KAS Prelims Mixed Practice Test #199

Question 1

In an elastic collision, which are conserved?‌​‍

Accepted Answer

Both momentum and KE — Elastic: momentum AND kinetic energy conserved. ‌​‍Inelastic: only momentum. Perfectly inelastic: bodies stick; max KE loss.

Answer

Neither

Answer

Only KE

Answer

Only momentum

Question 2

The chemical name of washing soda is:‌​‍

Accepted Answer

Sodium carbonate decahydrate — Washing soda: Na₂CO₃·10H₂O.‌​‍

Answer

Sodium hydroxide

Answer

Sodium sulphate

Answer

Sodium bicarbonate

Question 3

A state government is facing a severe financial crisis, impacting its ability to fund essential public services. The state government approaches the Union for special financial assistance and also explores options for additional borrowing. In this context, which of the following statements accurately reflects a key aspect of financial relations between the Centre and States regarding such a situation?

Accepted Answer

B. Grants-in-aid to states are primarily determined by the recommendations of the Finance Commission, which considers the fiscal needs and capacities of states. — The Finance Commission, constituted under Article 280, plays a crucial role in Centre-State financial relations by recommending the distribution of taxes and principles for grants-in-aid (Article 275), directly addressing states' fiscal needs. States cannot borrow freely, particularly if indebted to the Centre or from abroad (Article 293), making option C incorrect. The share of states in Union taxes is recommended by the Finance Commission and changes periodically, not fixed by the Constitution, invalidating option D. A financial emergency (Article 360) is a more extreme measure than the scen

Answer

A. The Union government can unilaterally impose a financial emergency under Article 360, leading to a complete takeover of state finances.

Answer

C. States can borrow freely from any source, both within and outside India, without any prior consent from the Union government.

Answer

D. The share of states in Union taxes is fixed by the Constitution and cannot be altered without a constitutional amendment.

Question 4

The common laboratory acid used for esterification is:‌​‍

Accepted Answer

Conc. H₂SO₄ (dehydrating agent) — Concentrated H₂SO₄ catalyses and removes water, shifting equilibrium toward ester.‌​‍

Answer

HNO₃

Answer

HCl

Answer

Acetic acid

Question 5

Cochin International Airport achievement:

Accepted Answer

First solar-powered in world — Fully solar-powered since 2015.

Answer

Largest in India

Answer

First underwater

Answer

First floating

Question 6

Tropic of Cancer passes through:‌​‍

Accepted Answer

17 countries approx — Multiple (Mexico, N Africa, Arabia, India, SE Asia).‌​‍

Answer

Only India

Answer

Only Africa

Answer

5

Question 7

Upanishads means:

Accepted Answer

Sit near — Sit near (the teacher). Philosophical texts.

Answer

Stand up

Answer

Walk away

Answer

Look beyond

Question 8

Identify false statement(s): (1) Pampas are grasslands in Argentina (2) Sirocco causes blood rain in Italy (3) Bushmen are found in Siberia‌​‍

Accepted Answer

Only 3 — Bushmen (San) are found in the Kalahari region of southern Africa, not Siberia.‌​‍

Answer

Only 1

Answer

1, 2 and 3

Answer

1 and 2

Question 9

Pulakesin II was:

Accepted Answer

Chalukya — Chalukya king who defeated Harsha.

Answer

Pallava

Answer

Chola

Answer

Rashtrakuta

Question 10

The NEP 2020 introduces the concept of 'Academic Bank of Credit' (ABC). What is its primary purpose?

Accepted Answer

A. To allow students to earn and store academic credits digitally for flexibility in degree completion. — The Academic Bank of Credit (ABC) is designed to enable students to digitally store and transfer academic credits earned from different higher education institutions, promoting flexibility in degree pathways. Options B, C, and D are unrelated to the ABC's primary function.

Answer

B. To provide financial aid to students for higher education.

Answer

C. To establish a centralized database for all school textbooks.

Answer

D. To monitor and evaluate the performance of teachers across India.

KAS Prelims Mixed Practice Test #199