KAS Prelims Mixed Practice Test #26

Question 1

Superlative of 'bad':‌​‍

Accepted Answer

worst — Bad - worse - worst.‌​‍

Answer

badder

Answer

worse

Answer

baddest

Question 2

Cognitive dissonance theory:‌​‍

Accepted Answer

Discomfort from holding contradictory cognitions → motivation to reduce (Festinger) — Leon Festinger (1957). ‌​‍We change attitudes or behaviors to reduce dissonance. Explains post-decisional rationalisation.

Answer

Stable

Answer

Only emotion

Answer

Agreement

Question 3

Photoelectric effect: photoelectrons are emitted when:‌​‍

Accepted Answer

Frequency > threshold (regardless of intensity) — Einstein (1905, Nobel 1921). ‌​‍KE_max = hν - φ. Confirmed particle (photon) nature of light.

Answer

Temperature high

Answer

Always

Answer

Intensity > threshold

Question 4

The first life forms on Earth appeared approximately:

Accepted Answer

3.5–4 billion years ago — Oldest known microbial fossils are ~3.5–3.7 billion years old.

Answer

10 million years ago

Answer

500 million years ago

Answer

1 billion years ago

Question 5

Which article of the Indian Constitution abolishes untouchability?‌​‍

Accepted Answer

Article 17 — Article 17 abolishes untouchability in all forms and makes its practice a punishable offence.‌​‍

Answer

Article 14

Answer

Article 18

Answer

Article 15

Question 6

A rapidly developing urban area in Kerala is grappling with escalating levels of air pollution, primarily from vehicular emissions and industrial activities, leading to public health concerns and environmental degradation. Which of the following integrated strategies would be most effective and sustainable for long-term air quality improvement?

Accepted Answer

C. Promoting significant investment in electric vehicle infrastructure and public transport, enforcing stringent emission standards for both vehicles and industries, and facilitating the transition to cleaner energy sources. — Option C offers the most comprehensive and sustainable long-term solution by addressing the root causes of air pollution through technological advancements (electric vehicles, cleaner energy), infrastructure development (public transport), and robust regulatory enforcement. Option A is a partial and temporary measure, and relocating industries only shifts the problem. Option B treats symptoms rather than causes and is neither sustainable nor cost-effective. Option D is crucial for public health but does not directly mitigate the sources of pollution.

Answer

A. Implementing a strict 'odd-even' road rationing scheme for private vehicles and relocating all major polluting industries to designated industrial zones outside the city limits.

Answer

B. Focusing exclusively on establishing large-scale air purification towers in public spaces and providing free respiratory masks to all residents.

Answer

D. Initiating mass awareness campaigns on the health impacts of air pollution and establishing more health clinics to treat pollution-related illnesses.

Question 7

The founder of the Maratha kingdom was:‌​‍

Accepted Answer

Shivaji — Shivaji (r. ‌​‍1674–1680) was crowned Chhatrapati at Raigad, founding the Maratha kingdom.

Answer

Shahu

Answer

Baji Rao

Answer

Balaji Vishwanath

Question 8

Kerala's number of grama panchayats:‌​‍

Accepted Answer

941 — 941 grama panchayats.‌​‍

Answer

750

Answer

1200

Answer

500

Question 9

Which country is known as the 'Dairy Farm of Europe'?

Accepted Answer

Denmark — Denmark is called the Dairy Farm of Europe for its highly organised dairy industry.

Answer

Switzerland

Answer

Ireland

Answer

Italy

Question 10

First English school Kerala:‌​‍

Accepted Answer

Nagercoil 1819 — Nagercoil LMS 1819.‌​‍

Answer

Kochi

Answer

TVM

Answer

Alappuzha

KAS Prelims Mixed Practice Test #26