KAS Prelims Mixed Practice Test #253

Question 1

One astronomical unit (AU) is defined as:

Accepted Answer

Distance from Earth to Sun — 1 AU ≈ 149.6 million km.

Answer

Distance from Earth to Moon

Answer

Distance to the nearest star

Answer

Distance of light in one year

Question 2

The SI unit of electrical energy used for billing is:‌​‍

Accepted Answer

Kilowatt-hour (kWh) — Electricity bills use kWh (1 unit); 1 kWh = 3.6 × 10⁶ J.‌​‍

Answer

Joule

Answer

Horsepower

Answer

Watt

Question 3

Sree Narayana Guru attained Samadhi at:‌​‍

Accepted Answer

Sivagiri — Guru attained Samadhi at Sivagiri, Varkala on 20 September 1928.‌​‍

Answer

Aruvippuram

Answer

Panmana

Answer

Chempazhanthy

Question 4

Moon's age approx:‌​‍

Accepted Answer

4.5 billion years — ~4.5 billion years.‌​‍

Answer

2 billion

Answer

10 billion

Answer

6 billion

Question 5

Which of the following is a PRIMARY advantage of using a lyophilized powder for injection over a ready-to-use solution?

Accepted Answer

A. Longer shelf life due to reduced moisture content — Lyophilization removes water, significantly extending shelf life by preventing hydrolytic degradation. While reconstitution time and patient compliance are factors, they are secondary to stability. Cost is not a primary advantage.

Answer

B. Faster reconstitution time

Answer

C. Lower cost of production

Answer

D. Enhanced patient compliance

Question 6

Despite significant economic growth, India continues to grapple with rising income inequality. Which of the following policy approaches is generally considered most effective in directly addressing and reducing income disparities in the long run?

Accepted Answer

C. Strengthening progressive taxation, investing in public education and healthcare, and enhancing social safety nets. — A multi-pronged approach involving progressive taxation (where higher earners pay a larger percentage), robust public spending on human capital development like education and healthcare, and strong social safety nets directly addresses income disparities by redistributing wealth and enhancing opportunities for the less privileged. While other options might have some indirect benefits, they do not directly target the structural causes of income inequality as effectively in the long run. Focusing solely on GDP growth (B) often results in wealth concentration without specific redistributive polic

Answer

A. Implementing high tariffs on imported luxury goods to reduce consumption by the wealthy.

Answer

B. Focusing solely on increasing overall GDP growth rates to create more employment opportunities.

Answer

D. Promoting foreign direct investment (FDI) in capital-intensive industries to boost industrial output.

Question 7

Net ATP from glucose (aerobic):‌​‍

Accepted Answer

30-32 — 30-32 ATP (modern estimates).‌​‍

Answer

36-38

Answer

100

Answer

2

Question 8

Cerebellum function:‌​‍

Accepted Answer

Balance, coordination — Motor coordination.‌​‍

Answer

Digestion

Answer

Breath

Answer

Thought

Question 9

Aditya-L1 mission studies:‌​‍

Accepted Answer

Sun — India's first solar observatory mission (launched 2023).‌​‍

Answer

Moon

Answer

Mars

Answer

Jupiter

Question 10

Punjab reorganised in:‌​‍

Accepted Answer

1966 — 1966 — Haryana and HP created.‌​‍

Answer

1971

Answer

1947

Answer

1956

KAS Prelims Mixed Practice Test #253