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Biology Zoology Botany QUESTION #1360

What is the ploidy level of the endosperm in angiosperms?

Haploid (n)
Diploid (2n)
Triploid (3n)✔️
Tetraploid (4n)

Correct Answer Logic:

In angiosperms, the endosperm is formed by triple fusion — the fusion of two polar nuclei (each haploid, n) with one male gamete (n) — resulting in a triploid (3n) nucleus. The endosperm develops into a nutritive tissue that nourishes the developing embryo. This is a unique feature of double fertilization in angiosperms.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3106

Question 2702

Which vein is commonly used for venipuncture (drawing blood) in the arm?

Saphenous vein
Median cubital vein✔️
Jugular vein
Femoral vein

Correct Answer Logic:

The median cubital vein in the antecubital fossa is the most common site for blood draws.

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Security Measures to Maintain Law and Order QUESTION #897

Question 2703

"Landside Security" measures primarily focus on maintaining order in:

The Runway
The Cockpit
Public areas & Car parks✔️
The Cargo hold

Correct Answer Logic:

Landside refers to areas open to the public; maintaining order here is key to preventing attacks before the security checkpoint.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2973

Question 2704

The term 'Apothecary' in historical context refers to a person who:

Performs surgery
Prepares and sells medicines✔️
Manufactures surgical instruments
Administers anesthesia

Correct Answer Logic:

Apothecaries were the historical predecessors of modern pharmacists, specializing in the compounding of drugs.

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Professional QUESTION #1845

Question 2705

Under which section of Civil Servants Act 1973 are the Civil Servants (Appointment, Promotion and Transfer) Rules, 1973 framed?

Section 20
Section 23
Section 25✔️
Section 27

Correct Answer Logic:

Rule 1 states these rules are framed in exercise of powers conferred by Section 25 of the Civil Servants Act, 1973 (LXXI of 1973).

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Islamic Studies QUESTION #647

Question 2706

Hazrat Umar (رضي الله عنه) belonged to the tribe of:

Banu Hashim
Banu Umayya
Banu Adi✔️
None of these

Correct Answer Logic:

Hazrat Umar (رضي الله عنه) was from the Banu Adi branch of the Quraish.

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Library Sciences QUESTION #1555

Question 2707

S.R. Ranganathan's Five Laws of Library Science, formulated in 1931, include which of the following as the fifth law?

Every reader his book
Save the time of the reader
Books are for use
The library is a growing organism✔️

Correct Answer Logic:

Ranganathan's Five Laws are: (1) Books are for use, (2) Every reader his book, (3) Every book its reader, (4) Save the time of the reader, and (5) The library is a growing organism. The fifth law is particularly significant as it emphasizes that libraries must continuously grow and adapt.

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Islamic Studies QUESTION #228

Question 2708

Abdullah bin Salam (RA) was _________ before accepting Islam.

Polytheist
Christian
Magian
None of these✔️

Correct Answer Logic:

He was a prominent Jewish rabbi in Medina before converting to Islam.

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Basic Mathematics QUESTION #4587

Question 2709

What is average of all even numbers from $2$ to $10$?

$5$
$6$✔️
$30$
$12$

Correct Answer Logic:

Numbers: $2,4,6,8,10$. Average = $\frac{2+4+6+8+10}{5} = \frac{30}{5} = 6$

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Math (Module-1) QUESTION #5472

Question 2710

For a rectangle, the ratio of length to width is $35:10$. The width increases by $7$ units. How must the length change to maintain this ratio?

Decrease by $24.5$ units
Increase by $24.5$ units✔️
Decrease by $7$ units
Increase by $7$ units

Correct Answer Logic:

Ratio $\frac{L}{W} = \frac{35}{10} = 3.5$. If width becomes $W+7$, length must be $3.5(W+7) = 3.5W + 24.5$. Thus, length increases by $24.5$.

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Professional QUESTION #1857

Question 2711

Under Rule 8-B(1), on what basis can the most senior eligible civil servant be appointed if he lacks the specified length of service?

Regular promotion
Contract basis
Acting charge basis✔️
Ad hoc basis

Correct Answer Logic:

Rule 8-B(1) states the authority may appoint the most senior civil servant on acting charge basis if he does not possess the specified length of service but is otherwise eligible.

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Security Measures to Maintain Law and Order QUESTION #898

Question 2712

If an AD ASF is offered a "Bribe" to bypass a security measure, they are tried under:

Prevention of Corruption Act
Pakistan Army Act
ASF Act
All of these✔️

Correct Answer Logic:

They are subject to the specific service laws (Army Act via 7-A) and general criminal laws of Pakistan.

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Biology Zoology Botany QUESTION #1363

Question 2713

In angiosperms, how many nuclei are present in a mature embryo sac?

6
7
8✔️
9

Correct Answer Logic:

A mature angiosperm embryo sac (megagametophyte) contains 8 nuclei organised into 7 cells: 3 antipodal cells (3 nuclei), 2 synergid cells (2 nuclei), 1 egg cell (1 nucleus), and 1 central cell with 2 polar nuclei (2 nuclei). Total = 3+2+1+2 = 8 nuclei in 7 cells. This is the standard Polygonum-type embryo sac.

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Urdu QUESTION #5162

Question 2714

'سبز قدم ہونا' محاورے کا مفہوم کیا ہے؟

مبارک ہونا
چاروں طرف سبزہ ہونا
منحوس ہونا✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

سبز قدم ہونا محاورے کا مطلب ہے منحوس قدم ہونا یعنی جس کے آنے سے نقصان ہو۔

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Biology QUESTION #559

Question 2715

Name the class that contains seedless plants.

Angiospermae
Gemnospermae
Paraphsys
Filicineae✔️

Correct Answer Logic:

Filicineae (ferns) are seedless vascular plants

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Islamic Studies QUESTION #206

Question 2716

What was the main source of cultural influence in pre-Islamic Arabian society?

Persian culture
Egyptian civilization
Christian and Jewish beliefs✔️
None of these

Correct Answer Logic:

Proximity to Byzantine and Sassanid borders brought Christian/Jewish influences.

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Tourism & Hospitality Management QUESTION #1617

Question 2717

The Tourism and Hospitality Laws course covers 'liabilities for lost and theft' as one of the 'other related laws in Pakistan.' Which legal principle most directly governs a hotel's liability for a guest's valuables?

The Antiquity Act
The innkeeper's liability under common law and relevant Pakistani provisions, which may limit the hotel's liability if safekeeping facilities were offered and not used✔️
Forest Act provisions
Wild Life protection regulations

Correct Answer Logic:

Module 5 of the Tourism and Hospitality Laws course covers 'Liabilities for lost and theft' under Pakistan's related laws. The legal basis derives from innkeeper liability under common law — which requires hotels to exercise due care over guests' property and may limit liability if the hotel offered (and the guest declined) the use of a safe or security facility.

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Basic Mathematics QUESTION #2888

Question 2718

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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Chemistry QUESTION #458

Question 2719

Al?O?(SiO?).2H?O is called

Clay✔️
Talc
Asbestos
None of these

Correct Answer Logic:

This is the formula for clay

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Electrical Engineering QUESTION #2169

Question 2720

The characteristic equation $s^4 + 2s^3 + 3s^2 + 4s + 5 = 0$ describes a control system. Using the Routh-Hurwitz criterion, how many roots lie in the right-half s-plane?

$2$✔️
$0$
$4$
$1$

Correct Answer Logic:

Routh first-column elements are: $1, 2, 1, -6, 5$. There are 2 sign changes (at $-6$ and back to $5$), confirming 2 roots in the RHP and an unstable system.

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