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Physics QUESTION #7104

Which of the following is the correct relationship between Young's modulus ($Y$), bulk modulus ($K$), and modulus of rigidity ($\eta$)? [cite: 487, 488]

$Y = \frac{9K\eta}{3K-\eta}$
$Y = \frac{9K\eta}{2\eta+3K}$
$K = \frac{Y\eta}{9\eta-3Y}$✔️
$\eta = \frac{3YK}{9K+Y}$

Correct Answer Logic:

The general relationship is $\frac{9}{Y} = \frac{3}{\eta} + \frac{1}{K}$.

Rearranging for $K$: $\frac{1}{K} = \frac{9}{Y} - \frac{3}{\eta} = \frac{9\eta - 3Y}{Y\eta}$
Thus, $K = \frac{Y\eta}{9\eta - 3Y}$[cite: 492].

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General Knowledge QUESTION #7721

Question 2

When FATA was merged in KPK?

2016
2017
2018✔️
None of these

Correct Answer Logic:

The Federally Administered Tribal Areas (FATA) were merged with Khyber Pakhtunkhwa province through the 25th Constitutional Amendment in May 2018. This historic merger ended the special status of FATA and integrated it into mainstream governance.

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English QUESTION #8430

Question 3

Identify the correctly spelled word:

Challenge✔️
Chalange
Challenge
Chalang

Correct Answer Logic:

Correct spelling is 'Challenge' (option a).

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Constitutional Law QUESTION #5816

Question 4

The federal government grants a state \$10 billion for highway construction, but only on the condition that the state raises its minimum drinking age to 21. The state challenges this as unconstitutional 'coercion' under the Tenth Amendment. Is the condition valid?

No, because it is not related to the purpose of the grant.
No, because it is 'unduly coercive' under the Sebelius standard.
Yes, because it is clearly stated, relates to the federal interest in safe highways, and is not 'unduly coercive.'✔️
Yes, because Congress has absolute power to condition any federal funds for any reason.

Correct Answer Logic:

Under South Dakota v. Dole, Congress may use the spending power to 'encourage' states as long as: 1) it’s for the general welfare, 2) conditions are unambiguous, 3) it relates to a federal program/interest, and 4) it’s not 'coercive' (usually meaning it doesn't represent a massive percentage of the state's entire budget).

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Psychology QUESTION #1470

Question 5

Which of the following is NOT a commonly used method for psychological assessment?

Medical imaging techniques✔️
Self-report questionnaires
Structured interviews
Projective tests

Correct Answer Logic:

Medical imaging techniques (such as CT scans, MRI, fMRI, PET scans) are primarily neurological and medical tools used to examine brain structure and function; they are NOT standard psychological assessment methods. Psychological assessment commonly uses self-report questionnaires (e.g., MMPI, BDI), structured/unstructured interviews, standardized cognitive tests, behavioural observations, and projective tests.

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Accounting & Finance QUESTION #6129

Question 6

Which items appear in the credit column of a trial balance?

Discounts allowed, returns inwards
Discounts allowed, returns outwards
Discounts received, returns inwards
Discounts received, returns outwards✔️

Correct Answer Logic:

Option D is correct.

Discounts received — income from suppliers, credit balance.
Returns outwards (purchases returns) — reduces purchases expense, credit balance.

Discounts allowed and returns inwards are debit balances.

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Verbal Reasoning QUESTION #8065

Question 7

Which of the following is equal to $\frac{1}{4}$ of 0.01 percent?

$0.000025$✔️
$0.00025$
$0.0025$
$0.25$

Correct Answer Logic:

First, convert 0.01 percent to a decimal: $0.01\% = \frac{0.01}{100} = 0.0001$

Now find $\frac{1}{4}$ of this value:

$\frac{1}{4} \times 0.0001 = 0.000025$

Therefore, the answer is $0.000025$.

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Islamic Studies QUESTION #8207

Question 8

In which year did the tragedy of Karbala take place?

55 Hijrah
61 Hijrah✔️
63 Hijrah
65 Hijrah

Correct Answer Logic:

The tragedy of Karbala occurred on 10th Muharram 61 AH (October 10, 680 CE). Imam Hussain (RA), the grandson of Prophet Muhammad (PBUH), along with his family and 72 companions, was martyred by the army of Yazid ibn Muawiyah at Karbala, Iraq. This event is one of the most significant and tragic events in Islamic history, particularly commemorated during Muharram by Muslims worldwide, especially Shia Muslims.

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Chemistry QUESTION #7382

Question 9

Which atomic model described the atom as a sphere of uniform positive charge with electrons embedded in it to give a stable arrangement?

Thomson's atomic model✔️
Rutherford's atomic model
Bohr's atomic model
Chadwick's atomic model

Correct Answer Logic:

Thomson's 'plum pudding' model (1904) proposed that the atom is a sphere of diffuse positive charge with electrons embedded throughout like plums in a pudding. This model was disproved by Rutherford's gold foil experiment (1911), which showed that positive charge is concentrated in a tiny dense nucleus, with electrons orbiting at large distances.

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English QUESTION #8382

Question 10

Could you _______ the pencil for me?

sharp
sharpen✔️
sharped
sharpening

Correct Answer Logic:

'Sharpen' is the verb form.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3358

Question 11

'Binary Fission' is the primary method of reproduction for:

Viruses
Bacteria✔️
Fungi
Humans

Correct Answer Logic:

A single cell splits into two identical daughter cells.

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Professional QUESTION #1828

Question 12

Section 8(1) on seniority explicitly states that preparation of a seniority list shall NOT be construed to confer what right on a civil servant?

Right to appeal against seniority placement
Any vested right to a particular seniority in such service, cadre or post✔️
Right to seek review of promotion decisions
Right to challenge transfer orders

Correct Answer Logic:

Section 8(1) makes a critical clarification that while the appointing authority shall cause a seniority list to be prepared for proper administration, nothing therein shall be construed to confer any vested right to a particular seniority. This prevents civil servants from claiming enforceable seniority rights solely on the basis of the list.

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Chemistry QUESTION #7413

Question 13

$\text{Be}^{2+}$ is isoelectronic with which of the following ions?

$\text{H}^+$
$\text{Li}^+$✔️
$\text{Na}^+$
$\text{Mg}^{2+}$

Correct Answer Logic:

Be (Z=4): Be²⁺ has $4-2=2$ electrons.

Checking options:

H⁺ (Z=1): 0 electrons
Li⁺ (Z=3): 2 electrons ✓ — isoelectronic with Be²⁺
Na⁺ (Z=11): 10 electrons
Mg²⁺ (Z=12): 10 electrons

Be²⁺ and Li⁺ both have 2 electrons (helium configuration).

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Egnlish QUESTION #722

Question 14

In Wordsworth's "Tintern Abbey," the "still sad music of humanity" refers to:

A literal song
Human suffering and mortality✔️
Industrial noise
Church bells

Correct Answer Logic:

It reflects the poet's mature understanding of the interconnectedness of human experience and sorrow.

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Ability / HR / Governance / Special Education QUESTION #1883

Question 15

A government servant is accused of subversion. Under Rule 5(1)(i) who can approve continuation of suspension beyond three months?

The Authorized Officer alone
The Authority after every three months✔️
The Inquiry Officer
The Secretary Establishment Division in all cases

Correct Answer Logic:

Rule 5(1)(i) states that continuation of leave or suspension beyond the initial period requires approval of the authority after every three months.

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Security Measures to Maintain Law and Order QUESTION #939

Question 16

What is the primary duty of an ASF officer during a fire emergency?

Extinguishing the fire only
Evacuation and crowd management✔️
Guarding the cafeteria
Investigating the cause

Correct Answer Logic:

The priority for the security force is the safe evacuation of people and maintaining order to prevent panic.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3588

Question 17

Alkaloids are basic nitrogenous compounds that usually produce a physiological effect. Most give a positive result with:

Mayer's Reagent✔️
Benedict's Solution
Iodine Test
Biuret Test

Correct Answer Logic:

Mayer's reagent (potassium mercuric iodide) is a general spray/test for alkaloids.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3489

Question 18

Glycosides are compounds that, upon hydrolysis, yield a sugar part called 'Glycone' and a non-sugar part called:

Anion
Aglycone (Genin)✔️
Enzyme
Lactose

Correct Answer Logic:

The aglycone part is usually responsible for the therapeutic activity of the glycoside.

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Physical Education QUESTION #6815

Question 19

What is the primary philosophical difference between 'Physical Training' and 'Physical Education'?

Training is for animals; Education is for humans
Training focuses on specific task performance; Education focuses on the development of the whole person✔️
Training is free; Education requires tuition
There is no difference between the two terms

Correct Answer Logic:

Education implies a broader transformative process involving cognitive and affective growth, whereas training is often restricted to skill acquisition.

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Math Physics Chemistry Biology QUESTION #526

Question 20

The soluble part of the cytoplasm is termed as

Cisternae
Cytosol✔️
Endocytosis
Both A and B

Correct Answer Logic:

Cytosol is the soluble portion of cytoplasm

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