Staff Selection Commission Combined Graduate Level Exam
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. Any (1) _____ that revolves around a planet is a satellite. Mother Earth has a natural satellite on the moon. The Earth is circled by a lot of man-made or artificial satellites. In 1957, the Soviet Sputnik was the first to be (2) _____ into space. There are currently a number of artificial satellites launched into space by various nations. These satellites make it possible for us to talk on the phone, watch television, predict the weather, map the various surfaces of the earth and learn more about the world in which we live. How does a satellite get started? It is typically launched into space by means of a rocket. After ascending into the thinner air layers above the earth, the satellite is released from the rocket. For a successful satellite launch, a rocket's speed is carefully calculated and controlled. Every object in space is pushed towards the Earth's centre by gravity. The inertia of motion will propel the object into space if it has its own velocity of motion. When the orbital velocity is exactly right, these two opposing forces are balanced, causing the satellite to (3) _____ towards the earth while still hovering over its surface. earth in a 24-hour period; It doesn't change when compared to a point on the surface of the earth. These orbits are typically used by satellites for communication and weather. The camera on the weather satellites takes pictures and sends them back to Earth. These are helping aid in weather forecasting. Radio receivers and amplifiers on communication satellites can (4) _____ waves back at a frequency that is different from the one the satellite received. The beaming frequencies of satellites that are 'parked' too close to one another must not interfere with one another. Television signals can be transmitted from one location to another using broadcast satellites, and scientists can (5) _____ scientific data from numerous satellites. Select the most appropriate option to fill in the blank no.2.
Option 1: lobbed
Option 2: launched
Option 3: floated
Option 4: tossed
Correct Answer: launched
Solution : The correct choice is the second option.
Launched refers to starting or setting something in motion, as in launching a rocket or a satellite.
The meanings of the other options are as follows:
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at 1, 2 and 3 that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
I hope you will be able to steer ahead of the will anti-social elements.
(1) steer clear
(2) steer free
(3) steer out
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct improvement for the sentence is: steer clear.
Explanation: The phrase "steer clear" means to avoid or stay away from something, especially something undesirable or harmful, which is the intended meaning in this context. It is a common and idiomatic expression.
steer free
Question : Select the correct active form of the given sentence. The catch should not be dropped.
Option 1: Don’t drop the catch.
Option 2: You would not drop the catch.
Option 3: Have you dropped the catch?
Option 4: Let the catch not be dropped.
Correct Answer: Don’t drop the catch.
Solution : The correct choice is the first option.
Active voice emphasises the doer of the action, while passive voice emphasises the receiver. To convert passive to active, we make the subject perform the action and rephrase the verb.
The structure of the active
Question : Select the most appropriate ANTONYM of the underlined word. The dacoits ravaged the bungalow in the absence of its owner.
Option 1: Exploded
Option 2: Demolished
Option 3: Restored
Option 4: Sealed
Correct Answer: Restored
Solution : The third option is the correct choice.
Ravaged implies severe damage or destruction caused by the dacoits, indicating a state of ruin or disorder. On the other hand, restored means to bring something back to its original or former condition.
The meanings of the other
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following signs. If × means addition, – means division, ÷ means subtraction, and + means multiplication, then which of the equations is correct?
Option 1: 16 × 5 ÷ 10 + 4 – 3 = 19
Option 2: 16 + 5 ÷ 10 × 4 – 3 = 9
Option 3: 16 + 5 – 10 × 4 ÷ 3 = 9
Option 4: 16 – 5 × 10 ÷ 4 + 3 = 12
Correct Answer: 16 + 5 – 10 × 4 ÷ 3 = 9
Solution : Given: × means addition, – means division, ÷ means subtraction, and + means multiplication.
Replace the mathematical signs in the equations and solve the equations one by one. Let's check the given options – First
Question : The term 'Back-stick' is used in which of the following games/sports?
Option 1: Basketball
Option 2: Badminton
Option 3: Hockey
Option 4: Volleyball
Correct Answer: Hockey
Solution : The correct answer is Hockey.
In hockey, the phrase "back-stick" is used. In a hockey game, a variety of fouls can result in penalties. The back stick is an illegal shot where the puck hits the hockey stick's rounded face. Players are not permitted
Question : Outside the nucleus DNA is found in
Option 1: Golgi bodies
Option 2: Mitochondria
Option 3: RIbosome
Option 4: Endoplasmic reticulum
Correct Answer: Mitochondria
Solution : The correct option is - Mitochondria.
The DNA found in mitochondria, which are cellular organelles in eukaryotic cells.Mitochondria transforms chemical energy from food into a form that cells can utilise, such as adenosine triphosphate (ATP), is known as mitochondrial DNA. The majority of the DNA
Question : If $\frac{\sin x-\cos x}{\sin x+\cos x}=\frac{2}{5}$, then the value of $\frac{1+\cot ^2 x}{1-\cot ^2 x}$ is:
Option 1: 2.25
Option 2: 1.45
Option 3: 3.75
Option 4: 5.25
Correct Answer: 1.45
Solution : $\frac{\sin x-\cos x}{\sin x+\cos x}=\frac{2}{5}$ Dividing both the numerator and denominator by $\cos x$ ⇒ $\frac{1-\cot x}{1+\cot x}=\frac{2}{5}$ ⇒ $5-5\cot x=2+2\cot x$ ⇒ $\cot x=\frac{3}{7}$ So, $\frac{1+\cot ^2 x}{1-\cot ^2 x}$=$\frac{1+(\frac{3}7) ^2}{1-(\frac{3}7)^2 }=\frac{58}{40} = 1.45$ Hence, the correct answer is 1.45.
Question : What is the transplantation of graft between genetically identical individuals?
Option 1: Autograft
Option 2: Isograft
Option 3: Allograft
Option 4: Xenograft
Correct Answer: Isograft
Solution : The correct option is Isograft.
The transplantation of graft between genetically identical people is known as "isograft" or "isogeneic graft". The donor and recipient in this sort of grafting or transplantation have the same genetic composition because they are identical twins or clones. Because
Question : Directions: If P denotes +, Q denotes –, R denotes ÷, and S denotes ×, then 18 S 36 R 12 Q 6 P 7 = ?
Option 1: 115
Option 2: 65
Option 3: 55
Option 4: 25
Correct Answer: 55
Solution : Given: 18 S 36 R 12 Q 6 P 7 = ?
After replacing the letters with mathematical signs, the equation becomes – = 18 × 36 ÷ 12 – 6 + 7 = 18 × 3 – 6 + 7 = 54 – 6
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