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Education QUESTION #6889

A teacher who practices 'preventive management' is BEST distinguished from one who practices 'reactive management' by which of the following characteristics?

A preventive manager uses more punitive consequences; a reactive manager uses more rewards
A preventive manager establishes rules by consensus and pre-defines consequences; a reactive manager improvises responses to behavior as it occurs✔️
A preventive manager focuses on academic achievement; a reactive manager focuses on behavior
A preventive manager collaborates with parents; a reactive manager works only within the classroom

Correct Answer Logic:

Preventive management is proactive: rules are co-constructed with students, consequences for both compliance and non-compliance are established in advance, and routines are designed to minimize opportunities for disruption. Reactive management, by contrast, responds to problems as they arise, which is generally less effective and more disruptive to the instructional environment.

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English QUESTION #7872

Question 2202

Complete the analogy: Order is the law of civilization as chaos is the law of the ______.

City
Metropolis
Physician
Wilderness✔️

Correct Answer Logic:

This is a classic contrast: civilization represents order, while the wilderness (nature untamed) represents chaos. The phrase evokes the idea that human society creates order, whereas wild nature is chaotic.

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Mathematics QUESTION #7469

Question 2203

For any $\theta \in (\frac{\pi}{4}, \frac{\pi}{2})$, the expression $3(\sin\theta - \cos\theta)^4 + 6(\sin\theta + \cos\theta)^2 + 4\sin^6\theta$ equals:

13 - 4cos²θ + 6sin²θcos²θ✔️
13 - 4cos⁶θ
13 - 4cos²θ + 6cos⁴θ
13 - 4cos⁴θ + 2sin²θcos²θ

Correct Answer Logic:

Expanding each term: $(\sin\theta-\cos\theta)^4 = \sin^4\theta - 4\sin^3\theta\cos\theta + 6\sin^2\theta\cos^2\theta - 4\sin\theta\cos^3\theta + \cos^4\theta$, $(\sin\theta+\cos\theta)^2 = \sin^2\theta + 2\sin\theta\cos\theta + \cos^2\theta = 1 + 2\sin\theta\cos\theta$. Combining and simplifying using $\sin^2\theta + \cos^2\theta = 1$ and algebraic manipulation gives: $13 - 4\cos^2\theta + 6\sin^2\theta\cos^2\theta$.

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CISA QUESTION #6863

Question 2204

In reviewing a software development life cycle, an auditor finds that security requirements are addressed only during final testing phase before production deployment. What is the MOST significant consequence?

Delayed security implementation
Security issues discovered late are expensive to fix and may require fundamental redesign✔️
Incomplete security coverage
Rushed implementation

Correct Answer Logic:

Security must be integrated throughout SDLC from requirements through design, development, and testing. Addressing security only at final testing means security flaws in architecture or design require expensive changes or workarounds. This 'bolted-on' security is less effective and more costly than security designed in from the start.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3145

Question 2205

The inner lining of the uterus that is shed during menstruation is the:

Myometrium
Perimetrium
Endometrium✔️
Epimetrium

Correct Answer Logic:

The endometrium thickens each month in preparation for pregnancy.

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Dairy Food Science and Technology QUESTION #5900

Question 2206

Paneer is a heat-acid coagulated cheese. The coagulating agents most commonly used include:

Rennet (chymosin)
Citric acid, lactic acid, or acetic acid at $70\text{–}90^{\circ}\text{C}$✔️
Calcium chloride alone
Microbial lipase

Correct Answer Logic:

Paneer is made by heating milk to $70\text{–}90^{\circ}\text{C}$ and adding food-grade acids (citric acid $1\text{–}2\%$, lactic acid, or vinegar). The combination of heat denaturation of whey proteins and acid-induced casein coagulation ($\text{pH}\approx 5.4\text{–}5.8$) produces a firm, non-melting curd.

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Education QUESTION #7591

Question 2207

Which of the following is used for qualitative description of a limited number of aspects or traits of a person or thing?

Rating scale✔️
Checklist
Score card
None of these

Correct Answer Logic:

Rating scales allow observers to make qualitative judgments about specific traits or behaviors, typically using descriptive categories or numerical ratings.

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Chemistry QUESTION #7161

Question 2208

Identify the transition element from the list below that possesses the lowest enthalpy of atomization.

Iron ($Fe$)
Copper ($Cu$)
Vanadium ($V$)
Zinc ($Zn$)✔️

Correct Answer Logic:

Enthalpy of atomization depends on the strength of metallic bonding, which is determined by the number of unpaired electrons available for delocalization. Zinc ($Zn$) has a fully filled d-subshell ($3d^{10} 4s^{2}$) with no unpaired electrons for metallic bonding. Consequently, its metallic bonds are weak, leading to the lowest enthalpy of atomization in the series.

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Chemistry QUESTION #7374

Question 2209

In the reactions (a) $\text{H}_2\text{O}_2 + \text{O}_3 \to \text{H}_2\text{O} + 2\text{O}_2$ and (b) $\text{H}_2\text{O}_2 + \text{Ag}_2\text{O} \to 2\text{Ag} + \text{H}_2\text{O} + \text{O}_2$, the role of hydrogen peroxide is respectively:

Oxidising in (a) and reducing in (b)
Reducing in (a) and oxidising in (b)✔️
Reducing in both (a) and (b)
Oxidising in both (a) and (b)

Correct Answer Logic:

Reaction (a): $\text{H}_2\text{O}_2$ is oxidised to $\text{O}_2$ (oxygen goes from $-1$ to $0$ oxidation state) → $\text{H}_2\text{O}_2$ acts as reducing agent

Reaction (b): $\text{Ag}_2\text{O}$ is reduced to Ag ($\text{Ag}^+$ → $\text{Ag}^0$) while $\text{H}_2\text{O}_2$ provides oxygen → $\text{H}_2\text{O}_2$ acts as oxidising agent

$\text{H}_2\text{O}_2$ is amphoteric (can act as both oxidant and reductant depending on partner).

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CISA QUESTION #6834

Question 2210

In performing a pre-audit of network security, an auditor discovers that internal network traffic is not filtered or segmented—finance, HR, and research departments can all access each other's systems freely. What is the PRIMARY security principle being violated?

Data encryption
Least privilege and network segmentation✔️
Password complexity
Physical security

Correct Answer Logic:

Least privilege requires that users have only the access necessary for their job functions. Lack of network segmentation allows unrestricted lateral movement and access across departments that have no business need to access each other's systems. Finance staff should not access research systems and vice versa—segmentation enforces this principle.

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Physics QUESTION #7060

Question 2211

Two moles of a monoatomic ideal gas occupy volume $V$ at $27^\circ\text{C}$. It expands adiabatically to $2V$. Calculate the final temperature and the internal energy change. ($\gamma = 5/3$, $2^{2/3} \approx 1.587$)

(a) $189 \text{ K}$ (b) $-2.7 \text{ kJ}$✔️
(a) $195 \text{ K}$ (b) $2.7 \text{ kJ}$
(a) $189 \text{ K}$ (b) $2.7 \text{ kJ}$
(a) $195 \text{ K}$ (b) $-2.7 \text{ kJ}$

Correct Answer Logic:

For adiabatic expansion: $T_1 V_1^{\gamma-1} = T_2 V_2^{\gamma-1}$

$300 \times V^{2/3} = T_2 \times (2V)^{2/3} \implies T_2 = \frac{300}{2^{2/3}} \approx \frac{300}{1.587} \approx 189 \text{ K}$

Change in internal energy: $\Delta U = n C_v \Delta T = n \left(\frac{3}{2}R\right) (T_2 - T_1)$

$\Delta U = 2 \times 1.5 \times 8.31 \times (189 - 300) \approx 24.93 \times (-111) \approx -2767 \text{ J} \approx -2.7 \text{ kJ}$.

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Physics QUESTION #365

Question 2212

When a helium atom loses an electron

it becomes:✔️
An alpha particle
Proton
A positive helium ion

Correct Answer Logic:

2

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Home Economics QUESTION #6239

Question 2213

Which of the following is a mass contact method in extension?

Farm and home visit
Telephone call
Television✔️
Personal letter

Correct Answer Logic:

Mass methods like TV reach a large number of people simultaneously.

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General Science and Ability QUESTION #263

Question 2214

The heavy water is:

D₂O with simple hydrogen
H₂O with deuterium
D₂O with deuterium✔️
H₂O with simple hydrogen

Correct Answer Logic:

Heavy water (deuterium oxide) contains the hydrogen isotope deuterium (2H).

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English QUESTION #2693

Question 2215

Identify the correct structure: 'Hardly had he left ___ it started raining.'

than
when✔️
then
after

Correct Answer Logic:

The correlative conjunction 'Hardly' is always paired with 'when'.

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General Science and Ability QUESTION #251

Question 2216

The protein molecule is made of:

Alkaloids
Nucleosides
Short range chain of amino acids
Long range chain of amino acids✔️

Correct Answer Logic:

Proteins are large biomolecules consisting of long chains of amino acid residues.+1

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Egnlish QUESTION #682

Question 2217

"Room 101" appears in which novel?

Brave New World
Fahrenheit 451
1984✔️
Darkness at Noon

Correct Answer Logic:

Room 101 is the torture chamber in the Ministry of Love where victims are subjected to their own worst fears.

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Security Measures to Maintain Law and Order QUESTION #7680

Question 2218

In which year was the Airport Security Force (ASF) of Pakistan established?

1965
1976✔️
1983
None of these

Correct Answer Logic:

The Airport Security Force (ASF) of Pakistan was established in 1976 through an Act of Parliament. It is a federal law enforcement agency responsible for securing airports, civil aviation facilities, and ensuring aviation security in Pakistan.

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