Staff Selection Commission Combined Graduate Level Exam
Question : Comprehension:
Read the following passage and answer the questions given after it.
The Indian Space Research Organisation (ISRO) announced another successful mission. ISRO chairman S. Somanath said that three small satellites successfully separated and were injected into orbit. ISRO launched three small satellites powered by its SSLV-D2 launch vehicle from Satish Dhawan Space Centre at Sriharikota on February 10, 2023, at 09:18 AM IST. The launch vehicle was carrying EOS-07, Janus-1 & AzaadiSAT-2 satellites and aimed to inject them into a 450 km circular orbit. The launch took place at the first launch pad at SDSC SHAR, Sriharikota. The SSLV-D2 had to take a 15-minute flight to inject EOS-07, Janus-1, and AzaadiSAT-2 satellites into a 450 km circular lower orbit. “It is configured with three solid propulsion stages and a velocity terminal module. It is a 34 m tall, 2 m diameter vehicle having a lift-off mass of 120 t,” said ISRO. The EOS-07 satellite weighs 156.3 kg and is made by ISRO.
About 13 minutes into its flight, the SSLV rocket ejected EOS-07 and soon after that the other two satellites Janus-1 and AzaadiSAT-2 were ejected — all at an altitude of 450 km, said ISRO.
With the new rocket in its portfolio, ISRO will have three rockets — Polar Satellite Launch Vehicle (PSLV) and its variants (cost about Rs 200 crore), Geosynchronous Satellite Launch Vehicle (GSLV-MkII cost about Rs 272 crore and LVM3 Rs 434 crore) and SSLV (Development cost of three rockets about Rs 56 crore each) and production cost may go down later.
“New experiments include mm-Wave Humidity Sounder and Spectrum Monitoring Payload. Janus-1, a 10.2 kg satellite belongs to ANTARIS, USA. An 8.7 kg satellite AzaadiSAT-2 is a combined effort of about 750 girl students across India guided by Space Kidz India, Chennai,” it added.
SSLV caters to the launch of up to 500 kg satellites to Low Earth Orbits on a ‘launch-on-demand’ basis. “It provides low-cost access to Space, offers low turn-around time and flexibility in accommodating multiple satellites, and demands minimal launch infrastructure,” as per a statement by ISRO.
Question:
Which satellite was injected into the orbit first?
Option 1: EOS-07
Option 2: Janus 1
Option 3: AzaadiSAT-2
Option 4: Antaris
Correct Answer: EOS-07
Solution : The correct choice is the first option.
In the passage, the sequence of events is mentioned regarding the satellite ejection. It states, "About 13 minutes into its flight, the SSLV rocket ejected EOS-07, and soon after that, the other two satellites, Janus-1 and AzaadiSAT-2,
Question : A group of ribosomes attached to mRNA is known as:
Option 1: polypeptide
Option 2: polysomes
Option 3: polymer
Option 4: monomer
Correct Answer: polysomes
Solution : The correct option is polysomes.
Polysomes, also known as polyribosomes, are clusters of ribosomes that are attached to a single mRNA (messenger RNA) molecule. These ribosomes work together to synthesise multiple copies of the same protein simultaneously by translating the mRNA's genetic code. Polysomes are
Question : Directions: Each vowel in the word FOREFOOT is changed to the following letter in the English alphabetical series and each consonant is changed to the previous letter in the English alphabetical series. In the newly formed word, how many alphabets are there in the English alphabetical series between the alphabet which is 2nd from the left and 1st from the right?
Option 1: 3
Option 2: 2
Option 3: 1
Option 4: 4
Correct Answer: 2
Solution : Given: FOREFOOT
Change each vowel in the word FOREFOOT to its following letter and each consonant to its previous letter.
Thus, the new word formed is→EPQFEPPS. In this word, the 2nd alphabet from the left is P and the 1st alphabet from the
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
The common fruit fly is technically (called as) "drosophila".
(1) called
(2) known by
(3) known as
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The sentence can be improved using the third option.
Called is a verb, and as is used as a preposition. The phrase called as is not the standard way to express the idea of providing a technical or scientific name for something. The more appropriate
Question : Tamladu is a festival celebrated by the Buddhist community of which Indian state?
Option 1: Karnataka
Option 2: Arunachal Pradesh
Option 3: Madhya Pradesh
Option 4: Himachal Pradesh
Correct Answer: Arunachal Pradesh
Solution : The correct option is Arunachal Pradesh.
The Lohit district of Arunachal Pradesh hosts the Tamladu Festival. It is one of the ancient festivals of Arunachal Pradesh. It is observed on February 15 of each year. During this event, they worship the Gods of Water
Question : Select the correct indirect form of the given sentence. The Prime Minister has said, "The government will extend help to the unorganised sector."
Option 1: The Prime Minister has said that the government will extend help to the unorganised sector.
Option 2: The Prime Minister said that the government has extended help to the unorganised sector.
Option 3: The Prime Minister said that the government would extend help to the unorganised sector.
Option 4: The Prime Minister has said that the government extended help to the unorganised sector.
Correct Answer: The Prime Minister has said that the government will extend help to the unorganised sector.
Solution : The first option is the correct choice.
When the indirect speech is in an assertive form, we follow the steps given below:
Question : King Kharvela was the greatest ruler of the Chedi Dynasty of
Option 1: Cholamandalam
Option 2: Kalinga
Option 3: Kannauj
Option 4: Purushpur
Correct Answer: Kalinga
Solution : The Correct Answer is Kalinga
Kharvela, the third and most powerful emperor of the Chedi dynasty, ruled over Kalinga (present-day Odisha). The main source of information about him is the well-known Hanthigumpha inscription by Kharavela. During his reign, the Chedi dynasty, which had been suppressed
Question : Direction: If STYLE is written as PQVIB, how can SMELL be written in that code?
Option 1: PJBII
Option 2: PVBII
Option 3: PVHII
Option 4: PJHII
Correct Answer: PJBII
Solution : Given:
STYLE is written as PQVIB
S – 3 = P ; T – 3 = Q ; Y – 3 = V ; L – 3 = I ; E – 3 = B
Similarly, SMELL will be coded as:
S – 3 =
Question : Identify the animal that is not a non-chordate.
Option 1: Reptiles
Option 2: Arthropods
Option 3: Porifera
Option 4: Arachnids
Correct Answer: Reptiles
Solution : The correct answer is Reptiles.
Non-chordates are animals without backbones. Reptiles are chordates. Chordates are animals belonging to the phylum Chordata, which is characterized by the presence of a notochord. Reptiles fall within the subphylum Vertebrata, which includes animals with a vertebral column
Question : If the sum of two positive numbers is 65 and the square root of their product is 26, then the sum of their reciprocals is:
Option 1: $\frac{7}{52}$
Option 2: $\frac{5}{52}$
Option 3: $\frac{1}{52}$
Option 4: $\frac{3}{52}$
Correct Answer: $\frac{5}{52}$
Solution : Let the two numbers be $a$ and $b$. According to the question, ⇒ $a + b$ = 65 and $\sqrt{ab}$ = 26 So, $ab$ = 26 × 26 = 676 Now, the sum of reciprocals = $\frac{1}{a}$ + $\frac{1}{b}$ = $\frac{b+a}{ab}$ = $\frac{65}{676}$= $\frac{5}{52}$ Hence,
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