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Planning QUESTION #4953

What does 'Sustainability' in planning fundamentally require?

Economic growth only
Meeting present needs without compromising future generations✔️
Maximizing resource use
Preventing all development

Correct Answer Logic:

Sustainability, as defined by the Brundtland Commission, means meeting the needs of the present generation without compromising the ability of future generations to meet their own needs.

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Library Sciences QUESTION #1547

Question 6742

Which theory of motivation, proposed by Abraham Maslow and applied to library personnel management, argues that human needs are arranged in a hierarchical order from physiological to self-actualization?

Theory X and Theory Y
Two-Factor Theory
Hierarchy of Needs Theory✔️
Expectancy Theory

Correct Answer Logic:

Maslow's Hierarchy of Needs arranges human motivations in five levels: physiological, safety, social/belonging, esteem, and self-actualization. Library managers (as discussed in Evans et al., 2007) use this framework to understand what motivates staff at different career stages and life situations.

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English QUESTION #8463

Question 6743

Regular exercise is beneficial _______ health.

with
for
to✔️
of

Correct Answer Logic:

'Beneficial to' is the correct preposition.

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Boilers Mechanical Engineering QUESTION #4034

Question 6744

A 'Manhole' in a boiler is provided for:

Looking at the fire
Entry of a person for internal inspection and cleaning✔️
Filling the fuel
Letting air out

Correct Answer Logic:

Every large boiler must have access points for maintenance.

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Bio-Technology QUESTION #10578

Question 6745

Pichia pastoris (now Komagataella phaffii) is preferred for recombinant protein production because:

It is the fastest-growing yeast under anaerobic conditions
It uses the strong methanol-inducible AOX1 promoter for tightly regulated high-level expression✔️
It secretes all recombinant proteins into the periplasmic space
It does not require a selectable marker for plasmid maintenance

Correct Answer Logic:

Pichia pastoris uses methanol as a sole carbon source, activating the AOX1 (alcohol oxidase 1) promoter — one of the strongest known promoters — to produce recombinant proteins at very high levels (sometimes >30% of total cell protein). Expression is tightly regulated: repressed by glucose/glycerol, induced by methanol. The system also supports secretion, simplifying downstream processing.

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Education QUESTION #11624

Question 6746

The administrative function that involves assigning and delegating responsibilities to employees within an institution is:

Planning
Organizing✔️
Budgeting
None of these

Correct Answer Logic:

Organizing is the administrative function concerned with structuring the institution — dividing work, grouping tasks, delegating authority, and establishing reporting relationships. Planning sets the goals; organizing arranges the human and material resources to achieve them.

Correct Answer: B — Organizing.

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Math Physics Chemistry Biology QUESTION #7773

Question 6747

Sugarcane stores carbohydrates mainly in the form of which sugar?

Fructose
Glucose
Ribose
Sucrose✔️

Correct Answer Logic:

Sucrose (glucose + fructose) is the main transport and storage sugar in sugarcane. Fructose is in fruits; glucose is a monosaccharide; ribose is a pentose in RNA.

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Biology Zoology Botany QUESTION #10786

Question 6748

What is the main substance reabsorbed in the descending limb of the loop of Henle?

Sodium
Potassium
Ammonia
Water✔️

Correct Answer Logic:

The descending limb of the loop of Henle is highly permeable to water but largely impermeable to solutes. As the filtrate descends into the hyperosmotic medullary interstitium, water moves out by osmosis, concentrating the filtrate. The ascending limb is impermeable to water but actively transports NaCl out. This countercurrent mechanism creates the osmotic gradient necessary for urine concentration.

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Education QUESTION #6764

Question 6749

According to Item Response Theory (IRT), an item characteristic curve (ICC) that is very steep (high slope) in the middle of the ability scale is said to have high discrimination. What does this graphically mean for test construction?

Students of all ability levels have an equal probability of answering correctly
A small difference in ability around the item's difficulty threshold produces a large change in the probability of a correct response, making the item highly efficient at separating examinees near that ability level✔️
The item is very difficult because only high-ability students can answer it
The guessing parameter (G) for this item is necessarily low

Correct Answer Logic:

The slope of the ICC reflects discrimination power. A steep slope means: for examinees near the item's difficulty level, even a slight difference in underlying ability dramatically changes the probability of success. This is a highly efficient discriminating item. Flatness means all ability levels have similar success rates — poor discrimination. Steepness does not dictate difficulty; an item can be steep at any point on the ability scale.

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Maths QUESTION #7657

Question 6750

If A and B are in the ratio 3:4, and B and C are in the ratio 12:13, then A and C will be in the ratio:

$9 : 13$✔️
$9 : 13$
$36 : 13$
None of these

Correct Answer Logic:

Given $A : B = 3 : 4$ and $B : C = 12 : 13$. To find $A : C$, we need to make B equal in both ratios. Multiply first ratio by 3: $A : B = 9 : 12$. Now $B = 12$ in both ratios. Therefore, $A : B : C = 9 : 12 : 13$, giving $A : C = 9 : 13$.

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Disaster Management QUESTION #6552

Question 6751

In establishing public-private partnerships for DRR, what represents the most sustainable incentive structure?

Government contracts
Tax incentives, regulatory recognition, CSR alignment, and shared risk-reduction benefits that create business value✔️
Public recognition
Mandatory participation

Correct Answer Logic:

Sections 6.4 and 8.4 propose incentives (tax breaks, grants) and CSR integration. Sustainable PPPs require business cases where private sector gains value (reduced business disruption, market opportunities, regulatory benefits) alongside social benefits, creating win-win scenarios.

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General Knowledge QUESTION #4811

Question 6752

The political theory that leaders initiate foreign conflicts to divert public attention from domestic controversies is known as?

Diversionary Theory of War✔️
Democratic Peace Theory
Autocratic Rule
Realpolitik

Correct Answer Logic:

The Diversionary Theory of War suggests that political leaders may initiate or escalate international conflicts to divert public attention from domestic problems such as economic downturns or political scandals.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3659

Question 6753

Which part of 'Valerian' is used for its sedative properties?

Roots and Rhizomes✔️
Flowers
Leaves
Seeds

Correct Answer Logic:

Valeriana officinalis is used for anxiety and sleep disorders.

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English QUESTION #4447

Question 6754

Prime Minister has arrived ____ Peshawar?

at
to
in✔️
from

Correct Answer Logic:

For cities and countries, the preposition 'in' is typically used for arrival.

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11119

Question 6755

An abrupt shift from anaerobic to aerobic metabolic processes in yeast gives rise to the:

Emerson effect
Hill reaction
Pasteur effect✔️
Blackman's law

Correct Answer Logic:

The Pasteur effect describes the inhibition of fermentation (glycolysis) by the presence of oxygen, first observed by Louis Pasteur in yeast. When oxygen becomes available, aerobic respiration (more efficient, producing ~30 ATP per glucose) suppresses fermentation (producing only 2 ATP per glucose). This occurs because aerobic metabolism produces more ATP per glucose, reducing the need for high glycolytic flux. Industrially, controlling aeration in yeast fermentation exploits the Pasteur effect.

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Dairy Food Science and Technology QUESTION #5911

Question 6756

The lactose content of cow's whole milk is approximately:

$2\text{–}3\%$
$4.5\text{–}5\%$✔️
$7\text{–}8\%$
$10\text{–}12\%$

Correct Answer Logic:

Lactose constitutes approximately $4.5\text{–}5.0\%$ (w/v) of bovine milk. It is a disaccharide of glucose and galactose linked by a $\beta$-$1{,}4$-glycosidic bond.

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Nursing QUESTION #9162

Question 6757

According to the National Health Vision 2016–2025 of Pakistan, which ministry is primarily responsible for health policy at the federal level after the 18th Constitutional Amendment?

Federal Ministry of Health
Provincial health departments
Ministry of Planning
National Health Services, Regulations and Coordination (NHSRC)✔️

Correct Answer Logic:

After Pakistan's 18th Constitutional Amendment (2010), health was devolved to the provinces. However, at the federal level, the Ministry of National Health Services, Regulations and Coordination (NHSRC) is responsible for:

National health policy and planning
Coordination with international health organizations (WHO, UNICEF)
Regulation of health professionals
National disease control programmes (EPI, TB, Malaria, HIV/AIDS)

Understanding the health governance structure is essential for Charge and Head Nurses working in public sector health facilities in Pakistan.

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Quantitative Reasoning QUESTION #8046

Question 6758

POLEMICAL: Choose the word most nearly opposite in meaning to this word.

imitative
lavish
conciliatory✔️
attractive

Correct Answer Logic:

POLEMICAL means relating to strong controversy or dispute — aggressive in argument. Its antonym is conciliatory, which means intended to make peace, reduce conflict, or bring about agreement. 'Imitative' means copying others. 'Lavish' means extravagant. 'Attractive' means pleasing. Only 'conciliatory' opposes the confrontational nature of 'polemical.'

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Islamic Studies QUESTION #8228

Question 6759

What is the duty of the Angel Mekail?

In-charge of the protection and also to bring rains✔️
To blow the trumpet on the Day of judgment
In charge of taking the life of living creatures
None of these

Correct Answer Logic:

Hazrat Mikail (Michael) AS is the angel in charge of rain, sustenance, and natural phenomena. He manages the distribution of provisions to all living creatures and controls weather patterns. Along with Jibreel (Gabriel), Mikail is one of the highest-ranking angels mentioned in the Quran (2:98). While Jibreel brings revelation, Mikail manages the natural order that sustains life on Earth.

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Chemistry QUESTION #4356

Question 6760

Oxidation numbers of X, Y, Z are $+6$, $-2$, $\&$ $-1$ respectively. Possible molecular formula when atoms combine:

$X_2YZ$
$XY_2Z_2$✔️
$XYZ_2$
$XY_2Z$

Correct Answer Logic:

For electrical neutrality, the sum of oxidation numbers must equal zero. For $XY_2Z_2$: $(+6) + 2(-2) + 2(-1) = +6 - 4 - 2 = 0$ ✓. This is the correct formula.

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