Staff Selection Commission Combined Higher Secondary Level Exam
Question : Which of the following is a valid bond in Alkenes that connects carbon atoms?
Option 1: Single bond
Option 2: Double bond
Option 3: Triple bond
Option 4: Not connected
Correct Answer: Double bond
Solution : The correct option is a double bond.
In alkenes, the carbon-carbon bond that connects the carbon atoms is a double bond. This double bond consists of one sigma (σ) bond and one pi (π) bond. The sigma bond is formed by the overlap
Question : Find the odd one :
Option 1: Samveda
Option 2: Yajurveda
Option 3: Vishnu Purana
Option 4: Rigveda
Correct Answer: Vishnu Purana
Solution : The correct answer is Vishnu Purana.
Vishnu Purana, also known as the Mahapurana, is a genre of 18th-century Hinduism texts. It is considered to be one of the most important Pancharatra texts in the entire Vaishnavism literature. Various versions of the Vishnu Purana
Question : Choose the incorrectly spelt word.
Option 1: Healthy
Option 2: Sugest
Option 3: Quantum
Option 4: Mechanics
Correct Answer: Sugest
Solution : The second option is the correct answer.
The incorrectly spelt word is "sugest". The correct spelling is suggest, which means to propose or mention something for consideration; to imply.
The meanings of the other options are as follows:
Healthy means in good health; it
Question : Directions: After arranging the given words according to dictionary order, which word will come in the Fifth position? 1. Superstition 2. Superintend 3. Supervene 4. Supervise 5. Superpose
Option 1: Superintend
Option 2: Supervene
Option 3: Superstition
Option 4: Supervise
Correct Answer: Supervise
Solution : Given: 1. Superstition 2. Superintend 3. Supervene 4. Supervise 5. Superpose
Step I: The first five letters are the same for all the words. Step II: The sixth letters are s, i, v, v, and p. Based on the alphabetical order the sequence is
Question : According to the Census of India 2011, which state in India has the highest female literacy rate?
Option 1: Himachal Pradesh
Option 2: Kerala
Option 3: Tamil Nadu
Option 4: Maharashtra
Correct Answer: Kerala
Solution : The correct answer is Kerala.
According to the 2011 Census of India, the state with the highest female literacy rate was Kerala. Kerala is located in the southern part of India and has consistently been a frontrunner in terms of literacy and education. In the
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.
Generally, dolphins sleep (1)____ only one brain hemisphere in slow-wave sleep at a time, thus (2)_____ enough consciousness to breathe and to watch for possible (3)____ and other threats. Early (4)____ stages can occur simultaneously in both hemispheres. In captivity, dolphins seemingly enter a fully asleep state where both eyes are closed and there is no response to mild external (5)_____.
Question:
Select the most appropriate option to fill in the blank no.5.
Option 1: stimuli
Option 2: moduli
Option 3: spur
Option 4: deterrent
Correct Answer: stimuli
Solution : The correct choice is the first option.
Explanation:
Stimuli means an action or event that evokes a specific functional reaction in an organ or tissue. This helps convey the intended meaning that there is no response to any mild external touch.
Question : Directions: Identify the number of triangles in the given figure.
Option 1: 12
Option 2: 13
Option 3: 10
Option 4: 11
Correct Answer: 12
Solution : The given figure can be labelled as shown below –
In the above-labelled figure, there are 12 triangles. Namely, ABC, ACD, ADB, BCD, AGB, AGD, DGC, CGB, CBE, EBG, AGI, IGD.
Hence, the first option is correct.
Question : Directions: DGEC is related to KNLJ in a certain way based on the English alphabetical order. In the same way, NQOM is related to UXVT. To which of the following is ILJH related, following the same logic?
Option 1: ORPN
Option 2: PSQO
Option 3: QTRP
Option 4: PTRQ
Correct Answer: PSQO
Solution : Given: DGEC is related to KNLJ –
Add 7 to the place value of each letter of DGEC to obtain the required code – D + 7 = K; G + 7 = N; E + 7 = L; C + 7 = J Thus,
Question : To cover a distance of 234 km in 1.6 hours, what should be the average speed of the car in metres per second?
Option 1: 40.625 m/s
Option 2: 146.25 m/s
Option 3: 73.125 m/s
Option 4: 81.25 m/s
Correct Answer: 40.625 m/s
Solution : Given: Total distance = 234 km = 234000 m Total time = 1.6 hours = 1.6 × 3600 sec The formula for average speed = $\frac{\text{Total distance}}{\text{Total time}}$ = $\frac{234000}{1.6×3600}$ m/s = 40.625 m/s Hence, the correct answer is 40.625 m/s.
Question : Select the word that is similar in meaning (SYNONYM) to the word given below Efficacy
Option 1: Impotence
Option 2: Efficiency
Option 3: Ineptness
Option 4: Futility
Correct Answer: Efficiency
Solution : The correct answer is the second option.
In the given context, "efficacy" refers to the ability to produce the desired or intended result, indicating effectiveness. "Efficiency" serves as an appropriate synonym in this context because it also conveys the idea of achieving optimal results with
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