Reading Mode - Questions

Physics QUESTION #7322

Two cars P and Q start simultaneously from the same point. Their positions are $x_P(t) = at + bt^2$ and $x_Q(t) = ft - t^2$. At what time do they have equal velocities?

$\dfrac{a+f}{2(1+b)}$
$\dfrac{f-a}{2(1+b)}$✔️
$\dfrac{a-f}{1+b}$
$\dfrac{a+f}{2(b-1)}$

Correct Answer Logic:

$v_P = a + 2bt$, $\quad v_Q = f - 2t$

Setting equal: $a + 2bt = f - 2t \Rightarrow 2t(b+1) = f-a \Rightarrow t = \mathbf{\dfrac{f-a}{2(1+b)}}$

Uploaded by: Fani Warraich

Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3281

Question 3822

The protein coat that surrounds the viral nucleic acid is called the:

Envelope
Capsid✔️
Capsomere
Peplomer

Correct Answer Logic:

The capsid protects the viral genome from environmental damage.

Uploaded by: Fani Warraich

Physical Education QUESTION #6803

Question 3823

The transition from 'Gymnastics' to 'Physical Education' in the late 19th century signified a shift toward:

Solely focusing on muscular hypertrophy
A broader scientific and educational framework for human movement✔️
Ending the inclusion of physical activity in schools
A return to ancient gladiatorial combat styles

Correct Answer Logic:

This shift represented the professionalization of the field, incorporating physiology, psychology, and pedagogy into movement science.

Uploaded by: Fani Warraich

Mathematics QUESTION #4155

Question 3824

Three forces of magnitudes $3N$, $4N$, $5N$ act along the sides of a triangle forming a closed loop. What is their resultant?

$12N$
$0N$✔️
$\sqrt{50}N$
$1N$

Correct Answer Logic:

If forces act along sides of a triangle forming a closed loop (in equilibrium), by triangle law of vector addition, $\vec{F_1} + \vec{F_2} + \vec{F_3} = \vec{0}$. Resultant is zero.

Uploaded by: Fani Warraich

Mathematics QUESTION #966

Question 3825

If $A$ and $B$ are two events such that $P(A \cap B) = 0.1$, and $P(A|B)$ and $P(B|A)$ are the roots of the equation $12x^2 - 7x + 1 = 0$, then the value of $\dfrac{P(\overline{A} \cup \overline{B})}{P(\overline{A} \cap \overline{B})}$ is:

$\dfrac{4}{3}$
$\dfrac{7}{4}$
$\dfrac{5}{3}$
$\dfrac{9}{4}$✔️

Correct Answer Logic:

Roots of $12x^2-7x+1=0$ are $\frac{1}{3}$ and $\frac{1}{4}$. Since $P(A|B)=\frac{P(A\cap B)}{P(B)}=\frac{1}{3}$ gives $P(B)=0.3$, and $P(B|A)=\frac{1}{4}$ gives $P(A)=0.4$. Then $P(A\cup B)=0.6$, $P(\overline{A}\cup\overline{B})=1-0.1=0.9$, $P(\overline{A}\cap\overline{B})=0.4$. Ratio $=\frac{0.9}{0.4}=\frac{9}{4}$.

Uploaded by: Fani Warraich

Biology Zoology Botany QUESTION #1364

Question 3826

Which group of organisms is known for having chloroplasts in every cell?

Fungi
Algae✔️
Bryophytes
Lichens

Correct Answer Logic:

Algae contain chloroplasts in every photosynthetic cell of their thallus. Algal chloroplasts come in diverse shapes (cup-shaped, ribbon-like, stellate) and contain photosynthetic pigments. Fungi have no chloroplasts at all (they are heterotrophs). Bryophytes have chloroplasts in their green cells but not every cell (e.g., rhizoids lack them). Lichens are fungal-algal symbioses.

Uploaded by: Fani Warraich

Physics QUESTION #1175

Question 3827

In nuclear physics, the magic number defines:

Nuclear binding energy
Relatively exceptionally stable nuclei✔️
Radioactivity
None of these

Correct Answer Logic:

Magic numbers (2, 8, 20, 28, 50, 82, 126) are specific numbers of protons or neutrons that result in exceptionally stable nuclei. Nuclei with magic numbers have completely filled nuclear shells, analogous to noble gas electron configurations in atomic physics, giving them extra stability.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8628

Question 3828

What does the term 'Brain Drain' refer to?

A mad person
Migration of skilled labor to other countries✔️
Emigration of intellectuals
Illiteracy and ignorance

Correct Answer Logic:

Brain drain is the emigration of highly trained professionals.

Uploaded by: Fani Warraich

General Knowledge QUESTION #8594

Question 3829

Where is the island country of Cuba located?

Indian Ocean
Atlantic Ocean✔️
Pacific Ocean
Arctic Ocean

Correct Answer Logic:

Cuba is located in the Caribbean Sea, part of the Atlantic Ocean.

Uploaded by: Fani Warraich

MCQs Section QUESTION #5038

Question 3830

'جوتیاں چٹخانا' محاورے کا مفہوم کیا ہے؟

نئی جوتی زیب پا کرنا
جوتیاں بغل میں دے لینا
ڈرانا دھمکانا
مارے مارے پھرنا✔️

Correct Answer Logic:

جوتیاں چٹخانا محاورے کا مطلب ہے بے مقصد مارے مارے پھرنا۔

Uploaded by: Fani Warraich

Disaster Management QUESTION #6556

Question 3831

What represents the most significant limitation of relying solely on structural measures for flood risk reduction?

High costs
Failure to address upstream catchment degradation, urban planning issues, and climate change, potentially creating false security✔️
Engineering complexity
Maintenance requirements

Correct Answer Logic:

Section 8 emphasizes combining structural measures with Eco-DRR, risk-sensitive planning, and climate adaptation. Structural measures alone don't address root causes (land use changes, ecosystem degradation, climate impacts) and can create moral hazard by encouraging development in protected but still at-risk areas.

Uploaded by: Fani Warraich

General Knowledge QUESTION #265

Question 3832

The recent escalation in Palestinian-Israel Conflict occurred on:

6 October 2023
7 October 2023✔️
8 October 2023
None of these

Correct Answer Logic:

The escalation began with a major attack on October 7, 2023.+1

Uploaded by: Fani Warraich

Business, Public administration and Policy QUESTION #10504

Question 3833

A central theme of the government "reinvention" movement in public administration is the call for:

Expanding the size and scope of the bureaucracy
Standardized, rule-bound methods of problem-solving
Raising taxes to fund expanded public services
More entrepreneurial and innovative forms of government✔️

Correct Answer Logic:

The 'Reinventing Government' movement (Osborne & Gaebler, 1992) advocated replacing bureaucratic rigidity with entrepreneurial governance — government that competes, focuses on results, is customer-driven, decentralized, and market-oriented. It became the intellectual foundation for NPM reforms globally, including the Clinton-Gore 'National Performance Review' in the USA.

Uploaded by: Fani Warraich

MCQs Section QUESTION #5175

Question 3834

درج ذیل میں سے کون سی شخصیت اقبال شناس شاعر تھی؟

نیاز فتح پوری
مستنصر حسین تارڑ
رفیع الدین ہاشمی✔️
وزیر آغا

Correct Answer Logic:

رفیع الدین ہاشمی ایک معروف اقبال شناس محقق اور ناقد ہیں جنہوں نے اقبال پر بہت کام کیا۔

Uploaded by: Fani Warraich

Math Physics Chemistry Biology QUESTION #11423

Question 3835

A group of organisms with similar morphology and physiology which can breed together and produce fertile offspring is called:

Genus
Species✔️
Family
Phylum

Correct Answer Logic:

A species is defined as a group of organisms that share common morphological and physiological characteristics, can interbreed naturally, and produce fertile offspring. This is the Biological Species Concept (Ernst Mayr, 1942). Genus is the next level up in classification; species is the most fundamental unit of biological classification.

Uploaded by: Fani Warraich

Education QUESTION #7599

Question 3836

Which teaching method is considered most suitable for teaching science subjects?

Brainstorming
Collaboration
Project✔️
None of these

Correct Answer Logic:

The project method is particularly suitable for science as it allows hands-on investigation, experimentation, and application of scientific principles to real problems.

Uploaded by: Fani Warraich

General Knowledge QUESTION #11557

Question 3837

Which software category allows code to execute independently of specific hardware?

High-level language✔️
Low-level language
Assembly language
Machine language

Correct Answer Logic:

High-level language programs (Python, Java, C++) are machine-independent — they run on different hardware with appropriate compilers or interpreters. Low-level languages (assembly, machine code) are tightly coupled to specific processor architectures and are not portable between different hardware platforms.

Uploaded by: Fani Warraich

Law QUESTION #9686

Question 3838

Article 46-A makes electronic documents generated by an automated information system relevant facts if:

The system is certified by the government
The system was in working order✔️
Two witnesses verify the output
The electronic signature is applied

Correct Answer Logic:

Article 46-A states that statements in the form of electronic documents generated, received or recorded by an automated information system while it is in working order are relevant facts.

Uploaded by: Fani Warraich

English QUESTION #2769

Question 3839

What does the idiom 'SPILL THE BEANS' mean? (Note: An idiom is a phrase with a figurative meaning different from its literal meaning)

To cook a meal
To make a mess
To reveal a secret✔️
To waste food

Correct Answer Logic:

'Spill the beans' is an idiom meaning to reveal secret or confidential information, usually by accident. Example: 'Don't spill the beans about the surprise party!'

Uploaded by: Fani Warraich

MBBS QUESTION #10245

Question 3840

The dicrotic notch seen on an arterial pressure waveform tracing corresponds to which physiological event?

Opening of the aortic valve at the start of systolic ejection
Closure of the aortic valve, marking the onset of diastole✔️
Opening of the mitral valve during rapid ventricular filling
The peak of systolic ejection

Correct Answer Logic:

The dicrotic notch represents a brief backflow of blood toward the closing aortic valve, producing a small pressure rebound just after peak systolic pressure — marking the transition from systole to diastole.

Uploaded by: Fani Warraich

More Options

Suggest a Question