Staff Selection Commission Combined Graduate Level Exam
Question : Xenobiotics which are inherently resistant to microbial attack are called as:
Option 1: Biodegradable
Option 2: Persistent
Option 3: All of the given options
Option 4: Recalcitrant
Correct Answer: Recalcitrant
Solution : The correct answer is Recalcitrant.
Xenobiotics are chemical substance which are not originally supposed to be the part of an animal life. For example- Persistent organic pollutants, DDT, malathion, caffeine etc. Xenobiotics whch are resistant to microbial action are known as Recalcitrant. They are also
Question : The number of sport bicycles sold by a shopkeeper in five years is shown in the following bar graph. What is the percentage of decrease in the sale of sport bicycles in the year 2021 over that in the previous year?
Option 1: 27.0%
Option 2: 26.5%
Option 3: 26.0%
Option 4: 27.5%
Correct Answer: 27.5%
Solution : The number of sport bicycles sold in 2020 = 200 The number of sport bicycles sold in 2021 = 145 Decrease in sales = (200 – 145) = 55 $\therefore$ The percentage of decrease = $\frac{55×100}{200}$ = 27.5% Hence, the correct answer is 27.5%.
Question : Who among the following Indian music directors won the best original score at the Amsterdam International Film Festival in 2022?
Option 1: A. R. Rahman
Option 2: Santhosh Narayanan
Option 3: Harris Jayaraj
Option 4: Ilaiyaraaja
Correct Answer: Ilaiyaraaja
Solution : The correct option is Ilaiyaraaja.
Ilaiyaraaja won the Best Original Score at the Amsterdam International Film Festival in 2022. He bagged the award for his compositions in the Indo-English film "A Beautiful Breakup," marking his 1422nd film score and solidifying his musical legacy.
Question : Directions: Three of the following four-letter clusters are alike in a certain way and one is different. Pick the odd one out.
Option 1: CAX
Option 2: AYZ
Option 3: FDU
Option 4: HDS
Correct Answer: HDS
Solution : Let's check the options – First option: CAX; C – 2 = A; C and X are the opposites of each other. Second option: AYZ; A – 2 = Y; A and Z are the opposites of each other. Third option: FDU; F – 2
Question : Directions: After arranging the given words according to dictionary order, which word will come in third position? 1. Theory 2. Theorem 3. Theology 4. Theologue 5. Theogonic
Option 1: Theologue
Option 2: Theorem
Option 3: Theology
Option 4: Theogonic
Correct Answer: Theology
Solution : Given: 1. Theory 2. Theorem 3. Theology 4. Theologue 5. Theogonic
Step 1: Compare the first letter of all the words. Since all the words start with the same letter T, move on to the next letter. Step 2: The second, third, and fourth
Question : Direction: Study the bar graph given below, which shows the percent distribution of total expenditures of a company under various expenses, and answer the question. The ratio of the total expenditure on infrastructure and transport to the total expenditure on taxes and interest on loans is:
Option 1: 5 : 4
Option 2: 8 : 7
Option 3: 9 : 7
Option 4: 13 : 11
Correct Answer: 13 : 11
Solution : Total expenditure on infrastructure and transport = 20 + 12.5 = 32.5 Total expenditure on taxes and interest = 10 + 17.5 = 27.5 The ratio of the total expenditure on infrastructure and transport to the total expenditure on taxes and interest on
Question : What is the value of $\sin 30^{\circ}+\cos 30^{\circ}+\tan 30^{\circ}$?
Option 1: $\frac{5+\sqrt{3}}{2 \sqrt{3}}$
Option 2: $\frac{5-\sqrt{3}}{2 \sqrt{3}}$
Option 3: $\frac{5+\sqrt{3}}{\sqrt{3}}$
Option 4: $\frac{5-\sqrt{3}}{\sqrt{3}}$
Correct Answer: $\frac{5+\sqrt{3}}{2 \sqrt{3}}$
Solution : Given: $\sin 30^{\circ}+\cos 30^{\circ}+\tan 30^{\circ}$ Putting the values, we get: $=\frac{1}{2}+\frac{\sqrt3}{2}+\frac{1}{\sqrt3}$ $=\frac{\sqrt3+3+2}{2\sqrt3}$ $=\frac{5+\sqrt3}{2\sqrt3}$ Hence, the correct answer is $\frac{5+\sqrt3}{2\sqrt3}$.
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
He worked ________ of his ability.
Option 1: at the best
Option 2: with the best
Option 3: in the best
Option 4: to the best
Correct Answer: to the best
Solution : The fourth option is the correct answer.
To the best means to the greatest degree and fits contextually in the sentence. It conveys the meaning that he worked with the highest quality of his ability.
Other options don't fit contextually because different prepositions
Question : Which of the following are constituents of the Indian Parliament?
(i) The President
(ii) The Council of States (Rajya Sabha)
(iii) The House of the People (Lok Sabha)
Option 1: (i) and (ii)
Option 2: (ii) and (iii)
Option 3: (i) and (iii)
Option 4: (i) , (ii) and (iii)
Correct Answer: (i) , (ii) and (iii)
Solution : The correct option is (i), (ii) and (iii)
The President, the Rajya Sabha (Council of States), and the Lok Sabha (House of the People) comprise the Indian Parliament. The President has the authority to call a special session of either House
Question : The bar chart given below shows the sales (in 000 units) of 4 mobile brands for 3 years. In 2017, the sales of each brand increased by the same percentage as it did in the year 2016. What will be the approximate average sales (in units) of mobiles per brand in the year 2017?
Option 1: 9175
Option 2: 8360
Option 3: 9436
Option 4: 9678
Correct Answer: 9175
Solution : As per the given graph: In 2017, the sales of each brand increased by the same percentage as it did in the year 2016. The increase in sales of Brand 1 in 2016 = $\frac{7.5-5.5}{5.5}×100=36.36\%$ The sales of Brand 1 in 2017 = $7.5+(7.5×\frac{36.36}{100})=10.2$ units
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