DCOA Mixed Practice Test #442

Question 1

Aadhaar number in India is a:‌​‍

Accepted Answer

12-digit unique identity number — Aadhaar is 12 digits issued by UIDAI.‌​‍

Answer

10-digit phone

Answer

PAN card

Answer

Voter ID

Question 2

In 2022, which Indian state launched a first-of-its-kind scheme aimed specifically at employment of transgender individuals?‌​‍

Accepted Answer

Kerala — Kerala launched the transgender employment initiative in 2022.‌​‍

Answer

Gujarat

Answer

Maharashtra

Answer

Tamil Nadu

Question 3

Patturumal — Cherussery poet:‌​‍

Accepted Answer

Krishnagatha author — Cherussery Krishna's Krishnagatha.‌​‍

Answer

Mahabharat

Answer

Ramayanam

Answer

Meghadoot

Question 4

One astronomical unit (AU) is defined as:

Accepted Answer

Distance from Earth to Sun — 1 AU ≈ 149.6 million km.

Answer

Distance from Earth to Moon

Answer

Distance to the nearest star

Answer

Distance of light in one year

Question 5

First railway line in Kerala:

Accepted Answer

Beypore-Tirur 1861 — Beypore to Tirur 1861.

Answer

Kollam-TVM

Answer

Kochi-Madras

Answer

Palakkad-Shoranur

Question 6

Cortisol, a stress hormone, is secreted by:‌​‍

Accepted Answer

Adrenal cortex — Adrenal cortex produces corticosteroids (cortisol) — regulate metabolism and immune response.‌​‍

Answer

Thyroid

Answer

Adrenal medulla

Answer

Ovary

Question 7

A school conducts a final examination at the end of the academic year to determine promotion to the next grade. Simultaneously, teachers maintain portfolios of student work throughout the year and provide weekly comments on their progress. The final examination serves as a ________ assessment, while the portfolio and weekly comments serve as ________ assessment.

Accepted Answer

C. summative; formative — The final examination at the end of the year for promotion is a classic example of summative assessment, as it evaluates learning outcomes and certifies achievement. The ongoing maintenance of portfolios and weekly comments providing feedback for progress are characteristic of formative assessment, aimed at improving learning during the instructional process. Diagnostic assessment identifies initial knowledge gaps, and placement assessment determines appropriate course levels.

Answer

A. formative; summative

Answer

B. diagnostic; formative

Answer

D. summative; diagnostic

Question 8

Solar cells convert:‌​‍

Accepted Answer

Light to electricity (photovoltaic effect) — Photovoltaic cells (usually Si) produce electricity from photons via the photoelectric effect.‌​‍

Answer

Heat to electricity

Answer

Chemical to electrical

Answer

Mechanical to electrical

Question 9

Walmart owns:‌​‍

Accepted Answer

Flipkart — Since 2018 acquisition.‌​‍

Answer

Reliance

Answer

Paytm

Answer

Amazon

Question 10

Cuban Missile Crisis (October 1962) was a stand-off between:‌​‍

Accepted Answer

US and USSR over Soviet nuclear missiles in Cuba — 13 days of intense crisis. ‌​‍JFK imposed naval quarantine. Khrushchev withdrew missiles in exchange for secret US removal of Jupiter missiles from Turkey.

Answer

US and China

Answer

USSR and China

Answer

US and Cuba

DCOA Mixed Practice Test #442