DCOA Mixed Practice Test #131

Question 1

Work done by a conservative force along a closed path is:

Accepted Answer

Zero — Conservative forces (gravity, spring) — W around closed loop = 0, path-independent. Defines potential energy.

Answer

Positive

Answer

Negative

Answer

Depends on path

Question 2

Blood group was discovered by:‌​‍

Accepted Answer

Karl Landsteiner — Karl Landsteiner discovered the ABO blood group system in 1901. ‌​‍He received the Nobel Prize in 1930 for this discovery.

Answer

Louis Pasteur

Answer

Alexander Fleming

Answer

Robert Koch

Question 3

Cataract involves:

Accepted Answer

Clouding of the lens — Cataract is opacification of the eye lens, typically age-related; treated by surgical replacement.

Answer

Detached retina

Answer

Pupil enlargement

Answer

Corneal ulcer

Question 4

Karl Marx and Engels published 'Communist Manifesto' in:‌​‍

Accepted Answer

1848 — Manifesto published Feb 1848, amid European revolutions. ‌​‍'A spectre is haunting Europe — the spectre of Communism.'

Answer

1867

Answer

1917

Answer

1789

Question 5

Date of Temple Entry Proclamation issued by Sree Chithira Thirunal:‌​‍

Accepted Answer

November 12, 1936 — The Proclamation was signed on 12 November 1936 (27 Thulam 1112 ME).‌​‍

Answer

October 12, 1936

Answer

December 12, 1936

Answer

August 12, 1936

Question 6

A teacher observes that students are distracted during lessons. What is the most effective way to regain their attention?

Accepted Answer

B. Using a non-verbal cue like raising a hand or turning off lights to signal attention — Non-verbal cues (Option B) are subtle, respectful, and effective in regaining attention without disrupting the lesson. Continuing without intervention (Option A) may worsen distraction, calling out names (Option C) can embarrass students, and unrelated questions (Option D) waste instructional time.

Answer

A. Continuing the lesson without interruption to maintain flow

Answer

C. Calling out the names of distracted students to bring them back on track

Answer

D. Pausing the lesson and asking a trivia question unrelated to the topic

Question 7

India's currency note replaced in 2023:‌​‍

Accepted Answer

₹2000 (withdrawn) — ₹2000 notes withdrawn (May 2023), still legal tender.‌​‍

Answer

₹100

Answer

₹1000

Answer

₹500

Question 8

Bekal Fort is in:

Accepted Answer

Kasaragod — Bekal Fort — largest fort in Kerala, Kasaragod district.

Answer

Kannur

Answer

Kozhikode

Answer

Thrissur

Question 9

The Suez Crisis (1956) was triggered by:‌​‍

Accepted Answer

Egypt's nationalisation of Suez Canal by Nasser — Nasser nationalised Canal (July 1956). ‌​‍UK, France, Israel invaded. US pressure forced withdrawal. ‌​‍End of British/French dominance in Middle East.

Answer

Oil embargo

Answer

Partition

Answer

WWII

Question 10

UK General Election 2024:‌​‍

Accepted Answer

Labour won — July 2024 Labour landslide.‌​‍

Answer

Cons retained

Answer

Lib Dem

Answer

Hung

DCOA Mixed Practice Test #131