Reading Mode - Questions

Mathematics QUESTION #7434

If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30°, 45° and 60° respectively, then the ratio AB : BC is:

$\sqrt{3}:1$✔️
$\sqrt{3}:\sqrt{2}$
$1:\sqrt{3}$
2:03

Correct Answer Logic:

Let the height of tower be $h$ and distances from tower foot be $x_A, x_B, x_C$. From the angles: $\tan(30°) = \frac{h}{x_A}$ gives $x_A = h\sqrt{3}$; $\tan(45°) = \frac{h}{x_B}$ gives $x_B = h$; $\tan(60°) = \frac{h}{x_C}$ gives $x_C = \frac{h}{\sqrt{3}}$. Since points are collinear with C closest to tower: $AB = x_A - x_B = h\sqrt{3} - h = h(\sqrt{3}-1)$ and $BC = x_B - x_C = h - \frac{h}{\sqrt{3}} = h\frac{\sqrt{3}-1}{\sqrt{3}}$. Therefore, $\frac{AB}{BC} = \frac{h(\sqrt{3}-1)}{h\frac{\sqrt{3}-1}{\sqrt{3}}} = \sqrt{3}$. The ratio is $\sqrt{3}:1$.

Uploaded by: Fani Warraich

MBBS QUESTION #10371

Question 2

The polymerase chain reaction (PCR), used to exponentially amplify a specific target DNA sequence in vitro, consists of which three essential, repeated cyclic steps?

Denaturation (strand separation), annealing (primer binding), and extension (elongation)✔️
Transcription, translation, and replication
Ligation, restriction enzyme digestion, and gel electrophoresis
Centrifugation, filtration, and chemical precipitation

Correct Answer Logic:

Each PCR cycle involves heat denaturation of double-stranded DNA, annealing of short complementary primers to the target sequence at a lower temperature, and extension of new DNA strands by a heat-stable DNA polymerase (e.g., Taq polymerase) — repeated cycles exponentially amplify the target sequence, forming the basis of modern molecular diagnostics.

Uploaded by: Fani Warraich

Quantitative Reasoning QUESTION #8015

Question 3

Choose the word that is most nearly opposite in meaning to DIVULGE

keep secret
evaluate by oneself
refine
restore✔️

Correct Answer Logic:

DIVULGE means to reveal or disclose secret information. The direct opposite is to keep secret: if divulging is revealing what was hidden, keeping secret is concealing or not revealing information.

Uploaded by: Fani Warraich

Journalism / Mass Communication QUESTION #6411

Question 4

In the context of media stereotyping, the textbook discusses the beauty image in media as a case study. Which of the following CORRECTLY represents the textbook's argument about the economic motivation behind beauty stereotypes in advertising?

Beauty standards in advertising are set by government regulatory agencies to promote healthy body images
The beauty industry deliberately presents an ideal difficult to achieve in order to ensure continuous consumer demand for cosmetics, diet products, and anti-aging treatments — the stakes are estimated at $100 billion per year for the diet industry alone✔️
Beauty standards are driven by scientific research into optimal health metrics
Media beauty standards have no measurable impact on consumer behaviour or self-image

Correct Answer Logic:

The textbook presents a compelling economic analysis of beauty stereotyping in media: “By presenting an ideal difficult to achieve and maintain the cosmetic and diet product industries are assured of growth and profits.” Key facts cited:

The diet industry alone is estimated to be worth $100 billion (U.S.) per year
Research links exposure to unrealistic media body images to depression, loss of self-esteem, and eating disorders
35% of girls aged 6–12 had been on at least one diet; 50–70% of normal-weight girls believed they were overweight (Teen magazine, 2003)
One in four college-aged women used unhealthy weight control methods

The textbook quotes activist Jean Kilbourne: “Women are sold to the diet industry by the magazines we read and the television programs we watch.” This case study illustrates how commercial stereotyping can have serious public health consequences, going far beyond mere aesthetic preferences.

Uploaded by: Fani Warraich

Maths QUESTION #4529

Question 5

Simplify: $\sqrt{50}$

$5\sqrt{2}$✔️
$25$
$2\sqrt{5}$
$10\sqrt{5}$

Correct Answer Logic:

$\sqrt{50} = \sqrt{25 \times 2} = \sqrt{25} \times \sqrt{2} = 5\sqrt{2}$

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3577

Question 6

'Starch' grains can be identified under a microscope by their characteristic:

Color
Hilum and Striations✔️
Weight
Taste

Correct Answer Logic:

The shape and position of the hilum help identify the source of starch (e.g., Potato vs Maize).

Uploaded by: Fani Warraich

Islamic Studies QUESTION #8209

Question 7

On his way back from the Battle of Tabook, the Holy Prophet (PBUH) ordered to demolish which mosque?

Quba
Zarrar✔️
Shuhada
Namra

Correct Answer Logic:

After returning from the Battle of Tabuk (9 AH), the Prophet (PBUH) ordered the demolition of Masjid al-Dirar (Mosque of Harm). This mosque was built by hypocrites in Medina with malicious intent—not for worship but to create division among Muslims and provide a base for enemy activities. The Quran revealed verses (9:107-108) exposing their hypocrisy. The mosque was demolished and burned, and the site was turned into a garbage dump to prevent its reconstruction.

Uploaded by: Fani Warraich

English QUESTION #8435

Question 8

Identify the incorrectly spelled word:

Nursery
Secondary
Library
Primary✔️

Correct Answer Logic:

All seem correct. Option D 'Primary' — but actually all correct. Key says D? Possibly 'Primary' misspelled? No. Given key, D is wrong.

Uploaded by: Fani Warraich

Aptitude QUESTION #10953

Question 9

Which type of arch distributes loads purely along its axis with no bending moment, and what is its geometric form?

Round arch; semicircle
Catenary arch; inverted hanging chain curve✔️
Pointed arch; two circular arcs
Flat arch; horizontal beam

Correct Answer Logic:

A catenary arch is the ideal structural arch form:

Shape = the curve formed by a hanging chain or rope (catena = chain in Latin), inverted.
Under uniform self-weight loading, a catenary arch carries loads purely in compression along its axis — no bending, no tension.
Structurally optimal — zero bending moment throughout.
Famous example: Antonio Gaudí used catenary arches in Sagrada Família; Eero Saarinen's Gateway Arch (St. Louis) is a weighted catenary.

Round arches and pointed arches do experience bending under non-uniform loads.

Uploaded by: Fani Warraich

Civil Procedure QUESTION #3737

Question 10

A witness is testifying about a car accident. The witness says, 'Right after the crash, a bystander yelled, "That blue car just ran the red light!"' The bystander is not available to testify. Is the bystander's statement admissible?

No, it is hearsay.
Yes, as an 'Excited Utterance.'✔️
Yes, as a 'Prior Inconsistent Statement.'
No, unless the witness is an expert.

Correct Answer Logic:

An excited utterance is a statement relating to a startling event or condition, made while the declarant was under the stress of excitement that it caused. It is a valid exception to the hearsay rule.

Uploaded by: Fani Warraich

MCQs Section QUESTION #5275

Question 11

'اردو شاعری پر ایک نظر' کے مصنف ہیں؟

کلیم الدین احمد✔️
ڈاکٹر عبادت بریلوی
مسعود حسن رضوی ادیب
ڈاکٹر رؤف پاریکھ

Correct Answer Logic:

اردو شاعری پر ایک نظر کلیم الدین احمد کی مشہور تنقیدی تصنیف ہے۔

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #11429

Question 12

The part of the brain which controls the body temperature is called or is located in:

Medulla oblongata
Hypothalamus✔️
Midbrain
Cerebellum

Correct Answer Logic:

The hypothalamus is the thermoregulatory center of the brain, acting as the body's 'thermostat'. It monitors blood temperature via thermoreceptors and initiates responses to maintain 37°C: vasodilation, sweating, and panting to lose heat; vasoconstriction, shivering, and increased metabolism to conserve/generate heat.

Uploaded by: Fani Warraich

Quantitative Reasoning QUESTION #8011

Question 13

Choose the word pair that best expresses a relationship similar to that of CURIOSITY : KNOW

temptation : conquer
starvation : eat
wanderlust : travel✔️
humor : laugh

Correct Answer Logic:

Curiosity is a desire or drive to know. Wanderlust : travel shows the same relationship: wanderlust is a strong desire to travel, just as curiosity is a desire to know. Both represent an urge or motivation toward the action.

Uploaded by: Fani Warraich

Physics QUESTION #1028

Question 14

Three identical heat conducting rods in series: outer rods have conductivity $2K$, middle rod has conductivity $K$. Left end at $3T$, right end at $T$. The ratio $T_1/T_2$ (left junction to right junction temperature) is:

$\dfrac{5}{3}$✔️
$\dfrac{5}{4}$
$\dfrac{3}{2}$
$\dfrac{4}{3}$

Correct Answer Logic:

In steady state, heat flow rate $Q$ is same through all rods. Let each rod have length $L$ and area $A$. $\frac{2KA(3T-T_1)}{L} = \frac{KA(T_1-T_2)}{L} = \frac{2KA(T_2-T)}{L}$. From 1st and 3rd: $2(3T-T_1)=2(T_2-T)\Rightarrow 3T-T_1=T_2-T\Rightarrow T_1+T_2=4T$. From 1st and 2nd: $2(3T-T_1)=T_1-T_2\Rightarrow 6T-2T_1=T_1-T_2\Rightarrow 3T_1-T_2=6T$. Solving: $T_1=\frac{5T}{2}, T_2=\frac{3T}{2}$. Ratio $=\frac{5/2}{3/2}=\frac{5}{3}$.

Uploaded by: Fani Warraich

Boilers Mechanical Engineering QUESTION #2437

Question 15

The damping ratio (critical damping ratio) $\zeta$ for a viscously damped system is defined as:

$\zeta = c\omega_n / k$
$\zeta = c / c_{cr} = c / (2m\omega_n)$✔️
$\zeta = c / (2k)$
$\zeta = \sqrt{c / (2mk)}$

Correct Answer Logic:

The damping ratio $\zeta = c/c_{cr} = c/(2m\omega_n) = c/(2\sqrt{km})$. Systems with $\zeta<1$ are underdamped, $\zeta=1$ critically damped, and $\zeta>1$ overdamped.

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #11285

Question 16

Which of the following is a density-dependent limiting factor for population growth?

Natural disasters
Climate change
Disease outbreak✔️
Seasonal temperature fluctuations

Correct Answer Logic:

Density-dependent factors affect population growth based on population density. Disease outbreaks spread more easily in dense populations. Natural disasters, climate change, and temperature fluctuations are density-independent factors that affect populations regardless of size.

Uploaded by: Fani Warraich

MCQs Section QUESTION #5118

Question 17

شاعرِ شباب کس شاعر کو کہا جاتا ہے؟

حسرت موہانی
آغا حشر کاشمیری
جوش ملیح آبادی✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

جوش ملیح آبادی کو 'شاعرِ شباب' کہا جاتا ہے کیونکہ ان کی شاعری میں جوانی اور انقلابی جذبات کا بیان ملتا ہے۔

Uploaded by: Fani Warraich

Tourism & Hospitality Management QUESTION #1650

Question 18

The Emerging Trends course addresses 'the future of online tourism and hospitality' in Module 7. Which specific digital trends are identified as shaping the future of online travel?

Only the growth of hotel booking websites
Mobile technology, Semantic Web, Customization, Media vs. Transaction Models, Differentiation Beyond Price, Social Media, and Metasearch (Travel Search Engines)✔️
The replacement of all travel agents with artificial intelligence by 2025
Government regulation of online travel platforms

Correct Answer Logic:

Module 7 of the Emerging Trends course — 'What's Next for Online Tourism and Hospitality' — specifically identifies: Mobile technology, Semantic Web, Customization, Media Versus Transaction Models, Differentiation Beyond Price, Travel Company Media Offerings/Monetizing Downstream Traffic, Social Media, and Metasearch (Travel Search Engines) as the key digital forces reshaping online tourism.

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3167

Question 19

The process of 'Mitosis' results in:

Two identical daughter cells✔️
Four different daughter cells
One large cell
No cells

Correct Answer Logic:

Mitosis is for growth and repair, producing exact genetic copies.

Uploaded by: Fani Warraich

Nursing QUESTION #9191

Question 20

In Virginia Henderson's Need Theory, nursing is defined in relation to how many fundamental human needs?

10
12
14✔️
16

Correct Answer Logic:

Correct Answer: C — 14 fundamental needs

Virginia Henderson (1955) identified 14 fundamental components of nursing care based on basic human needs. These include:

Breathe normally
Eat and drink adequately
Eliminate body wastes
Move and maintain posture
Sleep and rest
Select suitable clothes
Maintain body temperature
Keep body clean and protect integument
Avoid environmental dangers
Communicate with others
Worship according to one's faith
Work and sense accomplishment
Play and participate in recreation
Learn, discover, or satisfy curiosity

Henderson's definition of nursing focuses on assisting patients to perform these activities they would do unaided if they had the strength, will, or knowledge.

Uploaded by: Fani Warraich

More Options

Suggest a Question