DCOA Mixed Practice Test #259

Question 1

'Anatolian' refers to people of:‌​‍

Accepted Answer

Asia Minor — Anatolia = historic name for Asia Minor (modern Turkey).‌​‍

Answer

East Asia

Answer

Arabia

Answer

Europe

Question 2

The first Prime Minister of Kochi after Praja Mandal's merger with Congress was:

Accepted Answer

Ikkanda Warrier — Ikkanda Warrier became Kochi's first Congress PM (1948-49).

Answer

Panampilly Govinda Menon

Answer

Pattom Thanu Pillai

Answer

C. Kesavan

Question 3

Pazhassi Raja is also known as:‌​‍

Accepted Answer

Kerala Simham — Kerala Varma Pazhassi Raja is known as 'Kerala Simham' (Lion of Kerala) for his guerrilla resistance against the British in Malabar/Wayanad.‌​‍

Answer

Kerala Gandhi

Answer

Kerala Varma

Answer

Kerala Kesari

Question 4

The functional group −COOH is called:

Accepted Answer

Carboxyl — −COOH is the carboxyl group, characteristic of carboxylic acids (e.g., acetic acid).

Answer

Hydroxyl

Answer

Aldehyde

Answer

Ketone

Question 5

Oommen Chandy's Solar controversy:‌​‍

Accepted Answer

2013 — Solar scam allegations 2013.‌​‍

Answer

2015

Answer

2011

Answer

2016

Question 6

Bohr's model explains:‌​‍

Accepted Answer

Hydrogen atom spectrum successfully — Explains discrete energy levels and H-spectrum. ‌​‍Fails for multi-e atoms and fine structure.

Answer

Zeeman effect

Answer

All atomic behavior

Answer

Multi-electron atoms

Question 7

Which gas is essential for combustion?‌​‍

Accepted Answer

Oxygen — Oxygen supports combustion; other gases extinguish flames.‌​‍

Answer

Hydrogen

Answer

Nitrogen

Answer

Carbon dioxide

Question 8

Which part of the brain is primarily responsible for coordinating voluntary movements, balance, and posture?

Accepted Answer

B. Cerebellum — The cerebellum is crucial for fine-tuning motor activity, maintaining balance, and ensuring coordinated movements. While the cerebrum initiates voluntary movements, the cerebellum refines them. The brainstem controls vital involuntary functions, and the thalamus acts as a relay station for sensory information.

Answer

A. Cerebrum

Answer

C. Brainstem

Answer

D. Thalamus

Question 9

TRAI HQ:

Accepted Answer

Delhi — New Delhi.

Answer

Mumbai

Answer

Bangalore

Answer

Hyderabad

Question 10

Mango:‌​‍

Accepted Answer

All — National fruit.‌​‍

Answer

National Fruit

Answer

Sacred

Answer

State

DCOA Mixed Practice Test #259