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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3293

Question 1

'Cider' and 'Wine' are products of fermentation involving which microbe?

Bacteria
Yeast✔️
Virus
Algae

Correct Answer Logic:

Yeasts ferment sugars into ethanol and $CO_2$.

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Physics QUESTION #7308

Question 2

A particle starts from rest and moves with constant acceleration. After some time it decelerates and comes to rest. If it travels $S_1$ in first 10 s and $S_2$ in the next 10 s (from rest, constant acceleration), then $S_2 : S_1$ is: (This is a standard ratio-of-distances problem for uniformly accelerated motion from rest.)

$1:1$
$3:1$✔️
$4:1$
$2:1$

Correct Answer Logic:

Using $s = \dfrac{1}{2}at^2$: $S_1 = 50a$, total in 20 s $= 200a$, so $S_2 = 150a$.

$S_2 : S_1 = 150a : 50a = \mathbf{3:1}$

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General Knowledge QUESTION #2620

Question 3

USB stands for Universal Serial Bus. It is primarily used for:

Increasing the processing speed of the CPU
Cooling down the CPU during heavy tasks
Connecting peripheral devices such as keyboards, mice, and flash drives to computers✔️
Storing the BIOS firmware on the motherboard

Correct Answer Logic:

USB (Universal Serial Bus) is a connection standard for connecting peripherals to devices such as computers. It has become the most common way to connect external devices like keyboards, mice, printers, flash drives, and charging cables.

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General Knowledge QUESTION #4822

Question 4

The Rio Earth Summit on sustainable development was convened in which year?

1972
1992✔️
2002
2012

Correct Answer Logic:

The first Rio Earth Summit (United Nations Conference on Environment and Development) was held in Rio de Janeiro, Brazil in June 1992. It produced key agreements like Agenda 21 and the Rio Declaration.

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General Knowledge QUESTION #9017

Question 5

The substance used in the striking surface of matchsticks is:

Sulphur
Zinc
Phosphorus✔️
Nitric acid

Correct Answer Logic:

Red phosphorus is used in match striking surfaces.

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MCQs Section QUESTION #5197

Question 6

'آپے سے باہر ہونا' محاورے کا مطلب کیا ہے؟

شرمندہ ہونا
آب آب ہونا
بہت غصے میں ہونا✔️
بہت امیر ہونا

Correct Answer Logic:

آپے سے باہر ہونا محاورے کا مطلب ہے غصے یا جذبات پر قابو نہ رہنا۔

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Islamic Studies QUESTION #230

Question 7

At what time is the Kusoof prayer performed?

Wind
Solar eclipse✔️
Lunar eclipse
None of these

Correct Answer Logic:

Salat al-Kusoof is offered during a solar eclipse; Salat al-Khusoof is for a lunar eclipse.

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Professional QUESTION #1822

Question 8

Section 2(d) defines 'pay' as the amount drawn monthly by a civil servant. Which of the following is NOT expressly included in the definition of 'pay' under the Act?

Technical pay
Special pay
Daily allowance✔️
Personal pay

Correct Answer Logic:

Section 2(d) defines pay to include technical pay, special pay, personal pay, and any other emoluments declared by the prescribed authority to be pay. Daily allowance is a separate entitlement and is not included within the statutory definition of 'pay' under the Act.

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Education QUESTION #11636

Question 9

The primary purpose of Educational Psychology is to:

Contribute to an understanding of sound educational practices✔️
Provide the academic background essential for effective teaching
Provide a theoretical framework for educational research
None of these

Correct Answer Logic:

The central aim of Educational Psychology is to apply psychological principles to understand and improve educational practices — including how students learn, develop, and are motivated. While it informs teaching and research, its primary goal is to enhance the quality and effectiveness of education itself.

Correct Answer: A.

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Math Physics Chemistry Biology QUESTION #11309

Question 10

Which of the following is a test cross?

AA x aa
Aa x Aa
AA x AA
Aa x aa✔️

Correct Answer Logic:

A test cross involves crossing an individual with a dominant phenotype (Aa) with a recessive individual (aa).

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Maths QUESTION #4506

Question 11

If $0 < x < 1$, which is largest?

$x$
$x^2$
$\sqrt{x}$✔️
All equal

Correct Answer Logic:

For $0 < x < 1$: $x^2 < x < \sqrt{x}$. Example: if $x = 0.25$, then $x^2 = 0.0625$, $x = 0.25$, $\sqrt{x} = 0.5$

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Nursing QUESTION #9269

Question 12

A 6-year-old child with sickle cell disease presents with sudden-onset severe pain in hands and feet, fever, and pallor. Hb drops from 8 g/dL to 4.5 g/dL rapidly. The spleen is not palpable. The MOST likely crisis and nursing priority is:

Vaso-occlusive (painful) crisis; pain management
Aplastic crisis (due to Parvovirus B19); urgent blood transfusion✔️
Splenic sequestration crisis; splenectomy preparation
Hemolytic crisis; exchange transfusion

Correct Answer Logic:

Sickle Cell Disease — Types of Crisis:

Crisis	Features	Management
Vaso-occlusive (Painful)	Most common; bone/joint pain, dactylitis (hand-foot syndrome in young children), fever	IV fluids, analgesia (NSAIDs → opioids), O₂
Aplastic Crisis	Parvovirus B19 infects erythroid precursors; reticulocytopenia; severe anemia; spleen not enlarged	Urgent blood transfusion
Splenic Sequestration	Blood pools in spleen; massive splenomegaly; hypovolemic shock; age <5 yrs	IV fluids, blood transfusion, splenectomy
Hemolytic Crisis	Accelerated hemolysis; jaundice; often with G6PD deficiency	Identify trigger, transfuse if severe

Key clue: Parvovirus B19 temporarily shuts down erythropoiesis → reticulocytes drop to near zero → Hb falls dramatically. The spleen is already infarcted by age 5 (autosplenectomy) in sickle cell, so not palpable.

Priority nursing action: Arrange urgent blood transfusion, monitor Hb, SpO₂, vital signs closely.

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MCQs Section QUESTION #5236

Question 13

سخن آباد کس شاعر کے کلیات ہیں؟

نصیر ہاشمی
عرفان صدیقی✔️
میر تقی میر
ان میں سے کوئی نہیں

Correct Answer Logic:

سخن آباد عرفان صدیقی کے کلیات ہیں۔

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Bio-Technology QUESTION #10580

Question 14

Structured kinetic models differ from unstructured models (e.g. Monod) in that they:

Ignore substrate concentration effects on growth rate
Account for intracellular composition changes and metabolic state of cells✔️
Apply only to single-substrate, single-product systems
Are simpler and require fewer parameters

Correct Answer Logic:

Unstructured models (e.g. Monod) treat biomass as a single homogeneous entity — all cells are identical. Structured models divide the cell into compartments (e.g. DNA, RNA, protein, wall) and account for how intracellular composition changes with growth rate, nutrient shifts, and stress. Structured models better predict transient behaviour after disturbances but require more parameters and experimental data for validation.

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Reading and Writing (Module-1) QUESTION #10412

Question 15

The critic dismissed the film as ------- , claiming its plot borrowed heavily from countless earlier blockbusters.

novel
unoriginal✔️
inventive
groundbreaking

Correct Answer Logic:

A plot 'borrowed heavily from earlier films' is unoriginal.

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Math (Module-1) QUESTION #5461

Question 16

Hana deposited a fixed amount monthly. The function $f(t) = 100 + 25t$ gives the amount in dollars after $t$ monthly deposits. What is the best interpretation of $25$?

With each deposit, the amount increased by $\$25$.✔️
Before any deposits, the amount was $\$25$.
After $1$ deposit, the amount was $\$25$.
Hana made $25$ total deposits.

Correct Answer Logic:

The slope $25$ in the linear function $f(t) = 100 + 25t$ represents the change in amount per month (per deposit).

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Psychology QUESTION #9730

Question 17

Which aspect of test quality refers to the consistency of a measurement instrument, i.e., the degree to which it produces the same results under the same conditions?

Validity
Standardization
Reliability✔️
Item discrimination

Correct Answer Logic:

Reliability refers to the consistency and stability of a psychological test. A reliable test yields the same (or very similar) scores each time it is administered to the same person under similar conditions. Types include test-retest reliability, inter-rater reliability, and internal consistency (e.g., Cronbach's alpha). Reliability is a necessary but not sufficient condition for validity.

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Math Physics Chemistry Biology QUESTION #7758

Question 18

Most neurons in the central nervous system (CNS) are of which type?

Bipolar
Multipolar✔️
Pseudo-unipolar
Unipolar

Correct Answer Logic:

Multipolar neurons (one axon, multiple dendrites) are most common in the CNS (e.g., motor neurons, interneurons). Bipolar: special senses; pseudo-unipolar: dorsal root ganglia; unipolar: invertebrates.

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Chemistry QUESTION #7805

Question 19

A carbon atom carrying a positive charge and bonded to three other atoms/groups is called:

Carbanion
Carbene
Carbocation✔️
Oxonium

Correct Answer Logic:

Carbocation (e.g., CH₃⁺) has a positively charged carbon with 6 electrons (trivalent). Carbanion: negative charge; carbene: neutral with divalent carbon; oxonium: oxygen with positive charge.

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Home Economics QUESTION #6245

Question 20

The study of how people use their limited resources to satisfy unlimited wants is:

Sociology
Management
Economics✔️
Psychology

Correct Answer Logic:

This is the fundamental definition of economics applied to household management.

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