DCOA Mixed Practice Test #380

Question 1

'Dominant caste' concept was also by:

Accepted Answer

Srinivas — Dominant caste: numerically preponderant + economically prosperous + politically powerful in a village. Not necessarily upper caste in ritual hierarchy.

Answer

Ambedkar

Answer

Gandhi

Answer

Ghurye

Question 2

The only natural satellite of Earth is:

Accepted Answer

Moon — The Moon (diameter ~3,474 km) orbits Earth every ~27.3 days.

Answer

Titan

Answer

Phobos

Answer

Europa

Question 3

In a healthcare setting, the most effective single measure to prevent the spread of healthcare-associated infections (HAIs) is:

Accepted Answer

C. Strict adherence to hand hygiene protocols. — Strict adherence to hand hygiene protocols (handwashing with soap and water or using alcohol-based hand rub) is universally recognized as the single most effective measure to prevent the transmission of pathogens and reduce the incidence of healthcare-associated infections. While other measures like PPE, disinfection, and isolation are crucial, hand hygiene has the broadest impact across all patient care activities.

Answer

A. Routine environmental disinfection.

Answer

B. Proper use of personal protective equipment (PPE).

Answer

D. Isolation of infected patients.

Question 4

Number of chromosomes in human somatic cells:‌​‍

Accepted Answer

46 (44 autosomes + 2 sex) — 22 pairs autosomes + XX (female) or XY (male). Discovered by Tjio & Levan 1956.‌​‍

Answer

92

Answer

48

Answer

23

Question 5

The Indian government launched a comprehensive program integrating Sarva Shiksha Abhiyan (SSA), Rashtriya Madhyamik Shiksha Abhiyan (RMSA), and Teacher Education (TE) schemes to ensure inclusive and equitable quality education at all levels of school education. Kerala implements this program with its own state-specific adaptations. What is this integrated scheme known as?

Accepted Answer

B. Samagra Shiksha Kerala — Samagra Shiksha Kerala is the state-specific implementation of the central government's integrated scheme, Samagra Shiksha Abhiyan. It consolidates Sarva Shiksha Abhiyan (SSA), Rashtriya Madhyamik Shiksha Abhiyan (RMSA), and Teacher Education (TE) to ensure holistic and equitable quality education across all levels of school education. Pothuvidyabhyasa Samrakshana Yagnam is Kerala's overarching state mission, while Hi-Tech School Project and Vidyakiranam are specific initiatives within the broader educational framework.

Answer

A. Pothuvidyabhyasa Samrakshana Yagnam

Answer

C. Hi-Tech School Project

Answer

D. Vidyakiranam

Question 6

Molar mass from elevation in boiling point — formula:‌​‍

Accepted Answer

M = Kb·w/(ΔTb·W) — Elevation: ΔTb = Kb·m. ‌​‍Colligative property. Kb = ebullioscopic constant (water 0.52 K kg/mol).

Answer

ΔTb

Answer

m = ΔTb

Answer

Kb·W/w

Question 7

Coping strategies:‌​‍

Accepted Answer

Problem-focused and Emotion-focused (Lazarus & Folkman) — Problem-focused: change the situation. ‌​‍Emotion-focused: manage feelings. Adaptive vs maladaptive coping.

Answer

Only avoidance

Answer

Only confrontation

Answer

None

Question 8

Black soil is found in ___ district of Kerala.‌​‍

Accepted Answer

Palakkad — Black soil patches exist in Chittur taluk of Palakkad.‌​‍

Answer

Kannur

Answer

Wayanad

Answer

Kollam

Question 9

Mawsynram (Meghalaya) is known for:‌​‍

Accepted Answer

Highest average annual rainfall (~11,871 mm) — Orographic rainfall. ‌​‍Nearby Cherrapunji (Sohra) also very high. Funnel-shaped valley traps monsoon winds.

Answer

Coldest

Answer

Snow

Answer

Hottest

Question 10

Lenz's law is a manifestation of conservation of:‌​‍

Accepted Answer

Energy — Induced current opposes change in flux producing it. ‌​‍Otherwise energy would be created from nothing.

Answer

Momentum

Answer

Charge

Answer

Mass

DCOA Mixed Practice Test #380