follows
Solution : Given:
Let's use a Venn diagram to evaluate each conclusion:
While it is true that some students are intelligent, it does not mean that some students
Question : Direction: If SMART is coded UKCPV, then WONDER is coded as?
Option 1: YMPPRT
Option 2: YMPBGP
Option 3: YMPBFP
Option 4: YMBPPG
Correct Answer: YMPBGP
SMART is coded UKCPV
S + 2 = U ; M – 2 = K ; A + 2 = C ; R – 2 = P ; T + 2 = V
Similarly, WONDER will be coded as:
W + 2 = Y
Question : A dealer offers a cash discount of 20% and still makes a profit of 20%. If he further sells 8 articles at a rate of 6 articles, then how much percentage above the cost price does he mark on each article?
Option 1: 77.5%
Option 2: 100%
Option 3: 112.5%
Option 4: 87.5%
Correct Answer: 100%
Solution : Let the mark price be denoted as MP, the cost price as CP and the selling price as SP. Let the marked price of each article be $100x$. SP of each article = $80x$ According to the question, He is selling 8 articles at a
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. Human migration may be traced all the way back to the (1)________ of time, and humans have been on the move ever since. Climate change, war and displacement, economic considerations, living conditions, family and clan (2)________, and, more recently, educational possibilities are all reasons for migration. Because there are several reasons for migration, migration patterns are (3)_________. Potential migrants will not only (4)_________ whether or not to migrate, but also where they will go. Individuals with (5) ________ observed and unobserved features will make diverse decisions and self-select into specific areas. Select the most appropriate option to fill in the blank number 1.
Option 1: glimpse
Option 2: ahead
Option 3: dawn
Option 4: break
Correct Answer: dawn
Solution : The third option is the correct answer.
In the context of human migration tracing back to the earliest times, dawn refers to the beginning of time, making it the most appropriate choice.
The meanings of other options are as follows:
A glimpse is a brief
Question : The students in three classes are in the ratio 4 : 6 : 9. If 12 students are increased in each class, the ratio changes to 7 : 9 : 12. Then, the total number of students in the three classes before the increase is:
Option 1: 95
Option 2: 76
Option 3: 100
Option 4: 114
Correct Answer: 76
Solution : Given: The students in the three classes are in the ratio of 4 : 6 : 9. Let the original number of students be $4x,6x,$ and $9x$. According to the question, $\frac{4x+12}{6x+12}=\frac{7}{9}$ ⇒ $42x+84=36x+108$ ⇒ $6x=24$ $\therefore x=4$ So, the required number of students $=(4x+6x+9x)=19x=19×4=76$
Question : If $x+5+\frac{1}{x+1}=6$, then the value of $(x+1)^{3}+\frac{1}{(x+1)^{3}}$ is:
Option 1: 2
Option 2: 0
Option 3: –2
Option 4: 4
Correct Answer: 2
Solution : Given: $x+5+\frac{1}{x+1}=6$ Subtracting both sides 4 $x+1+\frac{1}{x+1}=2$ Use formula, $a^3+b^3 = (a+b)^3-3ab(a+b)$ So, $(x+1)^{3}+\frac{1}{(x+1)^{3}}=2^3-3\times 2$ $= 8 – 6 = 2$ Hence, the correct answer is 2.
Question : A shopkeeper listed the marked price of a chair at a certain amount. If the shopkeeper declares a 15% discount and sells it at Rs.1,445. What is the marked price?
Option 1: Rs. 1,750
Option 2: Rs. 1,800
Option 3: Rs. 1,700
Option 4: Rs. 1,850
Correct Answer: Rs. 1,700
Solution : Selling price = Rs. 1445 Discount = 15% of marked price Now, selling price = marked price – discount ⇒ 85% of marked price = 1445 So, the marked price = $\frac{144500}{85}$ = Rs. 1,700 Hence, the correct answer is Rs. 1,700.
Question : Directions: The sequence of folding a piece of paper and how the folded paper has been cut is shown below. Choose the figure that would most closely resemble the unfolded form of the paper.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the paper is unfolded, the following figures will be obtained –
Hence, the fourth option is correct.
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