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Agronomy QUESTION #2080

Pre-emergence herbicides are most effective when:

Applied to the soil surface just before crop harvest
Applied to the soil surface before weed seeds germinate and seedlings emerge, requiring activation by rainfall or irrigation to move into the germinating weed seed zone where they disrupt seedling growth✔️
Applied to fully emerged weed foliage using directed spraying
Mixed with foliar fertilizers to improve weed control

Correct Answer Logic:

Pre-emergence herbicides act on germinating seeds in the soil — they must be incorporated into the top 2–5 cm of the germination zone by rainfall or irrigation (activation) to contact the target weed. They form a chemical barrier disrupting cell division or pigment synthesis in germinating seedlings. Dry, crusted soil surfaces, delayed activation, and deep-plowed weed seeds reduce their efficacy.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3526

Question 2

'Tinctures' are alcoholic or hydro-alcoholic extractions of:

Minerals only
Crude drugs (plant or animal material)✔️
Synthetic powders
Pure water

Correct Answer Logic:

Tinctures are common liquid forms of herbal medicines.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5776

Question 3

Lactulose treats constipation through which mechanism?

Direct mucosa stimulation
Osmotic effect via degradation to organic acids✔️
Lubrication
Blocking Acetylcholine

Correct Answer Logic:

Bacterial degradation of lactulose creates an osmotic gradient that retains water.

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Pakistan Affairs QUESTION #596

Question 4

Jinnah: Studies in Interpretation', is written by:

Sharif al Mujahid✔️
Sikandar Hayat
Sharif ud Din Pirzada
None of These

Correct Answer Logic:

This notable biography was authored by Sharif al Mujahid.

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Chemistry QUESTION #4362

Question 5

Terminal alkynes show acidic character due to:

Terminal carbon atoms are $sp$ hybridized✔️
Terminal carbon atoms are $sp^2$ hybridized
Terminal carbon atoms are $sp^3$ hybridized
Terminal carbon atoms show hydrogen bonding

Correct Answer Logic:

In terminal alkynes ($R-C\equiv CH$), the terminal carbon is $sp$ hybridized (50% s-character). Higher s-character means the bonding electrons are held closer to the nucleus, making the $C-H$ bond more polar and the hydrogen more acidic ($pK_a \approx 25$).

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Nursing QUESTION #9253

Question 6

A 3-year-old child weighing 12 kg is prescribed IV fluid for dehydration. Using the Holliday-Segar method, what is the CORRECT daily maintenance fluid requirement?

800 mL/day
1100 mL/day✔️
1200 mL/day
1500 mL/day

Correct Answer Logic:

The Holliday-Segar method calculates maintenance fluid requirements:

Weight	Fluid Rate
First 10 kg	$100\,\text{mL/kg/day}$
Next 10 kg (10–20 kg)	$50\,\text{mL/kg/day}$
Each kg above 20 kg	$20\,\text{mL/kg/day}$

Calculation for 12 kg child:

\[\text{First 10 kg} = 10 \times 100 = 1000\,\text{mL}\]

\[\text{Next 2 kg} = 2 \times 50 = 100\,\text{mL}\]

\[\text{Total} = 1000 + 100 = 1100\,\text{mL/day}\]

Hourly rate: $\dfrac{1100}{24} \approx 46\,\text{mL/hr}$

This formula is essential for pediatric nurses. Remember: it calculates maintenance only — deficit and ongoing losses are added separately in dehydrated children.

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The Elections Act 2017 QUESTION #9469

Question 7

Section 48A(2), inserted by the Elections (Second Amendment) Act 2017, deals with the status of Ahmadis on electoral rolls. If an objection is filed that a voter is not a Muslim, the Revising Authority issues a notice requiring the voter to appear within how many days and sign a specified declaration of belief in the finality of Prophethood?

Seven days
Thirty days
Fifteen days✔️
Twenty-one days

Correct Answer Logic:

Section 48A(2) states: 'the Revising Authority shall issue a notice to him to appear before it within fifteen days and require him to sign a declaration... regarding his belief about the absolute and unqualified finality of the Prophethood of Muhammad (peace be upon him).'

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English QUESTION #511

Question 8

PERISH

Furious
Come to death✔️
Secret
Frustrated

Correct Answer Logic:

Perish means to die or be destroyed

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Information Technology QUESTION #1136

Question 9

Which of the following is a characteristic of RISC architecture?

Large instruction set
Variable length instructions
Single-cycle instruction execution✔️
Complex addressing modes

Correct Answer Logic:

Reduced Instruction Set Computer (RISC) focuses on simple instructions that can be executed in a single clock cycle to improve efficiency.

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Islamic Studies QUESTION #630

Question 10

"Kitab-ul-Asar" is written by:

Imam Abu Hanifa✔️
Imam Malik
Imam Sha'afi
None of these

Correct Answer Logic:

This is a collection of Ahadith compiled by Imam Abu Hanifa.

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Civil / Architecture QUESTION #2343

Question 11

Bernoulli's equation for steady incompressible flow expressed as energy per unit weight (head) along a streamline is:

$\dfrac{p}{\rho} + \dfrac{V^2}{2} + gz = C$
$\dfrac{p}{\gamma} + \dfrac{V^2}{2g} + z = C$✔️
$p + \dfrac{1}{2}\rho V + \gamma z = C$
$\dfrac{p}{\gamma} + \dfrac{V}{2g} + z = C$

Correct Answer Logic:

Bernoulli's equation in head form: $\dfrac{p}{\gamma} + \dfrac{V^2}{2g} + z = C$, summing pressure head, velocity head, and elevation head. Option A is the energy-per-unit-mass form (divided by $g$). Option C has incorrect units. Option D incorrectly uses $V$ instead of $V^2$ in the velocity head term.

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English QUESTION #4419

Question 12

Identify the sentence with no spelling error:

Imtiaz Invited me on a diner party at restaurant.
Imtiaz Invited me on a dinner party at restaurant.✔️
Imtiaz Invited me on a dinner party at resturant.
Imtiaz Invited me on a dinnar party at restaurent.

Correct Answer Logic:

The correct spellings are 'dinner' (an evening meal) and 'restaurant' (a place to eat). Option A has 'diner' (a small restaurant or person eating), Option C has 'resturant', and Option D has both 'dinnar' and 'restaurent' — all misspelled.

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Mathematics QUESTION #7477

Question 13

Let $\vec{a} = \hat{i} - \hat{j}$, $\vec{b} = \hat{i} + \hat{j} + \hat{k}$ and $\vec{c}$ be a vector such that $\vec{a} \times \vec{c} + \vec{b} = \vec{0}$ and $\vec{a} \cdot \vec{c} = 4$, then $|\vec{c}|^2$ is equal to:

$\frac{19}{2}$✔️
9
8
$\frac{17}{2}$

Correct Answer Logic:

From $\vec{a} \times \vec{c} + \vec{b} = \vec{0}$, we get $\vec{a} \times \vec{c} = -\vec{b}$. Taking dot product with $\vec{a}$: $\vec{a} \cdot (\vec{a} \times \vec{c}) = -\vec{a} \cdot \vec{b}$. Since $\vec{a} \cdot (\vec{a} \times \vec{c}) = 0$, we have $\vec{a} \cdot \vec{b} = 0$, which checks: $(1)(-1)+(-1)(1)+(0)(1) = 0$. Nope: $\vec{a} = \hat{i}-\hat{j}$ (only 2D) and $\vec{b} = \hat{i}+\hat{j}+\hat{k}$, so $\vec{a} \cdot \vec{b} = 1-1 = 0$. Good. Taking magnitude: $|\vec{a} \times \vec{c}| = |\vec{b}| = \sqrt{3}$. Also $|\vec{a} \times \vec{c}|^2 = |\vec{a}|^2|\vec{c}|^2 - (\vec{a} \cdot \vec{c})^2$, so $3 = 2|\vec{c}|^2 - 16$, giving $|\vec{c}|^2 = \frac{19}{2}$.

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Egnlish QUESTION #676

Question 14

"Beauty is truth, truth beauty" is a famous line from:

Ode to a Nightingale
Ode on a Grecian Urn✔️
To Autumn
Ode on Melancholy

Correct Answer Logic:

These are the concluding lines of John Keats' famous poem.

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Ability / HR / Governance / Special Education QUESTION #5646

Question 15

A Financial Adviser disagrees with a Ministry's financial decision within the delegated field. The Secretary of that Ministry also disagrees with the FA's view. What is the CORRECT escalation path?

The Secretary may take up the case with Additional Finance Secretary (Expenditure)/Finance Secretary or the Minister may take it up with the Finance Minister✔️
The CFAO's view prevails since he is the internal financial control authority
The PAO's decision is final within the Ministry and the FA cannot override it
The matter must be referred directly to the Finance Secretary bypassing AFS(E)

Correct Answer Logic:

In case of a difference of opinion with the Financial Adviser the Secretary of the Ministry/Division may take up the case with the Additional Finance Secretary (Expenditure)(AFS-E)/Finance Secretary or the Minister may take it up with the Finance Minister (FM).

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Urdu QUESTION #5194

Question 16

اردو زبان کا پہلا عوامی شاعر کسے کہا جاتا ہے؟

علامہ اقبال
نظیر اکبرآبادی✔️
حبیب جالب
ساحر لدھیانوی

Correct Answer Logic:

نظیر اکبرآبادی کو اردو کا پہلا عوامی شاعر کہا جاتا ہے کیونکہ انہوں نے عام لوگوں کی زندگی پر شاعری کی۔

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3033

Question 17

Which of the following is an 'Efflorescent' substance?

Citric Acid
Sodium Carbonate decahydrate
Caffeine
All of these✔️

Correct Answer Logic:

Efflorescent substances lose water of crystallization when exposed to dry air.

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Math Physics Chemistry Biology QUESTION #796

Question 18

Which of the following is least reactive?

$\text{H}_2\text{O}$
Alcohol
Ether✔️
$\text{H}_2\text{SO}_4$

Correct Answer Logic:

Ethers are very stable and relatively unreactive compared to water, alcohols, and strong acids like $\text{H}_2\text{SO}_4$.

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Math (Module-1) QUESTION #5384

Question 19

A certain function $f$ is defined by $f(x) = 14 + 11x$. What is the value of $f(x)$ when $x = 2$?

$14$
$25$
$36$✔️
$39$

Correct Answer Logic:

Substitute $x = 2$ into the function: $f(2) = 14 + 11(2) = 14 + 22 = 36$.

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Economics QUESTION #1699

Question 20

Which Nobel Prize-winning economist conceptualised the framework of 'Development as Freedom,' arguing that development must be evaluated by the expansion of human capabilities and substantive freedoms?

Paul Samuelson
Amartya Sen✔️
Milton Friedman
None of these

Correct Answer Logic:

Amartya Sen, the Indian economist and Nobel Laureate (1998), articulated the 'Development as Freedom' framework in his landmark 1999 book of the same name. He argued that development should be understood as the expansion of real freedoms people enjoy — including political freedoms, economic facilities, social opportunities, transparency guarantees, and protective security. This approach influenced the UNDP's Human Development Index (HDI) and reoriented development economics beyond GDP growth.

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Suggest a Question

Weight	Fluid Rate
First 10 kg	\(100\,\text{mL/kg/day}\)
Next 10 kg (10–20 kg)	\(50\,\text{mL/kg/day}\)
Each kg above 20 kg	\(20\,\text{mL/kg/day}\)