Reading Mode - Questions

Business, Public administration and Policy QUESTION #10502

The process of assessing whether a particular policy has achieved its intended effects is called:

Policy legitimation
Policy formulation
Policy evaluation✔️
Policy implementation

Correct Answer Logic:

Policy evaluation is the systematic assessment of whether a policy has achieved its stated goals and at what cost, efficiency, and equity. It uses research methods (surveys, experiments, cost-benefit analysis) to judge policy effectiveness. Evaluation findings feed back into agenda setting, informing decisions to continue, modify, or terminate a policy.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #2431

Question 6262

The Nusselt number $Nu = hL/k$ physically represents:

Temperature gradient at surface divided by overall temperature difference
The ratio of convective to conductive heat transfer across the fluid boundary layer✔️
The ratio of thermal to momentum boundary layer thickness
The ratio of inertial to viscous forces

Correct Answer Logic:

Nusselt number: $Nu=hL/k$, the ratio of convective heat transfer to conductive heat transfer across the fluid layer.

Uploaded by: Fani Warraich

Mathematics QUESTION #6032

Question 6263

Let $f:\mathbb{R}\to\mathbb{R}$ satisfy $f(x)=x^3+x^2f'(1)+xf''(2)+f'''(3)$ for all $x\in\mathbb{R}$. Find $f(2)$.

-4✔️
30
-2
8

Correct Answer Logic:

Let $f'(1)=a$, $f''(2)=b$, $f'''(3)=c$. Then $f(x)=x^3+ax^2+bx+c$.

$f'(x)=3x^2+2ax+b \Rightarrow f'(1)=3+2a+b=a \Rightarrow a+b=-3$ ...(i)

$f''(x)=6x+2a \Rightarrow f''(2)=12+2a=b$ ...(ii)

$f'''(x)=6 \Rightarrow f'''(3)=6=c$ ...(iii)

From (ii): $b=12+2a$. Sub in (i): $a+12+2a=-3\Rightarrow3a=-15\Rightarrow a=-5$, $b=2$, $c=6$.

$f(2)=8+4(-5)+2(2)+6=8-20+4+6=\mathbf{-2}$

Wait: $f(2)=8-20+4+6=-2$. So correct index is 2 (option C: $-2$).

Uploaded by: Fani Warraich

Psychology QUESTION #1469

Question 6264

According to Erik Erikson, the primary psychosocial conflict in adolescence is:

Trust vs. Mistrust
Autonomy vs. Shame
Identity vs. Role Confusion✔️
Integrity vs. Despair

Correct Answer Logic:

In Erikson's eight stages of psychosocial development, Stage 5 covers adolescence (approximately 12–18 years). The central conflict is Identity vs. Role Confusion — adolescents explore who they are, their values, and their future roles in society. Successful resolution leads to a strong sense of identity (ego identity). Trust vs. Mistrust is infancy (Stage 1); Integrity vs. Despair is late adulthood (Stage 8).

Uploaded by: Fani Warraich

Mathematics QUESTION #11194

Question 6265

Let $\mathbf{t}$, $\mathbf{n}$, $\mathbf{b}$ denote the tangent, principal normal, and binormal to a curve. The osculating plane at $P$ contains:

$\mathbf{t},\mathbf{b}$
$\mathbf{n},\mathbf{b}$
$\mathbf{t},\mathbf{n}$✔️
$\mathbf{t},\mathbf{n},\mathbf{b}$

Correct Answer Logic:

The osculating plane is the plane containing the tangent vector $\mathbf{t}$ and the principal normal $\mathbf{n}$ at a point on a curve. It is the plane that most closely approximates the curve near that point. The binormal $\mathbf{b} = \mathbf{t}\times\mathbf{n}$ is perpendicular to the osculating plane. The normal plane contains $\mathbf{n}$ and $\mathbf{b}$; the rectifying plane contains $\mathbf{t}$ and $\mathbf{b}$.

Uploaded by: Fani Warraich

General Ability and Fire Fighting QUESTION #5610

Question 6266

What does the chemical chain reaction in the Fire Tetrahedron represent?

The process of releasing water vapor
The self-sustaining molecular breakdown that provides energy to keep the fire burning✔️
The reaction between CO2 and fuel
The oxidation of metals

Correct Answer Logic:

The chemical chain reaction is the self-sustaining process where molecular breakdown produces the energy necessary to continue combustion. Breaking this chain can extinguish a fire.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #4273

Question 6267

What is the function of a centromere?

To protect the ends of chromosomes
To hold sister chromatids together✔️
To carry genetic information
To initiate DNA replication

Correct Answer Logic:

The centromere is the constricted region of a chromosome that holds the two sister chromatids together until they separate during cell division.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8787

Question 6268

Which of the following is a necessary result of inflation?

A rise in the exchange rate
An increase in the value of money
A reduction in the value of money (purchasing power)✔️
Less money is printed

Correct Answer Logic:

Inflation reduces the purchasing power of currency.

Uploaded by: Fani Warraich

Maths QUESTION #4538

Question 6269

What is $(\sqrt{a})^2$ for $a > 0$?

$a$✔️
$\sqrt{a}$
$a^2$
$2a$

Correct Answer Logic:

$(\sqrt{a})^2 = a$ for any positive $a$. The square and square root cancel each other.

Uploaded by: Fani Warraich

Chemistry QUESTION #5549

Question 6270

Among the following species, which one is NOT paramagnetic?

CO✔️
$O_2$
$B_2$
NO

Correct Answer Logic:

CO: Total 14 electrons, MO config same as $N_2$, all electrons paired → diamagnetic (NOT paramagnetic). $O_2$: 2 unpaired $\pi^*$ electrons → paramagnetic. $B_2$: 2 unpaired $\pi$ electrons → paramagnetic. NO: 1 unpaired $\pi^*$ electron → paramagnetic. CO is the only diamagnetic species.

Uploaded by: Fani Warraich

CISA QUESTION #6859

Question 6271

An organization implements continuous monitoring for security compliance but management reviews compliance reports only quarterly. Critical non-compliance issues exist for weeks before management attention. What should be the PRIMARY recommendation?

Increase monitoring frequency
Implement real-time or daily alerting for critical non-compliance to enable timely response✔️
Reduce reporting frequency
Simplify reports

Correct Answer Logic:

Continuous monitoring provides real-time visibility, but value is lost if critical issues are not acted upon promptly. Quarterly reviews of continuous monitoring data means critical security gaps persist for extended periods. Management needs automated alerts for critical issues to enable rapid response that justifies continuous monitoring investment.

Uploaded by: Fani Warraich

Mathematics QUESTION #6957

Question 6272

Evaluate: $\displaystyle\lim_{x\to1^-}\dfrac{\sqrt{\pi}-\sqrt{2\sin^{-1}x}}{\sqrt{1-x}}$

$\dfrac{1}{\sqrt{2\pi}}$
$\sqrt{\dfrac{2}{\pi}}$
$\sqrt{\dfrac{\pi}{2}}$✔️
$\sqrt{\pi}$

Correct Answer Logic:

Let $\sin^{-1}x = \pi/2-\epsilon$ where $\epsilon\to0^+$ as $x\to1^-$. Then $x=\sin(\pi/2-\epsilon)=\cos\epsilon\approx1-\epsilon^2/2$, so $1-x\approx\epsilon^2/2$.

$\sqrt{\pi}-\sqrt{2(\pi/2-\epsilon)}=\sqrt{\pi}-\sqrt{\pi-2\epsilon}=\sqrt{\pi}\left(1-\sqrt{1-\frac{2\epsilon}{\pi}}\right)\approx\sqrt{\pi}\cdot\dfrac{\epsilon}{\pi}=\dfrac{\epsilon}{\sqrt{\pi}}$

$\sqrt{1-x}\approx\sqrt{\epsilon^2/2}=\epsilon/\sqrt{2}$

Limit $=\dfrac{\epsilon/\sqrt{\pi}}{\epsilon/\sqrt{2}}=\sqrt{\dfrac{2}{\pi}}$

Uploaded by: Fani Warraich

General Knowledge QUESTION #4806

Question 6273

Which of the following countries is NOT a member of SAARC?

Maldives
Myanmar✔️
Bhutan
Afghanistan

Correct Answer Logic:

Myanmar is not a member of SAARC (South Asian Association for Regional Cooperation). The 8 member states are Afghanistan, Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka.

Uploaded by: Fani Warraich

Psychology QUESTION #9834

Question 6274

The approach-approach conflict involves:

A stable equilibrium
An unstable equilibrium✔️
An oscillation of both stable and unstable equilibrium
Neither stable nor unstable equilibrium

Correct Answer Logic:

In an approach-approach conflict, a person is drawn to two equally desirable goals. This creates unstable equilibrium — as the person moves toward one option, its attractiveness increases, making the decision progressively easier.

Uploaded by: Fani Warraich

Molecular Biology / Bioinformatics / Biochemistry QUESTION #11094

Question 6275

Trisomy of which chromosome leads to Patau's syndrome?

13th chromosome✔️
18th chromosome
21st chromosome
22nd chromosome

Correct Answer Logic:

Patau's syndrome (Trisomy 13) results from the presence of three copies of chromosome 13 ($2n + 1 = 47, +13$). It causes severe intellectual disability, cleft lip/palate, polydactyly, heart defects, and neural tube defects. Median survival is less than one week; 90% of affected infants die within the first year. Trisomy 18 = Edwards syndrome; Trisomy 21 = Down syndrome; Trisomy 22 = cat-eye syndrome or Emanuel syndrome.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #11313

Question 6276

Which of the following is a reciprocal cross?

AA x aa
aa x AA✔️
Aa x Aa
AA x Aa

Correct Answer Logic:

A reciprocal cross involves reversing the sexes of the parents, e.g., aa x AA.

Uploaded by: Fani Warraich

Nursing QUESTION #9198

Question 6277

A Charge Nurse reads a study reporting Sensitivity = 95% and Specificity = 60% for a new screening tool. What does this mean?

The tool correctly identifies 95% of true negatives and 60% of true positives
The tool correctly identifies 95% of true positives and 60% of true negatives✔️
The tool has a 95% positive predictive value and 60% negative predictive value
The tool is 95% accurate overall with a 60% error rate

Correct Answer Logic:

Correct Answer: B

Sensitivity and Specificity Definitions:

Measure	Formula	Meaning
Sensitivity	$\frac{TP}{TP + FN}$	% of true positives correctly identified (rules OUT disease if negative — SnNOut)
Specificity	$\frac{TN}{TN + FP}$	% of true negatives correctly identified (rules IN disease if positive — SpPIn)

In this case:

95% sensitivity: The tool correctly identifies 95% of patients who have the condition
60% specificity: Only 60% of those without the condition are correctly identified as negative — meaning a high false positive rate (40%)

A high-sensitivity, low-specificity tool is useful for screening where missing a case is dangerous.

Uploaded by: Fani Warraich

Physics QUESTION #383

Question 6278

In LED when an electron combines with a __________ during forward bias conduction

a photon of visible light is emitted.✔️
High voltage
Photon
Hole

Correct Answer Logic:

2

Uploaded by: Fani Warraich

Constitutional Law QUESTION #5819

Question 6279

A public university fired a tenured professor without a hearing after he was accused of plagiarism. The university claimed that because he was an 'at-will' employee, no hearing was required. Does the professor have a valid claim?

No, because public employment is a privilege, not a right.
No, because plagiarism is a clear violation of university policy.
Yes, because tenure creates a 'property interest' in employment that requires procedural due process.✔️
Yes, because the firing violated his First Amendment right to academic freedom.

Correct Answer Logic:

Tenured public employees have a 'legitimate claim of entitlement' to their jobs, which constitutes a property interest under the Due Process Clause of the 14th Amendment. They cannot be fired without notice and a pre-termination hearing.

Uploaded by: Fani Warraich

English QUESTION #8509

Question 6280

The fire was finally brought _______ control.

to
on
under✔️
at

Correct Answer Logic:

'Brought under control' means subdued.

Uploaded by: Fani Warraich

More Options

Suggest a Question

Measure	Formula	Meaning
Sensitivity	\(\frac{TP}{TP + FN}\)	% of true positives correctly identified (rules OUT disease if negative — SnNOut)
Specificity	\(\frac{TN}{TN + FP}\)	% of true negatives correctly identified (rules IN disease if positive — SpPIn)