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Physics QUESTION #393
Question 2181
Cesium coated oxidized silver emits electrons for __________ light.
  • Infrared✔️
  • Ultraviolet
  • Visible
  • Green
Correct Answer Logic:
This photocathode is sensitive to infrared
Uploaded by: Fani Warraich
MCQs Section QUESTION #4879
Question 2182
Which word is similar to "CALLIGRAPHY"
  • Computers
  • Handwriting✔️
  • Blood pressure
  • Brain waves
Correct Answer Logic:
Calligraphy is the art of producing decorative handwriting or lettering with a pen or brush. Handwriting is its closest synonym.
Uploaded by: Fani Warraich
Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5789
Question 2183
According to the material, the 'Trial' stage in the adoption process involves:
  • Interest seeking
  • Evaluating benefits
  • Applying the idea✔️
  • Awareness
Correct Answer Logic:
Trial involves the application of an idea on a small scale[cite: 7].
Uploaded by: Fani Warraich
Accounting & Finance QUESTION #6049
Question 2184

For a levered firm (a firm that uses debt financing), which of the following ratios would ideally indicate the highest return to equity shareholders?

  • Return on Assets (ROA)
  • Return on Invested Capital (ROIC)
  • Return on Capital Employed (ROCE)
  • Return on Common Equity (ROE)✔️
Correct Answer Logic:

A levered firm uses debt, which creates a financial leverage effect. When a firm earns more on borrowed funds than it pays in interest, the surplus accrues to equity shareholders — amplifying returns. Return on Common Equity (ROE) $= \dfrac{\text{Net Income}}{\text{Shareholders' Equity}}$ captures this magnified return because the denominator (equity) is smaller when the firm uses debt. ROA and ROCE use total assets or capital employed (including debt) as the base, which dilutes the leverage effect.

Uploaded by: Fani Warraich
Civil Engineering QUESTION #6629
Question 2185
A doubly reinforced beam is used when:
  • The section dimensions are restricted and $M_u > M_{u,lim}$✔️
  • The beam is very long to prevent deflection
  • Shear reinforcement is not sufficient
  • Torsion is the dominant force
Correct Answer Logic:
Doubly reinforced beams (adding compression steel) are used when architectural or clearance requirements limit the beam size such that a singly reinforced section cannot provide enough capacity without becoming over-reinforced.
Uploaded by: Fani Warraich
Law QUESTION #9520
Question 2186
A suit for dissolution of a firm is filed. The trial Court appoints a receiver to manage the firm's affairs pending the suit. The receiver, acting in that capacity, enters into a contract with a third party T. T later sues the firm for breach of this contract. The firm argues T should have sued the receiver personally. Is the firm liable?
  • Yes; but only the Court can be sued for the receiver's acts
  • Yes; a receiver acts as an officer of the Court and on behalf of the parties; contracts entered into by the receiver in the ordinary course of managing the firm may bind the firm and the estate under receivership, subject to the terms of the Court's order✔️
  • No; T should have obtained the Court's leave before contracting with the receiver
  • No; the receiver acts in personal capacity alone
Correct Answer Logic:
Under Order XL CPC, a receiver is an officer of the Court appointed to preserve and manage property. He acts under the Court's authority and for the benefit of the estate. Contracts entered in the ordinary course by the receiver in managing the firm bind the estate. Third parties dealing with the receiver in good faith may proceed against the assets of the estate.
Uploaded by: Fani Warraich
General Knowledge QUESTION #8975
Question 2187
Dynamite was discovered by which scientist?
  • Daimler
  • Alfred Nobel✔️
  • Sigmund Freud
  • Harry Mosely
Correct Answer Logic:
Alfred Nobel invented dynamite.
Uploaded by: Fani Warraich
Biology Zoology Botany QUESTION #10780
Question 2188
Which is considered the largest single cause of biodiversity loss worldwide?
  • Habitat destruction✔️
  • Hunting
  • Pollution
  • Disease
Correct Answer Logic:
Habitat destruction — including deforestation, wetland drainage, agricultural expansion, and urbanisation — is recognised as the greatest single threat to global biodiversity. It eliminates species' living space, food sources, and breeding areas, leading directly to population decline and extinction. The IUCN cites habitat loss as the primary threat to the majority of currently threatened species, far outweighing hunting, pollution, invasive species, and climate change individually.
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Education QUESTION #10857
Question 2189
Education confined to a formal educational institution is called:
  • Informal education
  • Non-formal education
  • Formal education✔️
  • Semi-formal education
Correct Answer Logic:
Formal education is structured, systematic, and institutionalised — occurring in schools, colleges, and universities within a planned curriculum, defined grades, certified teachers, and recognised qualifications. It is time-bound and follows official syllabi. Informal education occurs through life experiences; non-formal education is organised but outside formal institutions (e.g. adult literacy programmes, community education centres).
Uploaded by: Fani Warraich
Verbal Reasoning QUESTION #8176
Question 2190

In the $xy$-plane, line $k$ has equation $3x - 2y = 0$. Compare:

Quantity A: The $x$-intercept of line $k$

Quantity B: The $y$-intercept of line $k$

  • Quantity A is greater
  • Quantity B is greater
  • The two quantities are equal✔️
  • The relationship cannot be determined from the information given
Correct Answer Logic:

Find the intercepts of $3x - 2y = 0$:

x-intercept (set $y = 0$): $3x = 0 \Rightarrow x = 0$.

y-intercept (set $x = 0$): $-2y = 0 \Rightarrow y = 0$.

Both intercepts are $0$ (the line passes through the origin).

Quantity A $= 0 =$ Quantity B. The two quantities are equal.

Uploaded by: Fani Warraich
Correct Answer Logic:
This is a first-order reaction (\(k = 0.03\ \text{s}^{-1}\)). \(t = \frac{2.303}{k}\log\frac{[A]_0}{[A]} = \frac{2.303}{0.03}\log\frac{7.2}{0.9} = \frac{2.303}{0.03}\log 8 = \frac{2.303\times3\times0.301}{0.03} = \frac{2.079}{0.03} \approx 69.3\ \text{s}\). Wait — \(\frac{2.303\times0.903}{0.03}=\frac{2.079}{0.03}=69.3\text{ s}\). But answer key says 210s: \(\log 8 = 3\times0.301=0.903\), \(t=\frac{2.303\times0.903}{0.03}=69.3\text{ s}\). So answer is option (3) = 69.3 s.
Uploaded by: Fani Warraich
Math Physics Chemistry Biology QUESTION #4288
Question 2192
Which is the common feature between cardiac and smooth muscles?
  • Voluntary
  • Involuntary✔️
  • Branched
  • Unbranched
Correct Answer Logic:
Both cardiac and smooth muscles are involuntary — they operate without conscious control, unlike skeletal muscle which is voluntary.
Uploaded by: Fani Warraich
English QUESTION #8385
Question 2193
De Jure means:
  • by right
  • by law✔️
  • by the way
  • by itself
Correct Answer Logic:
De Jure means by law (legally).
Uploaded by: Fani Warraich
Disaster Management QUESTION #6556
Question 2194
What represents the most significant limitation of relying solely on structural measures for flood risk reduction?
  • High costs
  • Failure to address upstream catchment degradation, urban planning issues, and climate change, potentially creating false security✔️
  • Engineering complexity
  • Maintenance requirements
Correct Answer Logic:
Section 8 emphasizes combining structural measures with Eco-DRR, risk-sensitive planning, and climate adaptation. Structural measures alone don't address root causes (land use changes, ecosystem degradation, climate impacts) and can create moral hazard by encouraging development in protected but still at-risk areas.
Uploaded by: Fani Warraich
Logical Reasoning QUESTION #3947
Question 2195
Select the pair with a similar relationship to ENERVATE : STRENGTHEN
  • Aver : Attribute✔️
  • Divert : Turn
  • Apprise : Appraise
  • Stultify : Enliven
Correct Answer Logic:
3
Uploaded by: Fani Warraich
General Ability and Fire Fighting QUESTION #5632
Question 2196
Which of the following describes a 'firebreak' as a firefighting technique?
  • A chemical barrier sprayed ahead of a fire
  • A physical gap created by clearing combustible material to stop fire spread✔️
  • A water curtain created by hoses
  • A foam barrier applied around a structure
Correct Answer Logic:
A firebreak is created by physically clearing or removing combustible material (trees
Uploaded by: Fani Warraich
Correct Answer Logic:
صرف قواعد کا وہ حصہ ہے جس میں الفاظ کی ساخت، تصریف اور کلمات کی اقسام پر بحث کی جاتی ہے۔
Uploaded by: Fani Warraich
Physics QUESTION #4409
Question 2198
The protons in the nucleus of an atom DO NOT exit due to:
  • Electromagnetic force
  • Gravitational Force
  • Weak Nuclear Force
  • Strong Nuclear Force✔️
Correct Answer Logic:
Although protons repel each other due to electromagnetic force, they are held together in the nucleus by the strong nuclear force, which is the strongest of the four fundamental forces and acts at very short ranges ($\approx 10^{-15}\ m$).
Uploaded by: Fani Warraich
Accounting & Finance QUESTION #6056
Question 2199

Which accounting principle requires that expenses be matched to the revenues they helped generate, within the same accounting period?

  • Revenue recognition principle
  • Matching principle✔️
  • Cost principle
  • Full disclosure principle
Correct Answer Logic:

The Matching Principle (also called the matching concept) states that expenses must be recognized in the same period as the revenues they helped produce. For example, cost of goods sold is matched against the sales revenue of the same period. The revenue recognition principle deals with when to record revenue; the cost principle is about recording at historical cost; and the full disclosure principle requires reporting of all relevant information.

Uploaded by: Fani Warraich
Maths QUESTION #7974
Question 2200
5448 rounded off to the nearest 1000 is:
  • 6000
  • 5400
  • 5000✔️
  • 4500
Correct Answer Logic:
Since the hundreds digit is 4 (i.e., 448 < 500), we round down: \(5448 \approx 5000\).
Uploaded by: Fani Warraich