Staff Selection Commission Combined Graduate Level Exam
Question : Direction: Which one of the given responses would be a meaningful order of the following?
1. Absorption
2. Digestion
3. Nutrition
4. Excretion
Option 1: 3, 1, 2, 4
Option 2: 2, 1, 3, 4
Option 3: 3, 4, 2, 1
Option 4: 3, 2, 1, 4
Correct Answer: 3, 2, 1, 4
Solution : Given:
First, start with Nutrition
Nutrition: This is the first step where an organism acquires nutrients from its external environment.
Digestion: Once the food is ingested, the process of digestion begins with the mechanical
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 ran so fast____.
Option 1: that he fell
Option 2: so he fell
Option 3: he fell
Option 4: that he is falling
Correct Answer: that he fell
Solution : The first option is the correct answer: that he fell.
"so...that" is a correlative conjunction, which are words that join two sentences but are not written together. Also, observe that "He ran so fast" is set in
Question : What is the average of all numbers between 100 and 200 which is divisible by 13?
Option 1: 147.5
Option 2: 145.5
Option 3: 143.5
Option 4: 149.5
Correct Answer: 149.5
Solution : Numbers between 100 and 200 which are divisible by 13 are 104, 117, 130, 143, 156, 169, 182, 195 This forms an arithmetic progression, So the average = $\frac{104+195}{2}$ = 149.5 [Using arithmetic mean = $\frac{\text{First term + Last Term}}{2}$] Hence, the correct answer is
Question : The final boundary between the Earth and the outer space is called ____.
Option 1: magnetosphere
Option 2: ionosphere
Option 3: mesopause
Option 4: magnetopause
Correct Answer: magnetopause
Solution : The correct answer is magnetopause.
The magnetopause is a line that separates the Earth's magnetic field from the solar wind. Solar winds are a component of outer space, although Earth's atmosphere extends up to the magnetosphere. Chapman and Ferraro first proposed this boundary in 1931.
Question : Study the given histogram and answer the question that follows. The total number of neon lamps having a lifetime of 800 or more hours is approximately what percentage more than the total number of neon lamps having a lifetime of 400 or more hours but less than 800 hours?
Option 1: 22.7%
Option 2: 12.5%
Option 3: 32.2%
Option 4: 31.8%
Correct Answer: 12.5%
Solution : The total number of neon lamps having a lifetime of 800 or more hours = 350 + 300 + 275 + 325 + 100 = 1350 The total number of neon lamps having a lifetime of 400 or more hours but less than 800 hours
Question : 20% discount is offered on an item. By applying a promo code, the customer wins 30% cashback. What is the effective discount?
Option 1: 44%
Option 2: 30%
Option 3: 32%
Option 4: 22%
Correct Answer: 44%
Solution : Let the marked price be Rs. 100. Discount = 20% Selling price = 80% of marked price = 80% of Rs. 100 = Rs. 80 Amount discounted = Rs. 100 — Rs. 80 = Rs. 20 Cashback = 30% of selling price Amount got as
Question : What is the maximum water vapour content in the atmosphere?
Option 1: 2 to 3 percent
Option 2: 3 to 4 percent
Option 3: 4 to 5 percent
Option 4: 5 to 6 percent
Correct Answer: 3 to 4 percent
Solution : The correct option is 3 to 4 percent.
In general terms, at 20 degrees Celsius, which is a fairly common room temperature, the maximum water vapor content the air can hold is approximately 17 grams of water vapor per cubic meter of
Question : Select the most appropriate ANTONYM of the underlined word in the given sentence.
The Emperor was considered a wicked man.
Option 1: Virtuous
Option 2: Savage
Option 3: Fierce
Option 4: Vile
Correct Answer: Virtuous
Solution : The correct choice is the first option.
Virtuous means having high moral standards, being good and righteous, and behaving in a morally upright and ethical way. It is the opposite of wicked, which implies morally evil or corrupt.
The meanings of the other options
Question : Point out the incorrect pair:
Option 1: Green Revolution - Agricultural Development
Option 2: White Revolution - Dairy Development
Option 3: Blue Revolution - Development of Fisheries
Option 4: Operation Flood - Irrigation Development
Correct Answer: Operation Flood - Irrigation Development
Solution : The correct option is - Operation Flood - Irrigation Development.
Operation Flood, which was started in 1970, assisted dairy farmers in taking ownership of the resources they make. Village milk producers' cooperatives, which purchase milk, offered inputs and services, and gave
Question : Diamonds are priced higher than water because :
Option 1: They are sold by selected firms with monopolistic powers.
Option 2: Their marginal utility to buyers is higher than that of water .
Option 3: Their total utility to buyers is higher than that of water.
Option 4: Consumers do not by them at lower prices .
Correct Answer: Their marginal utility to buyers is higher than that of water .
Solution : The correct option is their marginal utility to buyers is higher than that of water .
The additional enjoyment or value that a buyer receives by purchasing one more unit of a good or
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