VFA Mixed Practice Test #221

Question 1

State fish:‌​‍

Accepted Answer

Karimeen — Karimeen (Pearl Spot/Green Chromide).‌​‍

Answer

Sardine

Answer

Pomfret

Answer

Tuna

Question 2

Neutrino hypothesis proposed by:‌​‍

Accepted Answer

Pauli (to conserve energy in β-decay) — 1930 'desperate remedy'. ‌​‍Named by Fermi. Detected 1956 (Cowan-Reines). ‌​‍Kajita-McDonald Nobel 2015 for neutrino oscillations.

Answer

Heisenberg

Answer

Dirac

Answer

Fermi

Question 3

Darwin's theory emphasised:‌​‍

Accepted Answer

Natural selection, variation, descent with modification — On the Origin of Species (1859). ‌​‍Galapagos finches; selection pressure. Co-discovered with A.R. ‌​‍Wallace.

Answer

Spontaneous generation

Answer

Use and disuse (Lamarck)

Answer

Mutation pressure

Question 4

The Kerala Land Reforms (Amendment) Act, 1969, is widely considered a watershed moment in Kerala's socio-economic history. Which of the following best describes the most revolutionary aspect of this amendment?

Accepted Answer

B. It granted ownership rights directly to cultivating tenants and abolished landlordism, effectively ending the traditional landlord-tenant relationship. — The Kerala Land Reforms (Amendment) Act, 1969, fundamentally transformed Kerala's agrarian structure by abolishing landlordism and conferring ownership rights directly upon cultivating tenants. This effectively dismantled the feudal landlord-tenant system, securing land for millions and empowering the tillers of the soil. Options A, C, and D describe unrelated, secondary, or incorrect aspects of this landmark legislation.

Answer

A. It introduced a progressive income tax system on agricultural profits, significantly increasing state revenue.

Answer

C. The Act established a comprehensive system of cooperative farming societies, making them the sole legal entities for land ownership and cultivation.

Answer

D. It mandated the relocation of landless laborers to newly developed industrial zones, diversifying the state's economy away from agriculture.

Question 5

The 'Education Bill' by the first EMS Ministry focused on:

Accepted Answer

Government control over private aided schools — The Kerala Education Bill 1957 sought state regulation of private aided schools — triggering the Vimochana Samaram.

Answer

Free technical education

Answer

English as medium of instruction

Answer

Adult literacy

Question 6

Pressure cooker cooks faster because:‌​‍

Accepted Answer

Higher boiling point due to increased pressure — Higher pressure raises the boiling point of water above 100°C, cooking food faster.‌​‍

Answer

More heat

Answer

Less water

Answer

Better material

Question 7

Sahodaran Ayyappan is associated with the slogan:

Accepted Answer

No Caste No Religion No God — Sahodaran Ayyappan extended Sree Narayana Guru's slogan to 'No Caste, No Religion, No God for Mankind'.

Answer

One Caste One Religion One God

Answer

Educate Organise Agitate

Answer

Freedom is my Birthright

Question 8

1 kilowatt-hour (kWh) equals:‌​‍

Accepted Answer

3.6 × 10⁶ J — 1 kWh = 1000 W × 3600 s = 3.6 × 10⁶ J = 1 unit of electricity.‌​‍

Answer

1 W × 1 s

Answer

1,000 J

Answer

3.6 × 10³ J

Question 9

Which action by a teacher would be LEAST consistent with a constructivist approach to teaching?

Accepted Answer

D. Delivering a lecture that requires students to passively listen and take detailed notes on new information. — A constructivist approach emphasizes active learning, student inquiry, and knowledge construction, where students are not passive recipients. Delivering a lecture that requires passive listening is a traditional, transmission-based model, which is least consistent with constructivism. Options A, B, and C all promote active engagement, critical thinking, and collaborative learning, which are central to constructivism.

Answer

A. Encouraging students to debate different interpretations of a historical event.

Answer

B. Providing open-ended projects that allow students to explore topics of interest.

Answer

C. Setting up collaborative group tasks for students to solve complex problems.

Question 10

Gravitational force between two masses is proportional to:‌​‍

Accepted Answer

Product of masses — Newton's law of gravitation: F = G·m₁m₂/r².‌​‍

Answer

Cube of distance

Answer

Sum of masses

Answer

Difference of masses

VFA Mixed Practice Test #221