๐Ÿ“š Questions Reading Mode

Study questions platform-wide or filter by specific tests with correct answers revealed.

Log in to see your joined tests.
Chemistry QUESTION #1417
Question 881
Langmuir isotherm assumes:
  • Multilayer adsorption
  • Uniform surface without interactions between adsorbed moleculesโœ”๏ธ
  • Gas behaves as ideal
  • None of these
Correct Answer Logic:
The Langmuir adsorption isotherm is based on key assumptions: (1) monolayer adsorption only, (2) the surface is uniform with equivalent adsorption sites, (3) there are no interactions between adsorbed molecules, and (4) each site can hold only one adsorbate molecule. Multilayer adsorption is described by the BET isotherm, not Langmuir.
Uploaded by: Fani Warraich
English QUESTION #8298
Question 882
Students are advised to write their names _______ ink.
  • Through
  • With
  • Inโœ”๏ธ
  • By
Correct Answer Logic:
'In ink' is the standard phrase.
Uploaded by: Fani Warraich
Math Physics Chemistry Biology QUESTION #7735
Question 883

Which substance in semen helps facilitate sperm transport by causing uterine contractions?

  • Androgen
  • Prostaglandinsโœ”๏ธ
  • Oxytocin
  • Testosterone
Correct Answer Logic:

Prostaglandins in seminal fluid stimulate smooth muscle contractions in the female reproductive tract, aiding sperm movement toward the egg. Oxytocin is a hormone; androgens/testosterone are male sex hormones.

Uploaded by: Fani Warraich
English QUESTION #8532
Question 884
The synonym of 'Infinitesimal' is:
  • Minisculeโœ”๏ธ
  • Enormous
  • Distend
  • Immense
Correct Answer Logic:
Infinitesimal means extremely small; minuscule.
Uploaded by: Fani Warraich
Correct Answer Logic:

The range is the difference between the maximum and minimum values for each coffee type (per 5-oz cup, based on the FDA graph):

  • Decaffeinated: approximately 1โ€“5 mg โ†’ range โ‰ˆ 4 mg (smallest)
  • Instant: approximately 40โ€“108 mg โ†’ range โ‰ˆ 68 mg
  • Drip-brewed: approximately 60โ€“180 mg โ†’ range โ‰ˆ 120 mg
  • Percolated: approximately 40โ€“170 mg โ†’ range โ‰ˆ 130 mg (largest)

Order from least to greatest range: Decaffeinated, Instant, Drip-brewed, Percolated.

Uploaded by: Fani Warraich
Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5798
Question 886
An 'Adulterated' drug is one which contains a color other than the one prescribed. True or False?
  • Trueโœ”๏ธ
  • False
  • Partially True
  • None of these
Correct Answer Logic:
Adulteration includes using unprescribed coloring agents[cite: 7].
Uploaded by: Fani Warraich
CISA QUESTION #6818
Question 887
An IS auditor discovers that while a corporate policy document exists and is published on the company website, random employee surveys reveal only 30% can locate it within reasonable time. According to the evidence rule, what is the MOST appropriate audit conclusion?
  • Policy exists and is compliant
  • Policy exists but insufficient evidence of effective implementationโœ”๏ธ
  • Policy requires updating
  • Policy is satisfactory but employees need training
Correct Answer Logic:
The evidence rule requires that claims be substantiated through verifiable proof. While the policy exists, the inability of 70% of employees to locate it indicates it is not actively used or effectively implemented. Existence alone does not satisfy the evidence requirementโ€”actual use and accessibility must be demonstrated.
Uploaded by: Fani Warraich
Accounting & Finance QUESTION #6164
Question 888
According to the 'Percentage of Sales' forecasting method, which of the following is generally classified as 'Spontaneous Financing'?
  • Long Term Bonds
  • Retained Earnings
  • Accounts Payableโœ”๏ธ
  • Mortgage Loans
Correct Answer Logic:
Lesson 05 states that Current Liabilities like Accounts Payable generally grow in proportion to sales and are called Spontaneous Financing.
Uploaded by: Fani Warraich
English QUESTION #8284
Question 889
We are answerable _______ God.
  • Toโœ”๏ธ
  • Before
  • For
  • Of
Correct Answer Logic:
Answerable takes the preposition 'to' โ€” answerable to someone.
Uploaded by: Fani Warraich
Chemistry QUESTION #1074
Question 890
Assertion (A): Alkyl iodide (Rโ€“I) undergoes S\(_N\)2 reaction faster than alkyl chloride (Rโ€“Cl). Reason (R): Iodine is a better leaving group because of its large size.
  • A is true but R is false
  • A is false but R is true
  • Both A and R are true and R is the correct explanation of Aโœ”๏ธ
  • Both A and R are true but R is not the correct explanation of A
Correct Answer Logic:
Both A and R are true. Rโ€“I reacts faster in S\(_N\)2 than Rโ€“Cl because I\(^-\) is a much better leaving group โ€” it is larger, more polarizable, and the Cโ€“I bond is weaker. The large size of iodine means the Cโ€“I bond is longer and weaker, making it easier to break. R correctly explains A.
Uploaded by: Fani Warraich
Accounting & Finance QUESTION #6125
Question 891

Sales $800,000; Variable costs $480,000; Fixed costs $280,000. What sales revenue is required for a profit of $200,000?

  • $520,000
  • $960,000
  • $1,000,000โœ”๏ธ
  • $1,200,000
Correct Answer Logic:

Option C ($1,000,000) is correct.

CS ratio = ($800,000 − $480,000) ÷ $800,000 = 40%

Required sales = (Fixed costs + Target profit) ÷ CS ratio = ($280,000 + $200,000) ÷ 0.40 = $1,000,000

Uploaded by: Fani Warraich
Correct Answer Logic:
Work done $W$ is calculated by integrating the force over the distance: $W = \int_{0}^{L} (ax + bx^2) dx$. Performing the integration gives $[\frac{ax^2}{2} + \frac{bx^3}{3}]_0^L$, which simplifies to $\frac{aL^2}{2} + \frac{bL^3}{3}$.
Uploaded by: Fani Warraich
Chemistry QUESTION #1078
Question 893
Statement I: Ferromagnetism is considered as an extreme form of paramagnetism. Statement II: The number of unpaired electrons in Cr\(^{2+}\) ion (\(Z=24\)) is the same as that of Nd\(^{3+}\) ion (\(Z=60\)).
  • Statement I is true but Statement II is falseโœ”๏ธ
  • Statement I is false but Statement II is true
  • Both Statement I and Statement II are true
  • Both Statement I and Statement II are false
Correct Answer Logic:
Statement I is true โ€” ferromagnetism arises from cooperative alignment of magnetic dipoles in domains, and is indeed an extreme form of paramagnetism. Statement II: Cr\(^{2+}\) ([Ar]3d\(^4\)) has 4 unpaired electrons. Nd\(^{3+}\) ([Xe]4f\(^3\)) has 3 unpaired electrons. They are NOT the same. Statement II is false.
Uploaded by: Fani Warraich
Correct Answer Logic:
$N_2$ has the electronic configuration $(\sigma_{1s})^2(\sigma^*_{1s})^2(\sigma_{2s})^2(\sigma^*_{2s})^2(\pi_{2p})^4(\sigma_{2p})^2$ โ€” all electrons are paired โ†’ diamagnetic. $O_2$ and $S_2$ have unpaired electrons in $\pi^*$ orbitals โ†’ paramagnetic. $C_2$ has all electrons paired in $\pi$ orbitals and is also diamagnetic. Both $C_2$ and $N_2$ are diamagnetic, but $N_2$ is the more standard textbook answer.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering QUESTION #4050
Question 895
'Evaporative Capacity' of a boiler is expressed in:
  • $kg$ of steam produced per hourโœ”๏ธ
  • $Degrees$ Celsius
  • $psi$
  • $Liters$ of fuel
Correct Answer Logic:
It defines how much steam the boiler can generate under specific conditions.
Uploaded by: Fani Warraich
Correct Answer Logic:

$[\text{Cr(H}_2\text{O)}_6]\text{Cl}_3$: H$_2$O is neutral, Cl$^-$ is $-1$, complex has charge 3+. So Cr = +3.

$[\text{Cr(C}_6\text{H}_6)_2]$: Benzene is a neutral ligand (0 charge). Complex is neutral. So Cr = 0.

$\text{K}_2[\text{Cr(CN)}_2(\text{O})_2(\text{O}_2)(\text{NH}_3)]$: K$^+$ gives $+2$ outside; complex ion has $-2$ charge. CN$^-$ ($-1$ each, $2\times-1=-2$); O$^{2-}$ ($-2$ each, $2\times-2=-4$); O$_2^{2-}$ (peroxo, $-2$); NH$_3$ (0). Let Cr = $x$: $x + (-2) + (-4) + (-2) + 0 = -2 \Rightarrow x - 8 = -2 \Rightarrow x = +6$.

Oxidation states: +3, 0, +6.

Uploaded by: Fani Warraich
Reading and Writing (Module-1) QUESTION #5421
Question 897
While researching a topic, a student has taken the following notes: โ€ข Soo Sunny Park is a Korean American artist who uses light as her primary medium of expression. โ€ข She created her work Unwoven Light in 2013. โ€ข Unwoven Light featured a chain-link fence fitted with iridescent plexiglass tiles. โ€ข When light passed through the fence, colorful prisms formed. The student wants to describe Unwoven Light to an audience unfamiliar with Soo Sunny Park. Which choice most effectively uses relevant information from the notes to accomplish this goal?
  • Park's 2013 installation Unwoven Light, which included a chain-link fence and iridescent tiles made from plexiglass, featured light as its primary medium of expression.
  • Korean American light artist Soo Sunny Park created Unwoven Light in 2013.
  • The chain-link fence in Soo Sunny Park's Unwoven Light was fitted with tiles made from iridescent plexiglass.
  • In Unwoven Light, a 2013 work by Korean American artist Soo Sunny Park, light formed colorful prisms as it passed through a fence Park had fitted with iridescent tiles.โœ”๏ธ
Correct Answer Logic:
This choice identifies Park, dates the work, and describes what made it distinctive (colorful prisms from light through iridescent tiles).
Uploaded by: Fani Warraich
Correct Answer Logic:

Option D ($8,385) is correct.

Error 1: Returns $72 credited instead of debited → payable's balance overstated by $144 (wrong side = double error).

Error 2: Discount posted as $45 instead of $54 → understated by $9.

Ledger total = $8,232 + $144 + $9 = $8,385

Uploaded by: Fani Warraich
Correct Answer Logic:
The number of infected people doubles each day: $8 \rightarrow 16 \rightarrow 32 \rightarrow\ ?$. This is a geometric progression with common ratio $r = 2$. Next term $= 32 \times 2 = 64$ people.
Uploaded by: Fani Warraich
Nursing QUESTION #9188
Question 900
A Head Nurse is reviewing a study that reports: p = 0.03 with a significance level set at \(\alpha = 0.05\). Which conclusion is correct?
  • Fail to reject the null hypothesis; the result is not significant
  • Reject the null hypothesis; the result is statistically significantโœ”๏ธ
  • Accept the null hypothesis unconditionally
  • The result is clinically significant but not statistically significant
Correct Answer Logic:
Correct Answer: B

Decision rule for hypothesis testing:
  • If \(p \leq \alpha\): Reject the null hypothesis \((H_0)\)
  • If \(p > \alpha\): Fail to reject the null hypothesis
Here, \(p = 0.03 \leq \alpha = 0.05\), so we reject \(H_0\).

Important note: Statistical significance does not automatically mean clinical significance. A nurse must also evaluate effect size and practical relevance. Saying 'accept the null hypothesis' is incorrect terminology in research โ€” we only ever reject or fail to reject it.
Uploaded by: Fani Warraich