DCOA Mixed Practice Test #362

Question 1

A high school student memorizes the formula for the area of a triangle (A = ½ × base × height) but fails to apply it to solve a real-world problem about land measurement. Ausubel would attribute this to:

Accepted Answer

A. Rote learning without meaningful understanding or connection to prior knowledge — Ausubel emphasized meaningful learning, where new knowledge must be assimilated into existing cognitive structures. Rote memorization (A) leads to surface-level understanding and poor application. Cognitive dissonance (B) is a motivational concept, discovery learning (C) is Bruner’s approach, and practice alone (D) without meaning doesn’t address underlying comprehension issues.

Answer

B. Lack of cognitive dissonance in the learning process

Answer

C. Over-reliance on discovery learning methods

Answer

D. Insufficient practice with similar problems

Question 2

The Keezhariyur Bomb Case (1942) during the Quit India Movement in Kerala was led by:‌​‍

Accepted Answer

Dr. K.B. Menon — Dr K.B. ‌​‍Menon led the group that detonated bombs at Keezhariyur on 17 November 1942.

Answer

K. Kelappan

Answer

Mannath Padmanabhan

Answer

A.K. Gopalan

Question 3

Principle of conservation of momentum in rocket propulsion explains:‌​‍

Accepted Answer

Thrust = (dm/dt)·v_exhaust — Rocket equation: v = v_e ln(m0/m). ‌​‍Works in vacuum (Newton's third law, not air pushing).

Answer

Buoyancy

Answer

Capillary rise

Answer

Gravity

Question 4

India's G20 logo meaning:‌​‍

Accepted Answer

Lotus, Vasudhaiva Kutumbakam — Lotus + theme.‌​‍

Answer

Simple emblem

Answer

Peacock

Answer

Tiger

Question 5

Chief Minister of Kerala 2026:‌​‍

Accepted Answer

Pinarayi Vijayan — Pinarayi Vijayan (2nd consecutive term since 2021).‌​‍

Answer

Oommen Chandy

Answer

V.S. Achuthanandan

Answer

Ramesh Chennithala

Question 6

pH scale range:‌​‍

Accepted Answer

0-14 — 0 (most acidic) to 14 (most alkaline). 7 = neutral.‌​‍

Answer

0-7

Answer

0-10

Answer

1-10

Question 7

The instrument used to measure temperature is:

Accepted Answer

Thermometer — Thermometers use thermal expansion (Hg, alcohol) or electronic sensors.

Answer

Barometer

Answer

Hygrometer

Answer

Altimeter

Question 8

Ayyankali was a member of the Sri Mulam Praja Sabha from which community?‌​‍

Accepted Answer

Pulaya — Ayyankali, a Pulaya leader, was nominated to the Sri Mulam Praja Sabha of Travancore (1912).‌​‍

Answer

Christian

Answer

Ezhava

Answer

Nair

Question 9

WWW was invented by:‌​‍

Accepted Answer

Tim Berners-Lee — Tim Berners-Lee invented the World Wide Web in 1989 at CERN.‌​‍

Answer

Bill Gates

Answer

Steve Jobs

Answer

Mark Zuckerberg

Question 10

Probability of certain event:‌​‍

Accepted Answer

1 — Impossible event: 0. All probabilities in [0,1]. Sum over sample space = 1.‌​‍

Answer

0.5

Answer

0

Answer

∞

DCOA Mixed Practice Test #362