Reading Mode - Questions

Accounting Finance and Punjab Sales Tax on Services QUESTION #2576

Under section 9(1), when a service is provided over a period of time with periodic payments, how is the service treated for tax purposes?

As a single service taxable at the date of first payment
As comprising two or more separate and distinct services, each corresponding to the part of the service to which each separate payment relates✔️
The entire service is taxable when the contract is signed
Tax is chargeable only upon final completion of the service

Correct Answer Logic:

Section 9(1) treats periodically paid services as COMPRISING TWO OR MORE SEPARATE AND DISTINCT SERVICES, each corresponding to the part to which each separate payment relates. However, section 9(2) clarifies this does NOT apply to services paid on installment basis.

Uploaded by: Fani Warraich

Chemistry QUESTION #5526

Question 2

What is the maximum concentration of dissolved oxygen (DO) that can be present in cold water?

14 ppm✔️
8 ppm
10 ppm
16 ppm

Correct Answer Logic:

Dissolved oxygen (DO) levels depend on temperature — colder water can hold more dissolved oxygen. In cold water, DO can reach up to 14 ppm. Normal clean river water has DO around 8–10 ppm. A DO below 6 ppm is harmful to aquatic life. The correct answer is 14 ppm.

Uploaded by: Fani Warraich

English QUESTION #7871

Question 3

Fill in the blank: He has been working ______ this project for two weeks.

At
By
To
On✔️

Correct Answer Logic:

The correct preposition is 'on' when referring to working on a task or project. 'Working on a project' is the standard phrase.

Uploaded by: Fani Warraich

MCQs Section QUESTION #4857

Question 4

Choose the correct synonym of "LACUNAE"

Tiny marine life
Shallow water
Local dialect
Missing parts✔️

Correct Answer Logic:

Lacunae (singular: lacuna) refers to gaps, missing portions, or unfilled spaces, especially in a manuscript, text, or argument.

Uploaded by: Fani Warraich

Education QUESTION #6772

Question 5

A student at the SOLO Taxonomy's 'Extended Abstract' level is asked: 'How does the concept of formative assessment relate to Vygotsky's Zone of Proximal Development?' Their response correctly links both concepts, generalizes the principle to other pedagogical models, and generates a new theoretical proposition. Which SOLO indicator verbs best describe this performance?

Enumerate, classify, describe
Identify, memorize, do simple procedure
Theorize, generalize, hypothesize, reflect✔️
Compare, contrast, integrate, apply

Correct Answer Logic:

At the Extended Abstract level, students transcend the given content domain, make connections to other areas, and think hypothetically. Key indicator verbs include: theorize, generalize, hypothesize, reflect, and generate. The response described — linking to another theory, generalizing the principle, and proposing a new idea — precisely matches these verbs.

Uploaded by: Fani Warraich

Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5798

Question 6

An 'Adulterated' drug is one which contains a color other than the one prescribed. True or False?

True✔️
False
Partially True
None of these

Correct Answer Logic:

Adulteration includes using unprescribed coloring agents[cite: 7].

Uploaded by: Fani Warraich

English QUESTION #2745

Question 7

Identify the ERROR in: 'She is more smarter than her sister.'

She
is
more
smarter✔️

Correct Answer Logic:

'Smarter' is already a comparative adjective. Adding 'more' creates a double comparative, which is grammatically incorrect. It should be either 'smarter' or 'more smart'.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8999

Question 8

The red color of blood is due to the presence of which pigment?

Chlorophyll
Insulin
Bile
Hemoglobin✔️

Correct Answer Logic:

Hemoglobin gives blood its red color.

Uploaded by: Fani Warraich

Physics QUESTION #7316

Question 9

A body moves eastward at $30\text{ m/s}$. After 10 s its velocity becomes $40\text{ m/s}$ northward. The magnitude of average acceleration is:

$1\text{ m/s}^2$
$7\text{ m/s}^2$
$\sqrt{7}\text{ m/s}^2$
$5\text{ m/s}^2$✔️

Correct Answer Logic:

Change in velocity: $\Delta\vec{v} = 40\hat{j} - 30\hat{i}$

$|\Delta v| = \sqrt{30^2 + 40^2} = \sqrt{900+1600} = \sqrt{2500} = 50\text{ m/s}$

Average acceleration $= \dfrac{50}{10} = \mathbf{5\text{ m/s}^2}$

Uploaded by: Fani Warraich

Chemistry QUESTION #7349

Question 10

The energy of the second Bohr orbit of hydrogen atom is $-328$ kJ/mol. Based on this, the energy of the fourth Bohr orbit will be:

$-41$ kJ/mol
$-1312$ kJ/mol
$-164$ kJ/mol
$-82$ kJ/mol✔️

Correct Answer Logic:

Bohr's energy formula: $E_n = \dfrac{E_1}{n^2}$

Given $E_2 = -328$ kJ/mol, so $E_1 = -328 imes 4 = -1312$ kJ/mol.

$E_4 = \dfrac{-1312}{16} = -82$ kJ/mol

Key point: as $n$ increases, energy becomes less negative — outer orbits are less tightly bound.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8928

Question 11

In which year did the French Revolution begin?

1775
1780
1785
1789✔️

Correct Answer Logic:

The French Revolution started in 1789.

Uploaded by: Fani Warraich

Logical Reasoning QUESTION #3955

Question 12

Despite their microscopic size, there are very few biological materials that these _____ cannot _____.

undermine✔️
disseminate
aerate
exterminate

Correct Answer Logic:

1

Uploaded by: Fani Warraich

Mathematics QUESTION #976

Question 13

If the system of linear equations $x+y+2z=6$, $2x+3y+az=a+1$, $-x-3y+bz=2b$, where $a,b\in\mathbb{R}$, has infinitely many solutions, then $7a+3b$ is equal to:

16✔️
12
22
9

Correct Answer Logic:

For infinitely many solutions, the determinant of coefficient matrix $=0$ and the augmented matrix is consistent. Solving the determinant condition and consistency condition gives $a$ and $b$, then $7a+3b=16$.

Uploaded by: Fani Warraich

Civil Engineering QUESTION #6646

Question 14

Why is 'Skin Reinforcement' required in deep RC beams?

To increase the shear capacity
To control crack widths in the tension zone of the web✔️
To prevent surface spalling during fire
To assist in the placement of stirrups

Correct Answer Logic:

In deep beams, the distance between the neutral axis and the main tension steel is large; skin steel prevents large cracks from forming in the web area.

Uploaded by: Fani Warraich

Verbal Reasoning QUESTION #8171

Question 15

A water supply at a desert outpost is sufficient to last 21 days for a group of 15 people. At the same average rate of consumption per person per day, how many days would that same water supply last for a group of only 9 people?

$28.0$ days
$32.5$ days
$35.0$ days✔️
$37.5$ days

Correct Answer Logic:

Total water supply $=$ (people) $\times$ (days) $\times$ (rate per person per day).

Total supply $= 15 \times 21 = 315$ person-days.

For 9 people: days $= \dfrac{315}{9} = 35$ days.

Answer: 35.0 days.

Uploaded by: Fani Warraich

Mathematics QUESTION #4095

Question 16

For $f(x,y)=xy-2x$ on the triangular region with vertices $(0,0),(4,0),(0,4)$, evaluating on the edge from $(0,4)$ to $(4,0)$ (line $x+y=4$, i.e., $y=4-x$), $f$ becomes a function of $x$ only as:

\$f = x(4-x)-2x = -x^2+2x\$✔️
$f = 4x-x^2$
$f = x(4-x)-2x = -x^2+2x$
\$f = 4x-2x = 2x\$

Correct Answer Logic:

Substitute $y=4-x$ into $f=xy-2x$: $f=x(4-x)-2x=4x-x^2-2x=-x^2+2x$. Maximizing: $f'=-2x+2=0\Rightarrow x=1$, giving $f(1,3)=-1+2=1$. This is a candidate for absolute extremum.

Uploaded by: Fani Warraich

Medicinal Chemistry and Biopharmaceutics QUESTION #3821

Question 17

How many grams of ingredient A are required to prepare $500$ mL of a stock solution, from which $25$ mL diluted to $100$ mL yields a $1{:}2000$ (w/v) solution?

$0.1$ g
$1$ g✔️
$1.25$ g
$2.5$ g

Correct Answer Logic:

Final concentration $= \dfrac{1}{2000} = 0.05\%\ \text{w/v}$. In $100$ mL $= 0.05$ g. In $25$ mL of stock: $0.05$ g. Stock concentration $= \dfrac{0.05}{25} \times 100 = 0.2\%\ \text{w/v}$. In $500$ mL stock: $\dfrac{0.2 \times 500}{100} = 1\ \text{g}$.

Uploaded by: Fani Warraich

Nursing QUESTION #9287

Question 18

The Rule of Nines is used in burn assessment. A patient has burns covering the entire right arm and anterior trunk. What percentage of TBSA (Total Body Surface Area) is burned?

27%
✔️
36%
18%
45%

Correct Answer Logic:

The Rule of Nines for adult burn assessment:

Body Region	TBSA %
Head and neck	9%
Each upper limb (arm)	9%
Anterior trunk	18%
Posterior trunk	18%
Each lower limb (leg)	18%
Perineum/genitalia	1%
Total	100%

Uploaded by: Fani Warraich

Mathematics QUESTION #6030

Question 19

Let $f:\mathbb{R}\to\mathbb{R}$ be differentiable with $|f(x)-f(y)|\le 2|x-y|^{3/2}$ for all $x,y\in\mathbb{R}$. If $f(0)=1$, evaluate $\displaystyle\int_0^1 f^2(x)\,dx$.

1✔️
2
$\dfrac{1}{2}$

Correct Answer Logic:

From the condition $|f(x)-f(y)|\le 2|x-y|^{3/2}$, divide both sides by $|x-y|$:

$\left|\frac{f(x)-f(y)}{x-y}\right|\le 2|x-y|^{1/2}$

Taking $y\to x$: $|f'(x)|\le 2\cdot0=0$, so $f'(x)=0$ for all $x$.

Hence $f$ is constant. Since $f(0)=1$, we have $f(x)=1$ for all $x$.

$\int_0^1 f^2(x)\,dx = \int_0^1 1\,dx = \mathbf{1}$

Uploaded by: Fani Warraich

General Ability and Fire Fighting QUESTION #5626

Question 20

Which firefighting method would be MOST appropriate for a small cooking oil fire on a stove?

Applying water directly to the fire
Covering the pan with a lid to smother it✔️
Using a CO2 extinguisher
Applying dry powder

Correct Answer Logic:

Covering the pan with a lid removes oxygen (smothering)

Uploaded by: Fani Warraich

More Options

Suggest a Question