Reading Mode - Questions

Professional QUESTION #1839

Under Section 13(1), a civil servant shall retire from service on completing how many years of service qualifying for pension, if directed by the competent authority in the public interest?

Fifteen years
Eighteen years
Twenty years✔️
Twenty-five years

Correct Answer Logic:

Section 13(1)(i) as substituted by Ordinance No. XXXIV of 2001 provides that a civil servant shall retire on such date after completing twenty years of service qualifying for pension or other retirement benefits as the competent authority may, in public interest, direct. In the absence of such direction, retirement occurs at age sixty under clause (ii).

Uploaded by: Fani Warraich

Mathematics QUESTION #7457

Question 4922

If $L_1$ is the line of intersection of the planes $2x - 2y + 3z - 2 = 0$, $x - y + z + 1 = 0$ and $L_2$ is the line of intersection of the planes $x + 2y - z - 3 = 0$, $3x - y + 2z - 1 = 0$, then the distance of the origin from the plane containing the lines $L_1$ and $L_2$, is:

$\frac{1}{2\sqrt{2}}$✔️
$\frac{1}{\sqrt{2}}$
$\frac{1}{4\sqrt{2}}$
$\frac{1}{3\sqrt{2}}$

Correct Answer Logic:

First find direction vectors of $L_1$ and $L_2$. For $L_1$, cross product of normals $(2,-2,3)$ and $(1,-1,1)$ gives $\vec{d_1} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 2 & -2 & 3 \\ 1 & -1 & 1 \end{vmatrix} = \hat{i}(-2+3) - \hat{j}(2-3) + \hat{k}(-2+2) = \hat{i} + \hat{j}$, or $(1,1,0)$. For $L_2$, cross product of $(1,2,-1)$ and $(3,-1,2)$ gives $\vec{d_2} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \\ 1 & 2 & -1 \\ 3 & -1 & 2 \end{vmatrix} = \hat{i}(4-1) - \hat{j}(2+3) + \hat{k}(-1-6) = 3\hat{i} - 5\hat{j} - 7\hat{k}$, or $(3,-5,-7)$. Find a point on each line, then find the normal to the plane containing both lines by cross product of direction vectors. This is a lengthy calculation. The distance formula gives $\frac{1}{2\sqrt{2}}$.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8262

Question 4923

Which of the following individuals is recognized as one of the pioneers who helped create the internet?

Vinton Gray Cerf✔️
Bill Gates
Charles Babbage
Steve Jobs

Correct Answer Logic:

Vinton Cerf is widely known as one of the 'fathers of the internet' for his work on TCP/IP.

Uploaded by: Fani Warraich

Home Economics QUESTION #6235

Question 4924

The first step in the management process is:

Organizing
Planning✔️
Controlling
Evaluating

Correct Answer Logic:

Planning involves setting goals and determining the course of action to achieve them.

Uploaded by: Fani Warraich

Administration QUESTION #9542

Question 4925

Elton Mayo's Hawthorne experiments began as a study of physical conditions (lighting) on productivity but produced a result that invalidated the original hypothesis. What was the theoretical conclusion, and why did it matter for public administration specifically?

Productivity is maximized through scientific determination of optimal physical conditions for work
Group dynamics, social relationships and the feeling of being 'noticed' are more powerful drivers of productivity than physical variables✔️
Workers are fundamentally motivated by economic incentives and respond to wage-linked performance systems
Informal organizations always conflict with formal structures and must be managed through authority

Correct Answer Logic:

Both the control and experimental groups increased performance regardless of lighting changes. Mayo concluded that productivity was driven by social factors — morale, group belonging, managerial attention. For public administration, this shifted focus from mechanical efficiency (Classical School) to the human and social dimensions of organizational life.

Uploaded by: Fani Warraich

Verbal Reasoning QUESTION #8095

Question 4926

In the figure above, each of the four squares has sides of length $x$. If $\triangle PQR$ is formed by joining the centers of three of the squares, what is the perimeter of $\triangle PQR$ in terms of $x$?

$2x\sqrt{2}$
$\dfrac{x\sqrt{2}}{2}+x$
$2x+x\sqrt{2}$
✔️
$x\sqrt{2}+2$

Correct Answer Logic:

Each square has side length $x$, so the center of each square is at distance $\frac{x}{2}$ from each edge.

From the arrangement:

$P$ is the center of the top-left square at $\left(\frac{x}{2}, \frac{x}{2}\right)$
$Q$ is the center of the top-right square at $\left(\frac{3x}{2}, \frac{x}{2}\right)$
$R$ is the center of the bottom-right square at $\left(\frac{3x}{2}, \frac{3x}{2}\right)$

Distances:

$PQ = x$ (horizontal distance between adjacent centers)
$QR = x$ (vertical distance between adjacent centers)
$PR = \sqrt{x^2 + x^2} = x\sqrt{2}$ (diagonal)

Perimeter $= PQ + QR + PR = x + x + x\sqrt{2} = 2x + x\sqrt{2}$

Uploaded by: Fani Warraich

General Knowledge QUESTION #8834

Question 4927

Which country is NOT a member of SAARC?

Maldives
Bhutan
Myanmar (Burma)✔️
Sri Lanka

Correct Answer Logic:

Myanmar is not a member of SAARC.

Uploaded by: Fani Warraich

Chemistry QUESTION #5564

Question 4928

Which of the following compounds will behave as a reducing sugar in an aqueous KOH solution? (A free hemiacetal/anomeric –OH is required for reducing sugar property)

The furanose with two free –OH groups on anomeric carbon✔️
The furanose with –OCH₃ at anomeric position
The furanose with –OCOCH₃ at anomeric position
The pyranose with –CH₂OCH₃ group

Correct Answer Logic:

A reducing sugar must have a free anomeric –OH (hemiacetal) that can open to give an aldehyde/ketone form. Option A shows a furanose ring with a free –OH at the anomeric carbon, which can open and reduce. Options B and C have the anomeric –OH blocked as an ether or ester (non-reducing). Option D also has a blocked anomeric position.

Uploaded by: Fani Warraich

English QUESTION #7638

Question 4929

Change the voice: When will you buy a car?

When will a car be bought by you?✔️
When a car will be bought by you?
When will be a car bought by you?
None of these

Correct Answer Logic:

In interrogative sentences, when changing to passive voice, the question word remains at the beginning. The structure is: Question word + will + object + be + past participle + by + subject. Therefore, 'When will you buy' becomes 'When will be bought by you'.

Uploaded by: Fani Warraich

Pakistan Affairs QUESTION #608

Question 4930

Whose behaviour disheartened M.A. Jinnah, leading him to decide to stay away from India?

M.K Gandhi
Jawahar Lal Nehru
Sardar Patel
None of these✔️

Correct Answer Logic:

Jinnah was disillusioned by the overall political atmosphere, specifically after the 1928 Nehru Report and the Lucknow Pact's failure .

Uploaded by: Fani Warraich

Mathematics QUESTION #7441

Question 4931

The number of points, having both coordinates as integers, that lie in the interior of the triangle with vertices (0, 0), (0, 41) and (41, 0), is:

901
861
820
780✔️

Correct Answer Logic:

Using Pick's theorem: Area = $I + \frac{B}{2} - 1$, where I is interior points and B is boundary points. The triangle has area $\frac{1}{2} \times 41 \times 41 = \frac{1681}{2}$. Boundary points: on the x-axis from (1,0) to (40,0) are 40 points, on y-axis from (0,1) to (0,40) are 40 points, vertices are 3 points, and on hypotenuse $x+y=41$ from (1,40) to (40,1) are 39 points. Total B = 40+40+3+39 = 122. But actually the vertices shouldn't be counted separately. Let me recalculate: B = 40 + 40 + 39 + 3 = 122. Using Pick's theorem: $\frac{1681}{2} = I + \frac{122}{2} - 1$, so $I = \frac{1681}{2} - 61 + 1 = \frac{1681 - 120}{2} = \frac{1561}{2}$. This doesn't give an integer, so let me use the direct formula. For a triangle with vertices at $(0,0), (a,0), (0,a)$, interior lattice points = $\frac{(a-1)(a-2)}{2} + (a-1) = \frac{(a-1)a}{2} - 1$. Wait, the correct formula for this specific right triangle is $\frac{(41-1)(41-2)}{2} = \frac{40 \times 39}{2} = 780$.

Uploaded by: Fani Warraich

Chemistry QUESTION #454

Question 4932

With increase in number of unpaired electrons

paramagnetism:✔️
Increases
Decreases
Remains constant

Correct Answer Logic:

No explanation provided for this question.

Uploaded by: Fani Warraich

Physics QUESTION #383

Question 4933

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

Home Economics QUESTION #6247

Question 4934

A 'Flashcard' is an example of which type of extension aid?

Audio aid
Visual aid✔️
Audio-visual aid
Electronic aid

Correct Answer Logic:

Visual aids rely on sight to convey information or reinforce a message.

Uploaded by: Fani Warraich

General Knowledge QUESTION #4816

Question 4935

The theory proposing that a single dominant power (hegemon) can maintain global stability is called?

Balance-of-power theory
Socialist theory
Hegemonic stability theory✔️
Deterrence theory

Correct Answer Logic:

Hegemonic Stability Theory, developed by economists and IR scholars, argues that a dominant state (hegemon) is necessary to maintain a stable international economic and political order.

Uploaded by: Fani Warraich

Egnlish QUESTION #722

Question 4936

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.

Uploaded by: Fani Warraich

Biology QUESTION #7262

Question 4937

Thermococcus, Methanococcus and Methanobacterium exemplify:

Bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
Bacteria that contain a cytoskeleton and ribosomes
Archaebacteria that contain proteins homologous to eukaryotic core histones✔️
Archaebacteria that lack any histones resembling those in eukaryotes but whose DNA is negatively supercoiled

Correct Answer Logic:

These three organisms are all Archaebacteria. Their chromatin contains histone-like proteins homologous to eukaryotic core histones (H3 and H4 homologs), which is a unique feature of archaea among prokaryotes. This partly explains why archaea are considered more closely related to eukaryotes in the three-domain classification.

Uploaded by: Fani Warraich

English QUESTION #2699

Question 4938

Where should a semicolon be used?

To join two independent clauses.✔️
To introduce a list.
To show possession.
To end a question.

Correct Answer Logic:

A semicolon joins two closely related independent clauses without a coordinating conjunction.

Uploaded by: Fani Warraich

Biology Zoology Botany QUESTION #1357

Question 4939

Which organelle is involved in modifying, sorting, and packaging proteins for secretion?

Endoplasmic reticulum
Golgi apparatus✔️
Lysosome
Peroxisome

Correct Answer Logic:

The Golgi apparatus (Golgi complex) is the cell's main processing and distribution centre for proteins and lipids. Proteins synthesised in the rough endoplasmic reticulum are transported to the Golgi where they are modified (glycosylation, phosphorylation), sorted, and packaged into vesicles for secretion, delivery to lysosomes, or incorporation into the plasma membrane.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8721

Question 4940

The playground for playing baseball is called:

Diamond✔️
Court
Ring
Rink

Correct Answer Logic:

A baseball field is often called a diamond due to its shape.

Uploaded by: Fani Warraich

More Options

Suggest a Question