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Question : Who first introduced the idea of a relationship between molecular geometry and the number of valence electrons in the 1940s?
Option 1: Bent and Nyholm
Option 2: Hendricus and Nicol
Option 3: Sidgwick and Powell
Option 4: Heitler and Gillespie
Correct Answer: Sidgwick and Powell
Solution : The correct option is Sidgwick and Powell.
In 1940, Herbert Powell and Nevil Sidgwick proposed the notion that molecule shape and the number of valence electrons were correlated. They claimed that the number of valence electron pairs surrounding the core atom determines the
Question : Select the most appropriate meaning of the given idiom.
First and foremost
Option 1: Most important aspect
Option 2: Most difficult task
Option 3: After everything else
Option 4: Far from the truth
Correct Answer: Most important aspect
Solution : The first option is the correct choice.
The idiom first and foremost is used to emphasise that something is the most important or primary consideration. It implies that before anything else is considered or discussed, the mentioned aspect takes precedence. It is a
Question : Select the INCORRECTLY spelt word.
Option 1: Cemetery
Option 2: Accommodate
Option 3: Intruder
Option 4: Neccessary
Correct Answer: Neccessary
Solution : The misspelt word lies in the fourth option.
The correct spelling is necessary, which means something that needs to be done.
Question : Directions: In the following question, one statement is given. You have to consider the statement to be true, even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions/assumptions, if any, follows from the given statement. Statement: Students go to school in uniforms.
Option 1: Students look smart in uniforms
Option 2: Uniforms are compulsory
Option 3: Uniforms are easily available
Option 4: Uniforms create a sense of belongingness
Correct Answer: Uniforms create a sense of belongingness
Solution : Let's analyse the given options – First option: Students look smart in uniforms – In the above statement, there is no relation between smartness and uniforms. Thus, this conclusion doesn't follow. Second option: Uniforms are compulsory – In the above
Question : Directions: Select the word that cannot be formed using the letters of the word BASTIONED.
Option 1: BANDS
Option 2: BONES
Option 3: TONED
Option 4: TAPED
Correct Answer: TAPED
Solution : Given: BASTIONED
Let's compare all the option words with the given word. First option: BANDS; All the letters of BANDS are present in the word BASTIONED. Second option: BONES; All the letters of BONES are present in the word BASTIONED. Third option: TONED; All 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".
When the prodigal son returned home, his father welcomed him (with open hands)
(1) with open hearts
(2) with open mind
(3) with open arms
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The first option is the correct answer.
This is because "with open hands" should be replaced with the idiom "with open arms" which means "in an enthusiastic manner", thereby indicating that when the prodigal son returned, the father gave him a warm and enthusiastic welcome.
Question : What is the SI unit for measuring the luminous intensity?
Option 1: Ampere
Option 2: Mole
Option 3: Candela
Option 4: Kelvin
Correct Answer: Candela
Solution : The correct option is Candela.
The SI (International System of Units) unit for measuring luminous intensity is the candela, abbreviated as cd. A candela is a base unit of measurement for the physical quantity of luminous intensity, which is the amount of light emitted
Question : Directions: Select the option that is related to the third term on the same basis as the second term is related to the first term. Electric current : Ampere :: Thermodynamic Temperature : ?
Option 1: Mole
Option 2: Kelvin
Option 3: Pascal
Option 4: Candela
Correct Answer: Kelvin
Solution : Given: Electric current : Ampere :: Thermodynamic Temperature : ?
Like, the unit used to measure electric current is an ampere. Similarly, the unit used to measure thermodynamic temperature is kelvin.
Hence, the second option is correct.
Question : In 1929, under the presidency of _______, the Lahore Congress formalised the demand of Purna Swaraj.
Option 1: Sardar Vallabhbhai Patel
Option 2: Mahatma Gandhi
Option 3: Subhas Chandra Bose
Option 4: Jawaharlal Nehru
Correct Answer: Jawaharlal Nehru
Solution : The correct answer is Jawaharlal Nehru.
The Lahore Session of the Indian National Congress was held in 1929 and passed the historic Purna Swaraj, which means the total independence resolution under the presidency of Jawaharlal Nehru. The Indian National Congress selected January 26,
Question : If a : b : c = 5 : 6 : 4, then what is the value of (a + b + c) : (3a + b – c)?
Option 1: 25 : 23
Option 2: 18 : 23
Option 3: 15 : 17
Option 4: 18 : 19
Correct Answer: 15 : 17
Solution : Given: $a : b : c = 5 : 6 : 4$ $⇒ a = 5x, b = 6x$, and $c = 4x$ So, $(a+b+c):(3 a+b-c) = \frac{5x+6x+4x}{3(5x)+6x-4x}=\frac{15x}{15x+6x-4x}=\frac{15x}{17x}=15:17$ Hence, the correct answer is 15 : 17.
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