Reading Mode - Questions

MCQs Section QUESTION #4844

Pick the word nearly opposite in meaning to "SEDENTARY"

Afraid
Loyal
Active✔️
Torpid

Correct Answer Logic:

Sedentary means tending to spend much time seated or inactive. Its antonym is 'active,' meaning engaging in physical movement and not remaining still.

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MBBS QUESTION #10153

Question 2462

A skin biopsy shows stratified squamous keratinized epithelium with a granular layer and surface keratin. This tissue was most likely obtained from:

Esophageal mucosa
Epidermis of the skin✔️
Tracheal mucosa
Urinary bladder mucosa

Correct Answer Logic:

The epidermis is stratified squamous keratinized epithelium, adapted to withstand mechanical stress and desiccation. The esophagus is also stratified squamous but non-keratinized; trachea is pseudostratified ciliated columnar; bladder is transitional (urothelium).

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MBBS QUESTION #10318

Question 2463

Using the Michaelis-Menten equation $v = \dfrac{V_{max}[S]}{K_m + [S]}$, the Michaelis constant ($K_m$) of an enzyme represents:

The maximum possible reaction velocity achievable at saturating substrate
The substrate concentration at which reaction velocity is exactly half of $V_{max}$, serving as an inverse measure of enzyme-substrate affinity✔️
The total enzyme concentration present in the reaction
The equilibrium constant of the overall catalyzed reaction

Correct Answer Logic:

$K_m$ is the substrate concentration giving half-maximal velocity; a low $K_m$ indicates high enzyme-substrate affinity (half-maximal rate reached at low substrate concentration), while a high $K_m$ indicates lower affinity — a key parameter for comparing isoenzymes and predicting drug/substrate behavior.

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General Knowledge QUESTION #11564

Question 2464

Competent Operated Machine Particularly Used for Technical Education and Research
Commonly Operated Machine Particularly Used for Technical Education and Research✔️
Commonly Operated Machine Particularly Used for Trade Education and Research
Commonly Operated Machine Particularly Used for Technical Electron and Research

Correct Answer Logic:

COMPUTER is expanded as Commonly Operated Machine Particularly Used for Technical Education and Research. Note: 'computer' is NOT actually an acronym — it is a regular English word derived from Latin computare (to calculate). The expansion is a backronym used for educational purposes.

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Physics QUESTION #989

Question 2465

An electron projected perpendicular to a uniform magnetic field $B$ moves in a circle. If Bohr's quantization is applicable, then the radius of the electronic orbit in the first excited state is:

$\sqrt{\dfrac{h}{\pi eB}}$✔️
$\sqrt{\dfrac{2h}{\pi eB}}$
$\sqrt{\dfrac{h}{2\pi eB}}$
$\sqrt{\dfrac{4h}{\pi eB}}$

Correct Answer Logic:

By Bohr quantization: $mvr = \frac{nh}{2\pi}$. For circular motion in $B$: $mv = eBr$. So $eBr^2 = \frac{nh}{2\pi} \Rightarrow r = \sqrt{\frac{nh}{2\pi eB}}$. First excited state: $n=2$ gives $r=\sqrt{\frac{2h}{2\pi eB}}=\sqrt{\frac{h}{\pi eB}}$.

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Agronomy QUESTION #2110

Question 2466

The 'yield gap' concept in agronomy is defined as the difference between:

The yield of traditional varieties and modern high-yielding varieties under the same management
Potential yield (Yp — maximum achievable by best-adapted variety with optimal management, no biotic/abiotic stress) and actual farm yield (Ya) — quantifying the improvement possible through better agronomic management, technology adoption, and policy support without requiring new variety development✔️
The yield of irrigated crops versus rainfed crops in the same region
The maximum recorded experimental yield and the national average yield reported by FAO

Correct Answer Logic:

Yield gap analysis (van Ittersum framework): Yp = potential yield (radiation-limited in irrigated; temperature and radiation in rainfed = water-limited yield, Yw). Ya = actual farm yield. Yield gap = Yp or Yw − Ya. Globally, average Ya is 50–60% of Yp for major cereals. Closing the yield gap through improved agronomy (fertilization, pest control, irrigation timing) can double production without expanding cultivated area.

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Dairy Food Science and Technology QUESTION #5972

Question 2467

The approximate pH range of fresh normal cow's milk is:

$5.5\text{–}6.0$
$6.6\text{–}6.8$✔️
$7.2\text{–}7.5$
$4.5\text{–}5.0$

Correct Answer Logic:

Fresh normal bovine milk has a $\text{pH}$ of $6.6\text{–}6.8$ (typically $6.65\text{–}6.71$). This is slightly acidic due to dissolved $\text{CO}_2$, proteins, phosphates, and citrates. Mastitic milk tends to have higher $\text{pH}$ ($>6.8\text{–}7.0$); acidic/sour milk has lower $\text{pH}$.

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Chemistry QUESTION #1099

Question 2468

Match List I (Vitamin) with List II (Deficiency disease): A. Vitamin B$_{12}$ B. Vitamin D C. Vitamin B$_2$ D. Vitamin B$_6$; with I. Cheilosis II. Convulsions III. Rickets IV. Pernicious anaemia

A-II, B-III, C-I, D-IV
A-IV, B-III, C-II, D-I
A-I, B-III, C-II, D-IV
A-IV, B-III, C-I, D-II✔️

Correct Answer Logic:

Vitamin B$_{12}$ deficiency → Pernicious anaemia (IV). Vitamin D deficiency → Rickets (III). Vitamin B$_2$ (riboflavin) deficiency → Cheilosis (cracking of lips) (I). Vitamin B$_6$ (pyridoxine) deficiency → Convulsions (II). Matching: A-IV, B-III, C-I, D-II.

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Education QUESTION #7598

Question 2469

In which teaching method are learners encouraged to explore and find answers through their own investigation?

Inquiry based method✔️
Scientific method
Focus group discussions
None of these

Correct Answer Logic:

Inquiry-based learning places students in active roles where they formulate questions, investigate phenomena, and construct their own answers through discovery.

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Agriculture Economics QUESTION #11875

Question 2470

An isoquant represents:

All combinations of two inputs yielding equal cost
All combinations of two inputs yielding the same level of output✔️
The maximum output attainable from any input combination
A firm's total revenue at various output levels

Correct Answer Logic:

An isoquant maps all input combinations that produce an identical quantity of output.

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Physics QUESTION #7064

Question 2471

In a common emitter configuration for a transistor, if $\alpha$ and $\beta$ represent the current gains in common base and common emitter modes respectively, identify the incorrect relationship between them.

$\alpha = \frac{\beta}{1-\beta}$✔️
$\alpha = \frac{\beta}{1+\beta}$
$\alpha = \frac{\beta^2}{1+\beta^2+2\beta}$
$\frac{1}{\alpha} = \frac{1}{\beta} + 1$

Correct Answer Logic:

The standard relation between $\alpha$ and $\beta$ is $\beta = \frac{\alpha}{1-\alpha}$, which can be rearranged to $\alpha = \frac{\beta}{1+\beta}$.

Option B is correct.
Option D is simply a rearranged form: $\frac{1}{\alpha} = \frac{1+\beta}{\beta} = \frac{1}{\beta} + 1$.
Option C is the square of Option B: $\alpha = \left(\frac{\beta}{1+\beta}\right)^2$. While not the standard linear relation, Option A is explicitly wrong because $\alpha$ must always be less than 1, and $\frac{\beta}{1-\beta}$ would result in a value greater than 1.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3425

Question 2472

'Hydrogen Bonds' in DNA occur between:

Sugar and Phosphate
Nitrogenous bases✔️
Phosphate and Oxygen
Carbon atoms

Correct Answer Logic:

They hold the two strands of the double helix together.

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Physics QUESTION #1035

Question 2473

Two inclined surfaces of equal length $L$ at $45°$: one rough, one smooth. A body takes 2 times longer on the rough surface. The coefficient of kinetic friction $\mu_k$ is close to:

0.5
0.75✔️
0.25
0.40

Correct Answer Logic:

On smooth: $a_s = g\sin45°$. On rough: $a_r = g(\sin45°-\mu_k\cos45°)$. Time ratio: $t_r/t_s=2$. Since $L = \frac{1}{2}at^2$: $t\propto 1/\sqrt{a}$. So $\frac{t_r}{t_s}=\sqrt{\frac{a_s}{a_r}}=2\Rightarrow \frac{a_s}{a_r}=4\Rightarrow a_r=\frac{a_s}{4}$. $g(\sin45°-\mu_k\cos45°)=\frac{g\sin45°}{4}\Rightarrow 1-\mu_k=\frac{1}{4}\Rightarrow \mu_k=0.75$.

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Ability / HR / Governance / Special Education QUESTION #1890

Question 2474

What happens to the pay and service status of a government servant placed on leave under Rule 5(1)(i) who is ultimately NOT dismissed removed reduced or compulsorily retired?

The leave is treated as extraordinary leave without pay
The leave is treated as duty on full pay✔️
The leave period is counted toward pension only
The leave is regularized as earned leave

Correct Answer Logic:

Rule 8-A explicitly provides that if such a government servant is not punished he shall rejoin duty and the leave period shall be treated as duty on full pay.

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General Knowledge QUESTION #8656

Question 2475

What is a 'casting vote'?

Deciding vote
Vote cast in case of a tie✔️
Both a and b
None of above

Correct Answer Logic:

A casting vote is used to break a tie.

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Reading and Writing (Module-1) QUESTION #10436

Question 2476

Responding to accusations that her lectures were disorganized and -------, the professor restructured her syllabus for greater coherence and -------.

muddled . . clarity✔️
engaging . . simplicity
terse . . vagueness
rigorous . . confusion

Correct Answer Logic:

Disorganized lectures are 'muddled,' and restructuring for coherence produces 'clarity.'

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Home Economics QUESTION #6256

Question 2477

The 'Empty Nest' syndrome refers to which stage of the family life cycle?

Beginning stage
Expanding stage
Contracting stage✔️
Founding stage

Correct Answer Logic:

The contracting stage begins when adult children leave the home.

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Sociology QUESTION #1676

Question 2478

Anthony Giddens introduced the concept of 'double hermeneutics' to describe a distinctive epistemological condition unique to the social sciences. This concept refers to which methodological challenge?

The impossibility of achieving objective knowledge in any scientific discipline
The two-way interpretive relationship in which social scientists must interpret a social world that is itself already pre-interpreted by the actors within it, whose concepts in turn re-enter and reshape social life✔️
The hermeneutic circle in which texts can only be understood in terms of the whole, and the whole in terms of its parts
The double-blind methodology required for unbiased social scientific experimentation

Correct Answer Logic:

Giddens introduced 'double hermeneutics' in 'New Rules of Sociological Method' (1976) to describe how social science involves a double layer of interpretation: social scientists interpret a world that lay actors have already interpreted using their own concepts. Moreover, social scientific concepts can be appropriated by lay actors, feeding back into social reality and transforming it — a reflexive dynamic absent in natural science.

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Maths QUESTION #7999

Question 2479

In a class of 550 students, 42% wish to go to college. How many students wish to attend college?

210
220
225
231✔️

Correct Answer Logic:

$0.42 \times 550 = 231$ students

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Agronomy QUESTION #2075

Question 2480

Weeds are classified as 'obligate weeds' when they:

Can survive equally well in cultivated and natural undisturbed habitats
Are exclusively associated with cultivated land and cannot persist in natural plant communities — their survival depends entirely on the disturbance created by agricultural operations✔️
Are resistant to all registered herbicides in a given crop
Produce allelopathic chemicals that suppress crop germination

Correct Answer Logic:

Obligate (or agrestal) weeds are ecologically specialized to agricultural habitats — they germinate with crop seeds, mimic crop morphology (Vavilovian mimicry), and cannot compete in undisturbed natural vegetation. Examples include Phalaris minor in wheat and Echinochloa crus-galli in rice. Their persistence is entirely dependent on continued soil disturbance through tillage.

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