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Agronomy QUESTION #2113
Question 1
Phenomics in modern agronomy refers to:
  • The study of phenotypic plasticity in weed populations under herbicide selection pressure
  • The high-throughput measurement of plant traits (morphological, physiological, biochemical) using sensors, imaging (RGB, thermal, hyperspectral, LiDAR), and computational analysis — bridging the 'phenotyping bottleneck' between genomic information and field performance to accelerate crop improvement and precision agronomy✔️
  • The traditional method of visual scoring of crop traits by trained agronomists in field trials
  • The science of predicting phenological development stages using degree-day accumulation models
Correct Answer Logic:
Phenomics addresses the critical bottleneck: genomics generates vast data on genetic variation, but connecting genotype to field phenotype at scale and speed requires high-throughput phenotyping platforms — ground-based (LemnaTec, Scanalyzer) and aerial (UAV-mounted sensors). Traits measured: canopy temperature (thermal), chlorophyll content (NDVI, hyperspectral), architecture (LiDAR/3D), root systems (X-ray CT). This enables genomic selection, QTL mapping, and precision agronomy at previously impossible scales.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering QUESTION #2379
Question 2
The transfer function of a PID (Proportional-Integral-Derivative) controller is:
  • \(Y(s) = K + K_I s + K_D s^2\)
  • \(Y(s) = K + \frac{K_I}{s} + K_D s\)✔️
  • \(Y(s) = \frac{K_I}{s} + K_D s\)
  • \(Y(s) = K \cdot K_I \cdot K_D \cdot s\)
Correct Answer Logic:
The PID controller combines all three actions: \(Y(s)=K+\frac{K_I}{s}+K_D s\). P provides immediate response, I eliminates steady-state error, D adds damping and predictive action.
Uploaded by: Fani Warraich
Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5799
Question 3
The development of 'Autonomy vs. Shame' typically occurs at what age?
  • Birth to 8 months
  • 18 months to 3 years✔️
  • 3 to 6 years
  • 6 to 12 years
Correct Answer Logic:
Autonomy vs. Shame occurs between 18 months and 3 years[cite: 7].
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3360
Question 4
'Plasmolysis' occurs when a bacterial cell is placed in a:
  • Hypotonic solution
  • Hypertonic solution✔️
  • Isotonic solution
  • Pure water
Correct Answer Logic:
The cell membrane pulls away from the cell wall as water leaves the cell.
Uploaded by: Fani Warraich
Nursing QUESTION #9210
Question 5
A Head Nurse reads a study where the researchers interviewed 12 nurses until no new themes emerged. What sampling method was used?
  • Quota sampling
  • Purposive sampling until theoretical saturation✔️
  • Snowball sampling
  • Stratified random sampling
Correct Answer Logic:
Correct Answer: B — Purposive sampling until theoretical saturation

In qualitative research, the concept of theoretical (or data) saturation refers to the point at which no new information or themes are emerging from additional data collection.

Why 'purposive sampling'? Qualitative researchers deliberately select participants based on specific characteristics relevant to the research question — this is purposive (or purposeful) sampling.

Comparison of qualitative sampling methods:
MethodDescription
PurposiveDeliberate selection based on specific criteria
SnowballParticipants recruit other participants (used for hard-to-reach populations)
TheoreticalSampling continues until saturation — guided by emerging theory (Grounded Theory)
Sample size in qualitative research is determined by saturation, not pre-calculated formulas.
Uploaded by: Fani Warraich
Dairy Food Science and Technology QUESTION #5989
Question 6
Sodium hexametaphosphate and trisodium citrate are used as emulsifying salts in processed cheese. Their mechanism involves:
  • Acting as antimicrobial agents preventing mold growth
  • Chelating \(\text{Ca}^{2+}\) from the casein-calcium phosphate complex, solubilizing and dispersing casein proteins to form a stable protein-fat emulsion upon heating ('creaming of casein')✔️
  • Lowering the \(\text{pH}\) to improve acid-gel formation
  • Crosslinking casein proteins through phosphate bridges
Correct Answer Logic:
Emulsifying salts in processed cheese work via \(\text{Ca}^{2+}\) chelation (sequestration). By removing \(\text{Ca}^{2+}\) from casein-calcium-phosphate linkages, they break down the protein matrix, allowing individual casein molecules to hydrate, unfold, and interact with fat at the interface during heating ('creaming of casein').
Uploaded by: Fani Warraich
Islamic Studies QUESTION #7914
Question 7
During the Ummayyad period which department administered the revenue affairs of the Empire?
  • Diwan-ul-Rasail
  • Diwan-ul-Kharaj✔️
  • Diwan-ul-Barid
  • Diwan-ul-Khatam
Correct Answer Logic:
Diwan-ul-Kharaj was the department responsible for revenue collection and land tax administration during the Umayyad period. Kharaj refers to land tax collected from non-Muslim landowners. This department managed the financial affairs of the empire and ensured proper collection and distribution of revenue.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering QUESTION #4037
Question 8
'Air Preheater' is located:
  • In the water tank
  • In the flue gas path after the economizer✔️
  • Inside the furnace
  • In the office
Correct Answer Logic:
It heats incoming combustion air, further improving efficiency.
Uploaded by: Fani Warraich
Math Physics Chemistry Biology QUESTION #531
Question 9
Which of the following belong to collenchyma cells?
  • Fibers
  • Vessels
  • Sclereides
  • None of these✔️
Correct Answer Logic:
Collenchyma cells are distinct from fibers, vessels, and sclereides
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2977
Question 10
Which book is considered the 'Official Gazette' of pharmacy standards in the United States?
  • USP-NF✔️
  • BP
  • International Pharmacopoeia
  • Merck Index
Correct Answer Logic:
The United States Pharmacopeia and the National Formulary (USP-NF) are the official compendia of drug standards in the USA.
Uploaded by: Fani Warraich
Correct Answer Logic:

1-digit: $1, 3, 7, 9$ (excluding 0) $= 4$

2-digit: First digit: 4 choices (1,3,7,9); second: 5 choices $= 4 \times 5 = 20$

3-digit: First digit: 4 choices; others: 5 each $= 4 \times 5 \times 5 = 100$

4-digit $< 7000$: First digit must be $1$ or $3$ (2 choices, since 7000 and above excluded — first digit can be 1, 3 only for $< 7000$; digits 7 and 9 give $\geq 7000$): $2 \times 5 \times 5 \times 5 = 250$

Total $= 4 + 20 + 100 + 250 = \mathbf{374}$

Uploaded by: Fani Warraich
Pharmacokinetics and Pharmacodynamics QUESTION #3831
Question 12
For a drug administered as a continuous intravenous infusion, which pharmacokinetic parameter does NOT affect the steady-state plasma concentration?
  • Dose
  • Drug clearance
  • Volume of distribution✔️
  • Dosing interval
Correct Answer Logic:
At steady state with IV infusion: $C_{ss} = \dfrac{\text{Dose rate}}{\text{Clearance}}$. Volume of distribution determines time to steady state but not the concentration itself. Dosing interval is irrelevant for continuous infusion.
Uploaded by: Fani Warraich
English QUESTION #8358
Question 13
ARID means:
  • Fertile
  • barren✔️
  • Quaint
  • talkative
Correct Answer Logic:
Arid means very dry; barren means infertile — but barren is closer? Actually arid = dry, barren = unable to produce. Key says B barren.
Uploaded by: Fani Warraich
Education QUESTION #1474
Question 14
According to Abd Halim Hj. Mat Diah (1989), Islamic education is a process that shapes Muslims based on:
  • The teachings of philosophers
  • The teachings of Islam✔️
  • The teachings of caliphs
  • The teachings of scientists
Correct Answer Logic:
Abd Halim Hj. Mat Diah defined Islamic education as a process for all under the purposeful guidance of educators who shape Muslims based on the teachings of Islam.
Uploaded by: Fani Warraich
Islamic Studies QUESTION #640
Question 15
Who translated the Holy Qur'an into Persian for the first time in the subcontinent?
  • Shah Waliullah✔️
  • Shah Abdul Aziz
  • Shah Rafiuddin
  • None of these
Correct Answer Logic:
Shah Waliullah Dehlawi translated it to make it accessible to the masses.
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3208
Question 16
The 'Enteric Nervous System' is often called the 'Little Brain' because:
  • It is located in the skull
  • It can control GI function independently of the CNS✔️
  • It is very small
  • It only works during sleep
Correct Answer Logic:
The myenteric and submucosal plexuses manage motility and secretion locally.
Uploaded by: Fani Warraich
Urdu QUESTION #5095
Question 17
علی وجودی، طور معنی، کلامِ جنوبی وغیرہ کس تاریخی ناول کے معروف کردار ہیں؟
  • امربیل
  • فردوسِ بریں✔️
  • راجہ گدھ
  • ان میں سے کوئی نہیں
Correct Answer Logic:
یہ کردار عبدالحلیم شرر کے تاریخی ناول 'فردوسِ بریں' سے ہیں۔
Uploaded by: Fani Warraich
Physics QUESTION #7105
Question 18
A material has density $\rho$ and bulk modulus $K$. If uniform pressure $P$ is applied, the increase in density will be: [cite: 494]
  • $\frac{\rho P}{K}$✔️
  • $\frac{\rho K}{P}$
  • $\frac{K}{\rho P}$
  • $\frac{PK}{\rho}$
Correct Answer Logic:

Bulk modulus $K = \rho \frac{dP}{d\rho}$ [cite: 494].

  • The change in density $d\rho = \frac{\rho dP}{K}$
  • With $dP = P$, the increase is $\frac{\rho P}{K}$[cite: 497].
Uploaded by: Fani Warraich
Correct Answer Logic:
Correct Answer: C — APACHE II Score

ICU Severity Scoring Systems:
ScoreFull NameUse
APACHE IIAcute Physiology and Chronic Health Evaluation IIICU mortality prediction (first 24h data)
SOFASequential Organ Failure AssessmentOrgan failure tracking, sepsis diagnosis
SAPS IISimplified Acute Physiology Score IIICU outcome prediction
CURB-65Pneumonia severity (community setting)
GCSGlasgow Coma ScaleNeurological status, not general ICU severity
APACHE II uses 12 physiological variables (temperature, MAP, HR, RR, oxygenation, pH, Na\(^+\), K\(^+\), creatinine, hematocrit, WBC, GCS) + age + chronic health points. Maximum score = 71; higher score = higher predicted mortality.
Uploaded by: Fani Warraich
General Knowledge QUESTION #8695
Question 20
Insomnia is a medical condition related to:
  • Sleeplessness (inability to sleep)✔️
  • Hypertension
  • Fear of water
  • Fear of closed places
Correct Answer Logic:
Insomnia is difficulty falling or staying asleep.
Uploaded by: Fani Warraich