KAS Prelims Mixed Practice Test #80

Question 1

Boundary Commission chaired by:‌​‍

Accepted Answer

Cyril Radcliffe — Sir Cyril Radcliffe drew Partition line.‌​‍

Answer

Jinnah

Answer

Attlee

Answer

Mountbatten

Question 2

Efficiency of a Carnot engine with sink at 300 K and source at 400 K:‌​‍

Accepted Answer

25% — η = 1 − T_sink/T_source = 1 − 300/400 = 0.25 → 25%.‌​‍

Answer

50%

Answer

75%

Answer

80%

Question 3

Schizophrenia symptoms:‌​‍

Accepted Answer

Positive (hallucinations, delusions) and Negative (flat affect, social withdrawal) — ~1% prevalence. ‌​‍Dopamine hypothesis. Antipsychotic drugs (risperidone, clozapine). ‌​‍Often chronic.

Answer

Only anxiety

Answer

Only memory

Answer

Only sadness

Question 4

The outermost layer of the epidermis, the stratum corneum, plays a crucial role in the body's defense. Its primary function is to:

Accepted Answer

C. Act as a protective barrier against pathogens and water loss. — The stratum corneum consists of flattened, dead keratinocytes embedded in a lipid matrix, forming a tough, impermeable layer. This structure effectively acts as the body's primary physical barrier, preventing the entry of microbes and chemicals, and minimizing transepidermal water loss to maintain hydration.

Answer

A. Produce melanin for UV protection.

Answer

B. Regulate body temperature through sweating.

Answer

D. Synthesize Vitamin D upon sun exposure.

Question 5

The term 'sociology' was coined by:‌​‍

Accepted Answer

Auguste Comte (1838) — Auguste Comte (French, 1798-1857) coined 'sociology' in 1838, combining Latin 'socius' (companion) + Greek 'logos' (study). ‌​‍'Father of sociology.'

Answer

Karl Marx

Answer

Max Weber

Answer

Emile Durkheim

Question 6

Delimitation Commission headed by:‌​‍

Accepted Answer

Retd SC judge — Retired SC judge.‌​‍

Answer

CEC

Answer

CJI

Answer

PM

Question 7

Main iron ore belts in India:‌​‍

Accepted Answer

Odisha, Jharkhand, Chhattisgarh, Goa, Karnataka — Hematite and magnetite. ‌​‍Bailadila (Chhattisgarh) largest. Singhbhum (Jharkhand), Keonjhar (Odisha), Bellary-Hospet.

Answer

Rajasthan

Answer

UP

Answer

Only Kerala

Question 8

One word: Long narrative poem on hero:‌​‍

Accepted Answer

Epic — Epic.‌​‍

Answer

Lyric

Answer

Sonnet

Answer

Ode

Question 9

National Security Advisor 2024-26:‌​‍

Accepted Answer

Ajit Doval — Ajit Doval since 2014.‌​‍

Answer

Shivshankar Menon

Answer

Nripendra Misra

Answer

MK Narayanan

Question 10

The Santhal Rebellion (Hul) of 1855-56 was against:‌​‍

Accepted Answer

British Company, zamindars and moneylenders in Rajmahal hills — Led by Sidhu and Kanhu Murmu. ‌​‍Preceded 1857 revolt. Led to creation of Santhal Parganas as separate administrative unit. ‌​‍Brutally suppressed.

Answer

Portuguese

Answer

Marathas

Answer

Mughals

KAS Prelims Mixed Practice Test #80