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General Abilities QUESTION #4524

Question 1561

If $a < b$ and $c < 0$, then $ac$:

$< bc$
> bc✔️
$= bc$
Cannot determine

Correct Answer Logic:

Multiplying both sides by negative reverses inequality. Since $c < 0$: $a < b \Rightarrow ac > bc$

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Biology QUESTION #7256

Question 1562

ICBN stands for:

Indian Code of Botanical Nomenclature
Indian Congress of Biological Names
International Code of Botanical Nomenclature✔️
International Congress of Biological Names

Correct Answer Logic:

ICBN stands for International Code of Botanical Nomenclature. It is the set of rules governing the naming of plants, algae, and fungi. It ensures each plant has one accepted scientific name, following binomial nomenclature as proposed by Linnaeus. (Now updated to ICN — International Code of Nomenclature for algae, fungi, and plants.)

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Library Sciences QUESTION #1556

Question 1563

In information science, Shannon and Weaver's Mathematical Theory of Communication (1949) contributed to library science by providing a framework for understanding:

How to classify books using decimal notation
The transmission, noise, and channel capacity of information signals and systems✔️
How to conduct reference interviews
The historical development of library catalogues

Correct Answer Logic:

Shannon and Weaver's model introduced concepts of information transmission, signal noise, entropy, and channel capacity. These concepts informed the development of information retrieval systems and helped quantify information — foundational to the information science dimension of LIS.

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Physics QUESTION #386

Question 1564

An __________ missile is called a ballistic missile.

Un-powered and guided
Un-guided and powered
Powered and guided
Un-powered and un-guided✔️

Correct Answer Logic:

Ballistic missiles are unpowered and unguided in flight phase

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Education QUESTION #6901

Question 1565

The 'Nice Teacher Syndrome' in classroom discipline refers to which problematic pattern of teacher behavior?

Teachers who are so strictly disciplinarian that students fear to ask questions
Teachers who, out of a desire to be liked, give unnecessary allowances to students, unintentionally rewarding and entrenching disruptive behavior✔️
Teachers who over-reward students with praise, creating dependency on external validation
Teachers who avoid confrontation by referring all discipline issues to school administration

Correct Answer Logic:

The Nice Teacher Syndrome describes beginning teachers who prioritize being liked over enforcing expectations. By making excessive allowances, these teachers inadvertently signal that misbehavior has no real consequences — reinforcing the very behavior they hope to avoid. Effective classroom management requires teachers to be caring but also firm and consistent.

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Dairy Food Science and Technology QUESTION #5897

Question 1566

In CIP (Cleaning-In-Place) of dairy equipment, the correct sequence of steps is:

Hot water rinse $\rightarrow$ caustic wash $\rightarrow$ acid wash $\rightarrow$ sanitizer $\rightarrow$ final rinse
Pre-rinse (warm water $35\text{–}40^{\circ}\text{C}$) $\rightarrow$ caustic wash (NaOH $1\text{–}2\%$, $70\text{–}80^{\circ}\text{C}$) $\rightarrow$ intermediate rinse $\rightarrow$ acid wash $\rightarrow$ final rinse $\rightarrow$ sanitizer✔️
Acid wash $\rightarrow$ caustic wash $\rightarrow$ pre-rinse $\rightarrow$ sanitizer
Sanitizer $\rightarrow$ caustic wash $\rightarrow$ acid wash $\rightarrow$ water rinse

Correct Answer Logic:

Standard CIP sequence: (1) Pre-rinse with warm water ($35\text{–}40^{\circ}\text{C}$); (2) Alkaline wash (NaOH $1\text{–}2\%$ at $70\text{–}80^{\circ}\text{C}$) to remove proteins and fats; (3) Intermediate water rinse; (4) Acid wash ($\text{HNO}_3$ or $\text{H}_3\text{PO}_4$ $0.5\text{–}1\%$) to remove milkstone; (5) Final water rinse; (6) Sanitizer before use.

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English QUESTION #2663

Question 1567

Choose the word that has a similar meaning to: 'ABANDON'

Keep
Forsake✔️
Adopt
Protect

Correct Answer Logic:

To 'abandon' means to leave or give up completely; 'forsake' is to desert.

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Boilers Mechanical Engineering QUESTION #2417

Question 1568

The thermal diffusivity $\alpha$ is defined as:

$\alpha = \rho c / k$
$\alpha = k / (\rho c)$✔️
$\alpha = k \cdot \rho \cdot c$
$\alpha = k / c$

Correct Answer Logic:

Thermal diffusivity $\alpha=k/(\rho c)$ (m²/s) characterizes how quickly a material responds to temperature changes. High $\alpha$ means faster thermal response.

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Planning QUESTION #4915

Question 1569

Which planning theory emphasizes the role of planners as facilitators rather than decision-makers?

Rational Comprehensive Planning
Incremental Planning
Advocacy Planning
Communicative Planning✔️

Correct Answer Logic:

Communicative Planning (also known as Collaborative Planning) emphasizes planners as facilitators who help stakeholders communicate and reach consensus, rather than making top-down decisions.

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Geography QUESTION #1251

Question 1570

'Spatial databases' are also known as:

Geodatabases✔️
Mono-databases
Concurrent databases
None of these

Correct Answer Logic:

Spatial databases (also called geodatabases) are databases optimized to store, query, and manipulate data that represents objects defined in geometric space — particularly geographic features. The term 'geodatabase' is widely used in GIS (especially in ESRI's ArcGIS platform) to describe a database of spatial/geographic data with both location and attribute information.

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Civil Procedure QUESTION #3754

Question 1571

A 'Joint Tenancy' is distinguished from a 'Tenancy in Common' primarily by:

The number of owners.
The right of survivorship.✔️
The type of property involved.
The length of the lease.

Correct Answer Logic:

In a joint tenancy, when one owner dies, their interest automatically passes to the surviving joint tenants (right of survivorship). In a tenancy in common, the interest passes to the deceased's heirs.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2993

Question 1572

Elixirs are characterized as being:

Oily solutions
Hydro-alcoholic solutions✔️
Aqueous suspensions
Viscous syrups

Correct Answer Logic:

Elixirs are clear, sweetened, hydro-alcoholic liquids intended for oral use.

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General Knowledge QUESTION #4488

Question 1573

On inauguration day President Trump withdrew USA from:

Paris Agreement✔️
World Health Organisation
NAFTA
Both (A) & (B)

Correct Answer Logic:

Trump initiated withdrawal from Paris Agreement soon after taking office.

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Chemistry QUESTION #7351

Question 1574

Measurement of an electron's position introduces an uncertainty in momentum equal to $1 \times 10^{-18}$ g cm s$^{-1}$. The uncertainty in electron velocity (mass of electron $= 9 \times 10^{-28}$ g) is:

$1 \times 10^{11}$ cm s$^{-1}$
$1 \times 10^{9}$ cm s$^{-1}$✔️
$1 \times 10^{6}$ cm s$^{-1}$
$1 \times 10^{5}$ cm s$^{-1}$

Correct Answer Logic:

Formula: $\Delta v = \dfrac{\Delta p}{m}$

$\Delta v = \dfrac{1 \times 10^{-18}}{9 \times 10^{-28}} = \dfrac{1}{9} \times 10^{10} \approx 1 \times 10^9$ cm s$^{-1}$

This enormously large uncertainty in velocity illustrates why classical mechanics fails for electrons — they cannot have precisely defined trajectories.

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Physics QUESTION #7013

Question 1575

A magnetic needle has magnetic moment $9.85 \times 10^{-2}\ \text{A/m}^2$ and moment of inertia $5 \times 10^{-6}\ \text{kg\,m}^2$. It performs 10 complete oscillations in 5 seconds in a uniform magnetic field. Find the magnitude of the field in mT.
(Take $\pi^2 = 9.85$)

10 mT✔️
20 mT
5 mT
1 mT

Correct Answer Logic:

Time period: $T = \frac{5}{10} = 0.5\ \text{s}$

Formula for oscillation: $T = 2\pi\sqrt{\frac{I}{MB}}$

$B = \frac{4\pi^2 I}{MT^2} = \frac{4 \times 9.85 \times 5\times10^{-6}}{9.85\times10^{-2} \times (0.5)^2}$

$= \frac{4 \times 9.85 \times 5\times10^{-6}}{9.85\times10^{-2} \times 0.25} = \frac{20\times10^{-5}}{2.4625\times10^{-3}} = 0.01\ \text{T} = 10\ \text{mT}$

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Verbal Reasoning QUESTION #8187

Question 1576

A rectangular playground is 24 meters wide and has the same area as another rectangular playground that is 64 meters long and 48 meters wide. What is the perimeter of the first playground?

$112$ m
$152$ m
$224$ m
$304$ m✔️

Correct Answer Logic:

Area of the second playground: $64 \times 48 = 3072$ square meters.

The first playground has width 24 m and the same area:

$24 \times \text{length} = 3072$

$\text{length} = \dfrac{3072}{24} = 128$ meters.

Perimeter $= 2(24 + 128) = 2 \times 152 = \mathbf{304}$ meters.

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Physics QUESTION #1054

Question 1577

Martian orbit radius $\approx4\times$ Mercury orbit radius. Martian year $=687$ Earth days. Length of 1 year on Mercury:

172 earth days
124 earth days
88 earth days✔️
225 earth days

Correct Answer Logic:

Kepler's 3rd law: $T^2\propto r^3$. $\frac{T_{Mer}^2}{T_{Mar}^2}=\frac{r_{Mer}^3}{r_{Mar}^3}=\frac{1}{4^3}=\frac{1}{64}$. $T_{Mer}=\frac{T_{Mar}}{8}=\frac{687}{8}\approx86\approx88\ \text{earth days}$.

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Sociology QUESTION #1670

Question 1578

The theoretical concept of 'hegemonic masculinity,' which examines how a dominant form of masculinity is culturally exalted and reproduced within a hierarchy of masculinities to sustain patriarchal social arrangements, was most centrally developed to address which sociological problem?

Explaining how capitalist ideology maintains class hegemony through gender norms
Analyzing how gender inequality is reproduced through the privileging of certain forms of masculinity over others and over femininities
Studying the internal power dynamics and subordination relationships among competing configurations of masculinity✔️
Critiquing the functionalist assumption that gender roles are biologically determined and socially functional

Correct Answer Logic:

Hegemonic masculinity, developed primarily by R.W. Connell (building on Gramsci's concept of hegemony), describes the culturally dominant form of masculinity that legitimizes men's dominance over women and over subordinated masculinities. It is a relational concept focused on the structural reproduction of gender hierarchy through the valorization of particular masculine ideals.

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Math Physics Chemistry Biology QUESTION #7767

Question 1579

The physical appearance or observable characteristic of an organism is called its:

Allele
Genetic code
Genotype
Trait✔️

Correct Answer Logic:

Trait (or phenotype) is the physical expression (e.g., tall, dwarf). Genotype is the genetic makeup; allele is a variant form; genetic code is the triplet codon system.

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Boilers Mechanical Engineering QUESTION #4016

Question 1580

'Refractory' material in a boiler furnace is used to:

Generate electricity
Withstand and reflect high temperatures while protecting the metal shell✔️
Act as a lubricant
Increase the weight of the boiler

Correct Answer Logic:

Firebricks and castables are used to line the furnace area.

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