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Dairy Food Science and Technology QUESTION #5997
Question 1
The 'water holding capacity' (WHC) of yoghurt gel is related to:
  • Total fat content of the milk used
  • The protein network density, degree of cross-linking, and porosity of the casein gel — determined by pre-heat treatment of milk (denatured \(\beta\)-Lg plugs gel pores), fermentation \(\text{pH}\), and protein concentration✔️
  • The amount of starter culture added
  • Incubation temperature above \(45^{\circ}\text{C}\)
Correct Answer Logic:
WHC of yoghurt gel determines syneresis susceptibility. High WHC \(=\) less syneresis. WHC is improved by: high heat treatment of milk (\(90\text{–}95^{\circ}\text{C}/5\text{–}10\;\text{min}\)) — denatured \(\beta\)-Lg associates with \(\kappa\)-casein increasing network density; higher protein concentration (SMP fortification); slower acidification; EPS-producing strains.
Uploaded by: Fani Warraich
General Knowledge QUESTION #8974
Question 2
Which planet has the shortest day (shortest rotation period)?
  • Earth
  • Jupiter✔️
  • Venus
  • Pluto
Correct Answer Logic:
Jupiter rotates in about 10 hours.
Uploaded by: Fani Warraich
Egnlish QUESTION #670
Question 3
"The Scarlet Letter" is set in:
  • 17th-century Boston✔️
  • 18th-century London
  • 19th-century New York
  • 16th-century Paris
Correct Answer Logic:
Nathaniel Hawthorne's novel is set in the Puritan Massachusetts Bay Colony.
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3612
Question 4
Which oil is a 'Fixed Oil' obtained from animal sources?
  • Almond oil
  • Cod Liver Oil✔️
  • Olive oil
  • Coconut oil
Correct Answer Logic:
Cod liver oil is a rich source of Vitamin A and D.
Uploaded by: Fani Warraich
Correct Answer Logic:
Credit Purchases = Closing Creditors + Cash Paid + Discount Received + Returns Outward – Opening Creditors = 9,500 + 20,000 + 500 + 2,400 – 7,600 = Rs. 24,800.
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3183
Question 6
The 'ABO' blood group system is based on the presence of:
  • Antibodies on the RBC surface
  • Antigens on the RBC surface✔️
  • Hemoglobin in the plasma
  • Iron in the bones
Correct Answer Logic:
Blood type is determined by specific glycolipid antigens (A and B) on the surface of erythrocytes.
Uploaded by: Fani Warraich
Physics QUESTION #4388
Question 7
A projectile is launched in air with a certain angle; its velocity is maximum at:
  • Point of projection✔️
  • Highest point
  • Between launching and highest point
  • At all points
Correct Answer Logic:
At the point of projection, the projectile has both horizontal and vertical components of velocity. At the highest point, only the horizontal component remains. Since speed is greatest at the launch point, velocity magnitude is maximum there.
Uploaded by: Fani Warraich
Therapeutics and Patient Care QUESTION #3874
Question 8
Which topical agent is supported by evidence as a recommended treatment option for the pain associated with herpes zoster (shingles)?
  • Topical betamethasone dipropionate
  • Transcutaneous electrical nerve stimulation (TENS)
  • Topical capsaicin✔️
  • Topical tretinoin
Correct Answer Logic:
Topical capsaicin depletes substance P from cutaneous nerve endings and has evidence supporting its use in post-herpetic neuralgia.
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Urdu QUESTION #5274
Question 9
نظم 'ساقی نامہ' کس صنف میں لکھی گئی ہے؟
  • مسدس
  • مثنوی✔️
  • آزاد نظم
  • نثری نظم
Correct Answer Logic:
علامہ اقبال کی نظم ساقی نامہ مثنوی کی ہیئت میں لکھی گئی ہے۔
Uploaded by: Fani Warraich
Correct Answer Logic:
Humidity = water vapour (liquid) dissolved in air (gas) → Liquid in gas (II). Alloys = solid metals dissolved in solid → Solid in solid (I)... wait alloys can be solid in liquid or solid in solid. Mercury amalgams = solid/liquid metal dissolved in mercury (liquid) → Liquid in solid (IV)... Smoke = solid particles in gas → Solid in gas (III). Matching: A-II, B-I, C-IV, D-III.
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Chemistry QUESTION #1420
Question 11
In an electrolytic cell:
  • Electrons move from cathode to anode
  • The anode is negative
  • Energy is consumed to drive the reaction✔️
  • None of these
Correct Answer Logic:
In an electrolytic cell, electrical energy is supplied from an external source to drive a non-spontaneous chemical reaction (electrolysis). The anode is positive (oxidation occurs) and cathode is negative (reduction occurs) — the opposite of a galvanic cell. Electrons flow from the external power source into the cathode. Energy is consumed, not produced.
Uploaded by: Fani Warraich
Biology Zoology Botany QUESTION #1340
Question 12
The pigment(s) that contain various forms of iron is/are:
  • Myoglobin
  • Hemoglobin
  • Both (A) & (B)✔️
  • None of these
Correct Answer Logic:
Both myoglobin and hemoglobin are iron-containing heme proteins. Myoglobin is an oxygen-storing protein found in muscle tissue containing a single heme group with Fe\(^{2+}\). Hemoglobin is the oxygen-carrying protein in red blood cells with four heme groups, each containing Fe\(^{2+}\) (oxy) or Fe\(^{3+}\) (met-form). Both contain iron in their porphyrin (heme) rings.
Uploaded by: Fani Warraich
Urdu QUESTION #5305
Question 13
اداس نسلیں کس کا ناول ہے؟
  • احمد ندیم قاسمی
  • عبداللہ حسین✔️
  • پریم چند
  • ان میں سے کوئی نہیں
Correct Answer Logic:
اداس نسلیں عبداللہ حسین کا مشہور ناول ہے جو تقسیمِ ہند کے المیے کو بیان کرتا ہے۔
Uploaded by: Fani Warraich
Civil Engineering QUESTION #6630
Question 14
The 'effective flange width' of a T-beam is limited primarily to account for:
  • Shear lag effects✔️
  • Concrete shrinkage
  • Torsional stiffness
  • The weight of the slab
Correct Answer Logic:
The flange of a T-beam does not experience uniform stress across its entire width due to shear lag; hence, an 'effective' width is used for design calculations.
Uploaded by: Fani Warraich
Islamic Studies QUESTION #629
Question 15
To which companion did the Prophet (ﷺ) give the title "Zunnurain"?
  • Hazrat Abu Bakr
  • Hazrat Umar
  • Hazrat Usman✔️
  • Hazrat Ali
Correct Answer Logic:
Hazrat Usman (رضي الله عنه) was called "Zunnurain" because he married two daughters of the Prophet (ﷺ).
Uploaded by: Fani Warraich
Civil Engineering QUESTION #6614
Question 16
A steel rod of area $A$ and length $L$ is fixed at both ends. If the temperature increases by $\Delta T$, the thermal stress induced is:
  • $E \alpha \Delta T$✔️
  • $E \alpha \Delta T / L$
  • $A E \alpha \Delta T$
  • Zero, as it is free to expand
Correct Answer Logic:
Thermal strain $\epsilon = \alpha \Delta T$. Since expansion is prevented (fixed ends), the stress is $\sigma = E \epsilon = E \alpha \Delta T$.
Uploaded by: Fani Warraich
Home Economics QUESTION #6292
Question 17
What is the primary characteristic of 'Non-Formal Education'?
  • It has no specific goals or objectives
  • It is flexible and learner-centered, often taking place outside schools✔️
  • It is highly structured and leads to a degree
  • It is only for children under the age of five
Correct Answer Logic:
Non-formal education, like extension, is organized but flexible and targeted at specific community needs.
Uploaded by: Fani Warraich
Math Physics Chemistry Biology QUESTION #4267
Question 18
Which part of the brain contains central chemoreceptors that monitor $CO_2$ levels in blood?
  • Pons
  • Midbrain
  • Hypothalamus
  • Medulla oblongata✔️
Correct Answer Logic:
The medulla oblongata contains central chemoreceptors that detect changes in $CO_2$ and pH of cerebrospinal fluid, regulating the breathing rate.
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3679
Question 19
'Palisade cells' are a type of tissue found in:
  • Roots
  • Mesophyll of leaves✔️
  • Bark
  • Wood
Correct Answer Logic:
They contain chloroplasts and are studied in leaf microscopy.
Uploaded by: Fani Warraich
Correct Answer Logic:
The Liquid Limit (LL) is the minimum water content at which a soil flows as a liquid under a small standardized shear force. It is determined using the Casagrande cup apparatus (25 blows to close a groove) or the cone penetrometer. The Plastic Limit (PL) is the minimum water content at which soil can be rolled into a 3 mm thread. The Plasticity Index PI = LL - PL.
Uploaded by: Fani Warraich