DCOA Mixed Practice Test #679

Question 1

Make in India initiative launched:‌​‍

Accepted Answer

2014 — September 25, 2014. ‌​‍25 sectors. Objectives: increase manufacturing GDP share, create jobs, attract FDI. ‌​‍Sectors: defense, automobile, pharma.

Answer

2016

Answer

2020

Answer

2010

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

Europa

Answer

Phobos

Question 3

A Headmaster of a Government High School in Kottayam district needs sanction for the appointment of a substitute teacher due to a long-term leave vacancy and also requires approval for minor infrastructure repair funds. To which officer should these requests be primarily submitted for official processing and sanction?

Accepted Answer

B. District Educational Officer (DEO), Kottayam — The District Educational Officer (DEO) is the authority responsible for the administration and supervision of High Schools and Higher Secondary Schools within a district, including matters like teacher appointments, transfers, and allocation of funds for school maintenance. The AEO primarily deals with LP and UP schools, while the DDE supervises DEOs and AEOs at the district level.

Answer

A. Assistant Educational Officer (AEO), Kottayam

Answer

C. Deputy Director of Education (DDE), Kottayam

Answer

D. District Collector, Kottayam

Question 4

WWW inventor:‌​‍

Accepted Answer

Tim Berners-Lee — Tim Berners-Lee (1989, CERN).‌​‍

Answer

Gates

Answer

Jobs

Answer

Zuckerberg

Question 5

First Indian Air Chief:‌​‍

Accepted Answer

Subroto Mukherjee — AM Subroto Mukherjee (1954).‌​‍

Answer

Arjan Singh

Answer

Engineer

Answer

Lal

Question 6

When is World Environment Day observed?‌​‍

Accepted Answer

5 Jun — 5 June.‌​‍

Answer

22 Mar

Answer

22 Apr

Answer

16 Sep

Question 7

Inductive effect (–I):‌​‍

Accepted Answer

Withdraws electrons through sigma bonds — Electronegative groups (–NO₂, –CN, –Cl) pull e⁻ density. ‌​‍+I: alkyl groups donate.

Answer

Only π

Answer

Hyperconjugation

Answer

Donates electrons

Question 8

Decimal system originated in:‌​‍

Accepted Answer

India — Decimal place value system is Indian origin.‌​‍

Answer

Arabia

Answer

China

Answer

Greece

Question 9

Urine formation stages:

Accepted Answer

Filtration, reabsorption, secretion — Three steps in nephron.

Answer

Only filtration

Answer

Only one step

Answer

Two steps

Question 10

Drift velocity of electrons in a conductor:‌​‍

Accepted Answer

~10⁻⁴ m/s (very slow) — Despite slow drift, signal propagates near c because all electrons respond together. ‌​‍I = neAvd.

Answer

~10⁸ m/s (speed of light)

Answer

Zero

Answer

~10⁶

DCOA Mixed Practice Test #679