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Fetch is the distance of open water over which wind blows in a consistent direction. The greater the fetch, the more energy is transferred from wind to water, producing larger waves. Wavelength is the distance between successive wave crests, and period is the time for successive waves to pass a fixed point.

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Biology Zoology Botany QUESTION #1354

Question 7

The cell wall of fungi is primarily composed of:

Cellulose
Chitin✔️
Pectin
Lignin

Correct Answer Logic:

The cell wall of fungi is primarily composed of chitin — a nitrogen-containing polysaccharide made of N-acetylglucosamine units linked by β-1,4-glycosidic bonds. This is a key distinguishing feature of fungi from plants (whose cell walls contain cellulose). Chitin provides structural strength and rigidity to the fungal cell wall.

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Biology QUESTION #514

Question 8

When your finger accidentally gets caught in a door, the pain message is sent to your brain through __________.

Homeostasis
Sensory receptors✔️
Caffeine
The medulla

Correct Answer Logic:

Sensory receptors transmit pain signals

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Biology QUESTION #4298

Question 9

Identify the most appropriate function of chromosomes:

Energy production and storage
Protein synthesis and regulation
Storage of genetic information✔️
Lipid metabolism and transport

Correct Answer Logic:

Chromosomes are composed of DNA and proteins. Their primary function is to store, organize, and transmit genetic information from cell to cell and generation to generation.

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Physics and Math QUESTION #758

Question 10

A bullet is fired with an angle of 30° with velocity of 196 ms⁻¹. For how much time will the bullet remain in space?

10 s
30 s
20 s✔️
40 s

Correct Answer Logic:

Time of flight T = 2u sinθ/g = 2x196xsin30°/9.8 = 2x196x0.5/9.8 = 196/9.8 = 20 s.

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Library Sciences QUESTION #1575

Question 11

Which of the following is a mandatory requirement before library materials can be officially written off in most institutional library procedures?

User demand statistics must show zero interest
A formal inquiry or board decision must establish the reason (loss, damage, obsolescence) with supporting documentation and authorized approval✔️
The library director may independently write off any item at will
Items must first be offered for public sale

Correct Answer Logic:

Standard write-off procedures require: identification of the item and reason (loss/damage/obsolescence), a formal report or inquiry, supporting documentation (e.g., police report for theft, condition report for damage), and approval from a designated authority (board, committee, or senior management) before items are removed from official records.

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Pakistan Affairs QUESTION #4663

Question 12

How many medals did Pakistan win at the 18th Commonwealth Games in Melbourne 2006?

3
5✔️
7
9

Correct Answer Logic:

Pakistan won 5 medals at the 2006 Commonwealth Games held in Melbourne, Australia.

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Medicinal Chemistry and Biopharmaceutics QUESTION #3827

Question 13

What is the purpose of adding sodium metabisulphite to epinephrine (adrenaline) injection formulations?

Suspending agent
Fungicide
Antioxidant✔️
Bactericide

Correct Answer Logic:

Sodium metabisulphite is an antioxidant added to prevent the oxidative degradation of epinephrine, which is highly susceptible to oxidation. It preserves potency and shelf life.

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City and Regional Planning QUESTION #5023

Question 14

Which concept addresses the relationship between transportation infrastructure and land development?

Land use-transport feedback cycle✔️
Zoning regulations only
Building codes
Environmental impact

Correct Answer Logic:

The land use-transport feedback cycle recognizes that transportation improvements increase accessibility, stimulating development, which generates more travel demand, requiring more infrastructure—a continuous cycle requiring integrated planning to avoid induced demand and sprawl.

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Islamic Studies QUESTION #233

Question 15

Hadith Taqreeri mentions:

Speeches of the Prophet
Conversations of Companions
Silence of the Prophet on a companion's work✔️
None of these

Correct Answer Logic:

Taqreeri refers to the Prophet's (ﷺ) tacit approval or silence regarding an action.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3501

Question 16

Tannins are chemically defined as:

Nitrogenous bases
Complex organic, non-nitrogenous polyphenolic compounds✔️
Sugars
Fats

Correct Answer Logic:

Tannins are astringent substances that can precipitate proteins.

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Biology QUESTION #4272

Question 17

Nissl's granule is a specialized structure in a neuron formed by modification of:

Golgi bodies & Smooth ER
Peroxisome & Mitochondria
Lysosome & Vacuole
Ribosome & Rough ER✔️

Correct Answer Logic:

Nissl granules are found in neurons and are formed from rough endoplasmic reticulum (RER) and ribosomes. They are involved in active protein synthesis.

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Basic Mathematics QUESTION #4511

Question 18

Which number is NOT a factor of $24$?

$3$
$8$
$5$✔️
$6$

Correct Answer Logic:

Factors of $24$ are: $1, 2, 3, 4, 6, 8, 12, 24$. The number $5$ does not divide $24$ evenly.

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English QUESTION #2762

Question 19

Find the word SIMILAR IN MEANING to 'Abundant'.

Scarce
Plentiful✔️
Rare
Deficient

Correct Answer Logic:

'Abundant' means existing in large quantities. 'Plentiful' also means existing in great quantities or more than enough. So 'Plentiful' is the correct synonym. The others (Scarce, Rare, Deficient) are antonyms.

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Basic Mathematics QUESTION #2902

Question 20

How long will it take for a car to cover $350$ km at $70$ km/h?

4 hours
5 hours✔️
6 hours
7 hours

Correct Answer Logic:

Time $= Distance / Speed = 350 / 70 = 5$ hours.

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