DCOA Mixed Practice Test #374

Question 1

Makti Thangal, a social reformer of Kerala Muslims, campaigned against:

Accepted Answer

Superstition and conservatism within the Muslim community — Makti Thangal (1847–1912) promoted modern education and reform among Kerala Muslims.

Answer

Hindu temple entry

Answer

Land reform

Answer

Caste system

Question 2

Passive of 'They will finish the project':‌​‍

Accepted Answer

The project will be finished by them — Future passive: will be + V3. 'The project will be finished by them.'‌​‍

Answer

The project will finished by them

Answer

The project will being finished

Answer

The project shall be finished

Question 3

First English school Kerala:‌​‍

Accepted Answer

Nagercoil 1819 — Nagercoil LMS 1819.‌​‍

Answer

Kochi

Answer

TVM

Answer

Alappuzha

Question 4

Which of the following is the PRIMARY advantage of using an Interactive Whiteboard (IWB) over a traditional blackboard in teaching?

Accepted Answer

B. It supports multimedia integration, saving and reuse of content, and interactive lessons — Interactive Whiteboards enable multimedia integration (videos, animations), save and reuse lessons, and support interactive teaching methods. Traditional blackboards lack these features, and while IWBs may have a higher initial cost, their long-term functionality outweighs this. They do require technical knowledge, ruling out option D.

Answer

A. It allows students to write directly on the board with chalks

Answer

C. It is more cost-effective than a blackboard

Answer

D. It requires no technical knowledge to operate

Question 5

Sri Lanka's Tamil conflict (1983-2009) ended with:

Accepted Answer

Military defeat of LTTE (May 2009) — 26-year civil war ended when Sri Lankan military defeated LTTE. Prabhakaran killed May 2009. ~100,000 total deaths. Accountability for human rights violations remains contested.

Answer

Ceasefire

Answer

Independence

Answer

Autonomy

Question 6

India's longest railway platform (as of 2024) is at:‌​‍

Accepted Answer

Hubballi — Hubballi (Hubli) railway station in Karnataka has the world's longest platform at 1,507 metres (Guinness Record 2024).‌​‍

Answer

Gorakhpur

Answer

Kharagpur

Answer

Sonepur

Question 7

Which inorganic compound is commonly used as an antacid and is also a constituent of toothpaste due to its mild abrasive and fluoride-releasing properties?

Accepted Answer

D. Sodium fluoride (NaF) — Sodium fluoride (NaF) is widely used in toothpastes and mouthwashes for its ability to remineralize enamel and prevent dental caries. While the other options are antacids, only NaF provides fluoride, essential for dental health.

Answer

A. Calcium carbonate (CaCO3)

Answer

B. Magnesium hydroxide (Mg(OH)2)

Answer

C. Sodium bicarbonate (NaHCO3)

Question 8

The writ 'Habeas Corpus' literally means:‌​‍

Accepted Answer

You may have the body — Habeas Corpus demands production of a detained person before court to check legality of detention.‌​‍

Answer

To certify

Answer

By what warrant

Answer

We command

Question 9

German silver contains:‌​‍

Accepted Answer

Cu + Zn + Ni — German silver has no silver — it is an alloy of Cu, Zn, Ni.‌​‍

Answer

Silver + zinc

Answer

Silver only

Answer

Silver + copper

Question 10

Which is the densest naturally occurring element at STP?‌​‍

Accepted Answer

Osmium — Osmium (Os) has density 22.59 g/cm³ — densest natural element.‌​‍

Answer

Gold

Answer

Lead

Answer

Platinum

DCOA Mixed Practice Test #374