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Biology QUESTION #7776

The ester formed from a fatty acid and a long-chain alcohol is called:

Acylglycerol
Glycerol
Phospholipid
Wax✔️

Correct Answer Logic:

Waxes are esters of long-chain fatty acids with long-chain alcohols. Acylglycerols (fats/oils) are esters with glycerol. Phospholipids have a phosphate group.

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Pakistan Affairs QUESTION #608

Question 2

Whose behaviour disheartened M.A. Jinnah, leading him to decide to stay away from India?

M.K Gandhi
Jawahar Lal Nehru
Sardar Patel
None of these✔️

Correct Answer Logic:

Jinnah was disillusioned by the overall political atmosphere, specifically after the 1928 Nehru Report and the Lucknow Pact's failure .

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Urdu QUESTION #5244

Question 3

آسمان پر اڑنا سے کیا مراد ہے؟

غرور کرنا✔️
گالیاں دینا
ٹالنا
غرور کا سر نیچا

Correct Answer Logic:

آسمان پر اڑنا محاورے کا مطلب ہے انتہائی مغرور ہونا یا تکبر کرنا۔

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Pakistan Affairs QUESTION #4665

Question 4

The Durand Line forms the border between Pakistan and which neighboring country?

Iran
Afghanistan✔️
India
China

Correct Answer Logic:

The Durand Line is the 2,430-kilometer international border between Afghanistan and Pakistan, established in 1893 by the Durand Agreement between British India and Afghanistan.

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Psychology QUESTION #1457

Question 5

Which gland is known as the \"master gland\" of the endocrine system, regulating other glands and hormones in the body?

Thyroid gland
Pineal gland
Adrenal gland
Pituitary gland✔️

Correct Answer Logic:

The pituitary gland (located at the base of the brain, controlled by the hypothalamus) is called the 'master gland' because it secretes hormones that regulate the activity of other endocrine glands — including the thyroid, adrenal glands, and gonads. It has two lobes: the anterior pituitary (produces GH, TSH, ACTH, FSH, LH, prolactin) and posterior pituitary (releases ADH and oxytocin).

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3193

Question 6

'Peripheral Resistance' to blood flow is primarily determined by the diameter of:

Aorta
Veins
Arterioles✔️
Capillaries

Correct Answer Logic:

Arterioles are known as the 'resistance vessels' because they can significantly constrict or dilate.

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General Knowledge QUESTION #2616

Question 7

An SSD (Solid State Drive) differs from an HDD primarily because:

An SSD uses a spinning platter to store data, making it slower
An SSD uses electronic flash memory with no moving parts, making it faster and more durable✔️
An SSD requires a constant internet connection to store data
An SSD can only store temporary data and loses it when powered off

Correct Answer Logic:

An SSD (Solid State Drive) uses electronic flash memory chips with no moving parts. This makes SSDs significantly faster, quieter, more shock-resistant, and more energy-efficient than traditional HDDs which rely on spinning platters and mechanical arms.

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CISA QUESTION #6828

Question 8

An IS auditor finds that database administrators regularly use shared administrative accounts rather than individual accounts. What is the MOST significant control deficiency?

Inefficient password management
Lack of individual accountability and inability to attribute actions to specific individuals✔️
Violation of policy
Increased security costs

Correct Answer Logic:

Shared accounts eliminate individual accountability—a fundamental security and auditing principle. When multiple people use the same credentials, it becomes impossible to determine who performed specific actions, preventing investigation of incidents, fraud detection, and establishing non-repudiation.

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Biology QUESTION #4230

Question 9

A biological laboratory is developing gene therapy with a modified virus that infects the birds only. Which of the following category does this virus belong to?

Algal virus
Fungal virus
Animal virus✔️
Bacterial virus

Correct Answer Logic:

Virus infecting birds is an animal virus.

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Security Measures to Maintain Law and Order QUESTION #949

Question 10

What is 'Cyber Security' in the context of airport order?

Locking the server room
Protecting digital systems and networks✔️
Fixing broken computers
Monitoring staff emails

Correct Answer Logic:

Protecting navigation, communication, and security systems from digital attacks is vital for maintaining airport order.

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Urdu QUESTION #5139

Question 11

فردوسِ بریں کس ادیب کا مشہور تاریخی ناول ہے؟

صادق الخیری
ضیا شنکر نسیم
نذیر احمد
عبدالحلیم شرر✔️

Correct Answer Logic:

فردوسِ بریں عبدالحلیم شرر کا مشہور تاریخی ناول ہے جو فرقہ باطنیہ کے موضوع پر لکھا گیا۔

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Urdu QUESTION #5135

Question 12

نذیر احمد کے کس ناول پر حکومت کی طرف سے ایک ہزار کا انعام ملا تھا؟

توبۃ النصوح
مرآۃ العروس✔️
فسانۂ مبتلا
بناتِ النعش

Correct Answer Logic:

مرآۃ العروس پر ڈپٹی نذیر احمد کو انگریزی حکومت نے ایک ہزار روپے کا انعام دیا تھا۔

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Civil / Architecture QUESTION #2359

Question 13

In LEED (Leadership in Energy and Environmental Design) v4 rating system, which credit category directly addresses the reduction of volatile organic compound (VOC) emissions from interior finishes to improve Indoor Environmental Quality?

Materials and Resources (MR)
Indoor Environmental Quality (EQ)✔️
Sustainable Sites (SS)
Energy and Atmosphere (EA)

Correct Answer Logic:

Indoor Environmental Quality (EQ) credits in LEED v4 directly address VOC content limits for paints, coatings, adhesives, sealants, flooring, composite wood, and ceiling/wall assemblies. High VOC emissions from interior finishes cause poor indoor air quality and are linked to sick building syndrome. The Materials and Resources category focuses on material sourcing, recycled content, and waste reduction.

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Home Economics QUESTION #6275

Question 14

Which fiber is known as the 'Queen of Fibers' due to its luster and strength?

Silk✔️
Linen
Cotton
Wool

Correct Answer Logic:

Silk is highly prized for its natural shine, strength, and smoothness.

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Urdu QUESTION #5263

Question 15

مسدس کے ہر بند میں کتنے مصرے ہوتے ہیں؟

چار
پانچ
چھ✔️
آٹھ

Correct Answer Logic:

مسدس میں ہر بند چھ مصروں پر مشتمل ہوتا ہے۔ اس کا ہر بند دو قافیوں پر مختتم ہوتا ہے۔

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Chemistry QUESTION #7535

Question 16

25 mL of an HCl solution reacts completely with 30 mL of 0.1 M Na$_2$CO$_3$. What volume of the same HCl solution is needed to titrate 30 mL of 0.2 M NaOH?

25 mL
75 mL
50 mL
12.5 mL✔️

Correct Answer Logic:

Step 1 — Find molarity of HCl:
$\text{Na}_2\text{CO}_3 + 2\text{HCl} \to 2\text{NaCl} + \text{H}_2\text{O} + \text{CO}_2$
Moles Na$_2$CO$_3 = 0.030 \times 0.1 = 3\times10^{-3}\ \text{mol}$
Moles HCl needed $= 2 \times 3\times10^{-3} = 6\times10^{-3}\ \text{mol}$
$M_{\text{HCl}} = \dfrac{6\times10^{-3}}{0.025} = 0.24\ \text{M}$

Step 2 — Volume for NaOH:
$\text{NaOH} + \text{HCl} \to \text{NaCl} + \text{H}_2\text{O}$
Moles NaOH $= 0.030 \times 0.2 = 6\times10^{-3}\ \text{mol}$
$V_{\text{HCl}} = \dfrac{6\times10^{-3}}{0.24} = 0.025\ \text{L} = \mathbf{25\ \text{mL}}$

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Chemistry QUESTION #1435

Question 17

In glycolysis, the enzyme hexokinase catalyzes the conversion of:

Glucose to glucose-6-phosphate✔️
Pyruvate to lactate
Fructose-6-phosphate to fructose-1,6-bisphosphate
None of these

Correct Answer Logic:

Hexokinase is the first enzyme of glycolysis. It catalyzes the phosphorylation of glucose using ATP: $\text{Glucose} + \text{ATP} \xrightarrow{\text{hexokinase}} \text{Glucose-6-phosphate} + \text{ADP}$. This irreversible step traps glucose inside the cell. Phosphofructokinase-1 catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate.

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General Abilities QUESTION #2888

Question 18

The sum of two numbers is 25 and their difference is 7. Find the larger number.

14
16✔️
18
20

Correct Answer Logic:

Let numbers be $x, y$. $x+y=25$ and $x-y=7$. Adding gives $2x=32 \implies x=16$.

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General Knowledge QUESTION #4796

Question 19

Which is the deepest ocean in the world?

Arctic
Atlantic
Pacific✔️
Indian

Correct Answer Logic:

The Pacific Ocean is the world's largest and deepest ocean, with an average depth of about 4,000 meters and a maximum depth of 11,034 meters in the Mariana Trench.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3650

Question 20

The 'Adrenal' hormone used to treat severe allergic reactions is:

Insulin
Thyroxine
Epinephrine (Adrenaline)✔️
Estrogen

Correct Answer Logic:

Epinephrine is the drug of choice for anaphylaxis.

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