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General Knowledge QUESTION #4478

Question 7441

The development that meets present needs without compromising future generations is called:

Sustainable Development✔️
Green Development
Positive Development
None of these

Correct Answer Logic:

Definition of sustainable development from Brundtland Report.

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Psychology QUESTION #9861

Question 7442

The overall bodily and mental growth curves for men:

Diverge at puberty age
Run parallel courses✔️
Show a drop at puberty age
Both run parallel and diverge at puberty

Correct Answer Logic:

Physical and mental growth trajectories broadly run parallel courses, both showing gradual increases through childhood and adolescence, with physical growth plateauing earlier than cognitive development.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3238

Question 7443

'Diffusion' across a membrane is FASTER if:

The membrane is thicker
The concentration gradient is smaller
The surface area is larger✔️
The temperature is lower

Correct Answer Logic:

Fick's Law states that diffusion rate increases with larger surface area and steeper gradients.

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Math Physics Chemistry Biology QUESTION #4317

Question 7444

Which type of RNA makes up the largest proportion of total cellular RNA?

Messenger RNA
Ribosomal RNA✔️
Transfer RNA
Catalytic RNA (ribozyme)

Correct Answer Logic:

Ribosomal RNA (rRNA) constitutes approximately 80% of total cellular RNA, making it the most abundant type. mRNA is only ~5% and tRNA ~15%.

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MCQs Section QUESTION #5280

Question 7445

اردو کا لفظ پہلی بار کہاں استعمال ہوا؟

آئینِ اکبری
اردو مضامین
تذکرۂ بابری✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

لفظ اردو تذکرۂ بابری میں پہلی بار استعمال ہوا۔

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Dairy Food Science and Technology QUESTION #5912

Question 7446

In the production of desi ghee, the traditional method involves:

Direct cream separation and churning at low temperature
Curdling milk with acid then churning the dahi (curd) to obtain desi butter, then clarifying by heating at $110\text{–}120^{\circ}\text{C}$ to remove moisture and MSNF✔️
UHT treatment followed by centrifugal separation
Adding emulsifiers to anhydrous milk fat

Correct Answer Logic:

Traditional desi ghee production: milk $\rightarrow$ dahi (yoghurt) $\rightarrow$ churning dahi $\rightarrow$ desi butter (makkhan) $\rightarrow$ heating at $110\text{–}120^{\circ}\text{C}$ to remove moisture and MSNF $\rightarrow$ filtering $\rightarrow$ desi ghee. Maillard reaction during heating gives desi ghee its characteristic flavor.

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MBBS QUESTION #10195

Question 7447

A patient with liver cirrhosis and portal hypertension develops hematemesis from bleeding esophageal varices. This results from a portosystemic anastomosis between the left gastric vein (portal system) and which systemic venous pathway?

Azygos vein, via the esophageal venous plexus✔️
Inferior vena cava directly
Splenic vein
Superior mesenteric vein

Correct Answer Logic:

In portal hypertension, the left gastric (portal) vein anastomoses with esophageal veins draining into the azygos vein (systemic); the resulting dilated, thin-walled submucosal esophageal varices are prone to life-threatening rupture and hemorrhage.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3254

Question 7448

'Total Peripheral Resistance' ($TPR$) increases when:

Blood vessels dilate
Blood viscosity increases✔️
Blood pressure drops
Exercise starts

Correct Answer Logic:

Thicker blood (higher viscosity) or constricted vessels increase resistance.

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The Elections Act 2017 QUESTION #9423

Question 7449

Under Section 50(1), the Commission appoints District Returning Officers. If it utilizes judicial officers, this requires consultation with:

The President of Pakistan
The Commission's own legal committee
The Chief Justice of the concerned High Court✔️
The Federal Law Ministry

Correct Answer Logic:

Section 50(1)(c) and Section 5(3) proviso specify that where serving judicial officers are to be utilized, the Commission must do so 'in consultation with the Chief Justice of the High Court concerned'.

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Maths QUESTION #4594

Question 7450

Simplify: $4x^2 + 3x - 2x^2 + 5x$

$2x^2 + 8x$✔️
$6x^2 + 8x$
$2x^2 + 2x$
$5x^4$

Correct Answer Logic:

Combine like terms: $(4-2)x^2 + (3+5)x = 2x^2 + 8x$

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Biology Zoology Botany QUESTION #10805

Question 7451

Linking of Ca²⁺ with calmodulin activates which enzyme in the contraction cycle of smooth muscles?

MLC kinase✔️
MLC phosphorylase
MHC kinase
MHC phosphorylase

Correct Answer Logic:

In smooth muscle, Ca²⁺ binds calmodulin, forming the Ca²⁺-calmodulin complex that activates Myosin Light Chain (MLC) kinase. MLC kinase phosphorylates the regulatory light chains of myosin, enabling cross-bridge cycling and muscle contraction. This differs from skeletal muscle, where Ca²⁺ acts via troponin-tropomyosin on thin filaments. MLC phosphorylation is the key regulatory step in smooth muscle contraction.

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Physics and Math QUESTION #774

Question 7452

If $\dfrac{dy}{dx} = 2x$, then the equation becomes:

$y = x^2 - 2x - 3$
$y = x^2 - 2x + 3$✔️
$y = x^2 + 2x - 3$
None

Correct Answer Logic:

Integrating: $y = \int 2x\, dx = x^2 + C$. With appropriate constant the form $y = x^2 - 2x + 3$ is selected in the paper.

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MCQs Section QUESTION #5047

Question 7453

جنگل کی شہزادی کس کی نظم ہے؟

ضمیر جعفری
کرنل محمد خان
نسیم حجازی
جوش ملیح آبادی✔️

Correct Answer Logic:

'جنگل کی شہزادی' جوش ملیح آبادی کی مشہور نظم ہے جو ان کے رومانوی و فطرت پرستانہ اسلوب کی عکاسی کرتی ہے۔

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Islamic Studies QUESTION #8210

Question 7454

Pick out the name of the prayer which is preceded by Azaan?

Namaz I Janaza
Eid ul Fitr
Eid ul Azha
Zuhar Prayer✔️

Correct Answer Logic:

Zuhr Prayer (and all five daily obligatory prayers) are preceded by Adhan (call to prayer). Eid prayers and Janaza (funeral) prayer are not preceded by Adhan. For Eid prayers, there is a different announcement: 'As-Salatu Jami'ah' (Prayer is about to begin). The five daily prayers (Fajr, Zuhr, Asr, Maghrib, Isha) all require Adhan to announce their times, followed by Iqamah (second call) immediately before the prayer begins.

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