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Math Physics Chemistry Biology QUESTION #4316

Which of the following is a key feature of RNA?

Deoxyribose and thymine
Double stranded and thymine
Ribose and uracil✔️
Ribose and thymine

Correct Answer Logic:

RNA contains the sugar ribose (not deoxyribose) and the nitrogenous base uracil (instead of thymine). RNA is typically single-stranded.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3118

Question 4642

Which part of the digestive tract is responsible for reabsorbing water and forming feces?

Duodenum
Ileum
Large Intestine✔️
Pancreas

Correct Answer Logic:

The colon's main job is water recovery and waste storage.

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CISA QUESTION #1733

Question 4643

Which of the following most accurately describes the respective responsibilities of the data owner, data user, and data custodian?

The data user is responsible for implementing security controls as required.
The data custodian defines what constitutes acceptable use of the data.
The data owner is responsible for specifying the appropriate controls over the data.✔️
The data custodian determines the security classification of the data.

Correct Answer Logic:

In an information governance framework: the data owner is responsible for defining controls, specifying acceptable use policies, and appointing the data custodian. The data custodian is responsible for protecting the data, ensuring its availability, and supporting users. Data users must comply with the acceptable use policy and report any violations they observe. The data owner — not the custodian — holds ultimate responsibility for data classification and control specification.

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Therapeutics and Patient Care QUESTION #3907

Question 4644

In which clinical condition should the dose of vancomycin be reduced to prevent drug accumulation and toxicity?

Pulmonary failure
Hepatic impairment
Heart failure
Renal impairment✔️

Correct Answer Logic:

Vancomycin is primarily renally excreted. In renal impairment, clearance is reduced, leading to drug accumulation, nephrotoxicity, and ototoxicity. Dose and/or frequency must be reduced.

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Maths QUESTION #7993

Question 4645

\({}^5\!/_2 \times {}^2\!/_5 = ?\)

\({}^7\!/_{11}\)
3
\({}^1\!/_3\)
1✔️

Correct Answer Logic:

\(\dfrac{5}{2} \times \dfrac{2}{5} = \dfrac{10}{10} = 1\)

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Reading and Writing (Module-1) QUESTION #5335

Question 4646

The 1920s Harlem Renaissance was a ______ period of artistic and intellectual growth for African Americans, producing influential works in literature, music, and art. Which choice completes the text with the most logical and precise word?

prolific✔️
stagnant
brief
unnoticeable

Correct Answer Logic:

'Prolific' (highly productive) describes a period of significant growth and many works.

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Biomedical Sciences QUESTION #3814

Question 4647

Which endocrine condition is specifically characterised by autoimmune-driven excessive secretion of thyroid hormone?

Addison's disease
Hashimoto thyroiditis
Graves' disease✔️
Wilson's disease

Correct Answer Logic:

Graves' disease is an autoimmune hyperthyroid condition caused by TSH-receptor stimulating antibodies, leading to excessive thyroid hormone production and clinical thyrotoxicosis.

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MCQs Section QUESTION #5138

Question 4648

وہ گھڑی جس کا انتظار تھا، ______ ۔

آن پہنچی✔️
آپہنچی
آن پہنچا
ان میں سے کوئی نہیں

Correct Answer Logic:

درست جملہ ہے: 'آن پہنچی' کیونکہ گھڑی مونث ہے اور آن پہنچی اس کا درست فعل ہے۔

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Molecular Biology / Bioinformatics / Biochemistry QUESTION #11118

Question 4649

Apart from hearing, what other major physiological function does the ear perform?

Nerve pressure reduction
Hormone secretion
Body balancing (equilibrium)✔️
All of these

Correct Answer Logic:

The inner ear performs two major functions: hearing (via the cochlea) and body balancing/equilibrium (via the vestibular apparatus). The vestibular system includes: (1) semicircular canals — detect rotational acceleration of the head in three planes, and (2) utricle and saccule (otolith organs) — detect linear acceleration and static head position relative to gravity. Damage to the vestibular system causes vertigo, dizziness, and loss of balance.

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Education QUESTION #6761

Question 4650

A subject specialist developing a physics test wants to ensure that the test measures "understanding of Newton's Laws" and not merely the ability to memorize formulae. Which type of validity evidence should be most rigorously gathered, and what procedure is most appropriate?

Content validity; compare test items with the textbook chapter headings
Construct validity; define the construct, identify sub-constructs, list indicators, write items for each indicator, and seek expert judgment and factor analysis✔️
Criterion validity; correlate test scores with past exam results
Consequence validity; survey students about whether the test was fair

Correct Answer Logic:

Construct validity is the evidence that a test measures the intended theoretical construct. For a nuanced construct like "understanding" (as opposed to memorization), one must: define the construct, identify its sub-constructs (e.g., conceptual understanding vs. procedural), write items targeting each, and validate through expert judgment and factor analysis. This is the rigorous process described in construct validity.

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Math Physics Chemistry Biology QUESTION #804

Question 4651

In which orbital do electrons go after \(6d\)?

7s
8s
7p✔️
6s

Correct Answer Logic:

Following the Aufbau principle and \((n+l)\) rule, after filling \(6d\), electrons enter the \(7p\) orbital.

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Psychology QUESTION #9820

Question 4652

McClelland's method of measuring the achievement motive made primary use of:

Self-ratings
Fantasy✔️
Parent's estimates of level of aspiration
Activity level

Correct Answer Logic:

McClelland measured n-Ach using the TAT (Thematic Apperception Test), a projective technique where subjects tell stories about ambiguous pictures. The fantasy content of these stories was coded for achievement-related themes.

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Math Physics Chemistry Biology QUESTION #576

Question 4653

The optimum temperature for enzymes of human body is

32°F
46°C
313 K
37°C✔️

Correct Answer Logic:

Human enzymes work best at 37°C

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Psychology QUESTION #9904

Question 4654

The prototype of the modern intelligence test for children was developed by:

Terman
Wechsler
Binet✔️
Stanford

Correct Answer Logic:

Alfred Binet and Théodore Simon created the first practical intelligence scale (1905) for the French Ministry of Education. This Binet-Simon Scale is the direct prototype of modern tests. Terman adapted it into the Stanford-Binet.

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General Knowledge QUESTION #2638

Question 4655

UEFI (Unified Extensible Firmware Interface) is the modern replacement for which older technology?

SATA interface for hard drive connections
BIOS (Basic Input Output Services)✔️
ATX form factor for motherboards
DRAM for temporary memory storage

Correct Answer Logic:

UEFI (Unified Extensible Firmware Interface) is the modern replacement for the traditional BIOS. While BIOS had limitations such as support for only older storage systems and slower boot times, UEFI offers a graphical interface, faster boot times, support for larger drives, and improved security features like Secure Boot.

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HR and Management QUESTION #6428

Question 4656

Empowerment in HRM transfers direction from:

Top management to middle management
External source (supervisor) to internal source (individual's desire)✔️
HR department to line managers
Centralized to decentralized structures

Correct Answer Logic:

Empowerment transfers direction from an external source (normally the immediate supervisor) to an internal source (the individual's own desire to do well). It provides workers with skills and authority to make decisions traditionally made by managers, creating enthusiastic, committed people who perform ably because they believe in and enjoy their work.

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Education QUESTION #10880

Question 4657

At which school level is the diversification of curriculum undertaken?

Early school level
Primary school level
Secondary school level✔️
Middle school level

Correct Answer Logic:

Curriculum diversification occurs at the secondary school level, where students begin specialising in different streams (science, arts, commerce, vocational/technical). At this level, a common core curriculum is supplemented by elective subjects reflecting students' aptitudes and career interests. Primary and middle school curricula are typically uniform for all students; specialisation begins in secondary education as students prepare for higher education or employment pathways.

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Psychology QUESTION #9778

Question 4658

Research consistently shows that poor work performance is the result of:

Poor conditions
Job satisfaction
Both poor conditions and job satisfaction✔️
None of these

Correct Answer Logic:

Studies in I/O psychology indicate poor performance results from multiple factors — unfavourable working conditions AND low job satisfaction. Neither alone fully explains performance deficits.

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General Knowledge QUESTION #8269

Question 4659

The Earth's rotational axis is currently tilted at what angle?

\(23.5^\circ\)✔️
\(25^\circ\)
\(21^\circ\)
\(21.5^\circ\)

Correct Answer Logic:

The Earth's axial tilt is approximately 23.5 degrees.

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Maths QUESTION #2822

Question 4660

If 15 workers can complete a job in 24 days, how many workers are needed to complete it in 9 days?

30
35
40✔️
45

Correct Answer Logic:

Using inverse proportion: \(\text{Workers} \times \text{Days} = \text{constant}\). \(15 \times 24 = x \times 9\). \(x = \dfrac{15 \times 24}{9} = \dfrac{360}{9} = 40\) workers.

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