KAS Prelims Mixed Practice Test #460

Question 1

Longest chord:

Accepted Answer

Diameter — Diameter.

Answer

Radius

Answer

Tangent

Answer

Arc

Question 2

Sahodara Sangham was founded by:

Accepted Answer

Sahodaran Ayyappan — K. Ayyappan founded Sahodara Sangham in 1917 advocating dining inter-caste.

Answer

Ayyankali

Answer

Sree Narayana Guru

Answer

Vakkom Moulavi

Question 3

The functional group −COOH is called:

Accepted Answer

Carboxyl — −COOH is the carboxyl group, characteristic of carboxylic acids (e.g., acetic acid).

Answer

Hydroxyl

Answer

Aldehyde

Answer

Ketone

Question 4

Biogas is predominantly composed of:‌​‍

Accepted Answer

Methane (CH₄) with some CO₂ — Biogas: ~55-75% CH₄ + 25-45% CO₂; produced by anaerobic digestion of organic waste.‌​‍

Answer

Nitrogen

Answer

CO₂ and CO

Answer

H₂ only

Question 5

NBPW pottery associated with:‌​‍

Accepted Answer

Northern Black Polished Ware (2nd urbanization) — Luxury ware 700-200 BCE.‌​‍

Answer

Painted Grey Ware

Answer

Harappan

Answer

Neolithic

Question 6

Thekkady, the entry point to Periyar Tiger Reserve, is in:‌​‍

Accepted Answer

Idukki — Thekkady is located in Idukki district and serves as the main entry to Periyar Tiger Reserve.‌​‍

Answer

Ernakulam

Answer

Pathanamthitta

Answer

Kottayam

Question 7

How many ministers were part of Shivaji's Ashta Pradhan?‌​‍

Accepted Answer

8 ministers — Council of 8 ministers.‌​‍

Answer

10 ministers

Answer

4 ministers

Answer

6 ministers

Question 8

The presence of glucose in a routine urine analysis (glycosuria) in a non-diabetic individual could indicate a problem primarily with which organ's function?

Accepted Answer

C. Kidney — In a non-diabetic individual, glucose should not be present in the urine because the kidneys efficiently reabsorb almost all filtered glucose in the renal tubules. Glycosuria in this context, without hyperglycemia, suggests a defect in the renal tubules' ability to reabsorb glucose. This condition is known as renal glycosuria, indicating a primary kidney problem.

Answer

A. Liver

Answer

B. Pancreas

Answer

D. Adrenal gland

Question 9

Market equilibrium occurs when:‌​‍

Accepted Answer

Supply = Demand (price clears the market) — At equilibrium price, quantity demanded = quantity supplied. ‌​‍No shortage or surplus.

Answer

Supply > Demand

Answer

Demand > Supply

Answer

Demand = 0

Question 10

A major industrial complex in an ecologically sensitive zone of Kerala is found to be regularly violating environmental norms by discharging untreated effluents and emitting hazardous air pollutants, severely impacting the local ecosystem and public health. Which of the following is the principal umbrella legislation that empowers the Central Government to take comprehensive measures, including setting national standards, issuing directions, and coordinating actions for the prevention, control, and abatement of such multi-faceted environmental pollution?

Accepted Answer

C. The Environment (Protection) Act, 1986 — The Environment (Protection) Act, 1986, is an umbrella legislation enacted to provide for the protection and improvement of the environment and for matters connected therewith. It grants broad powers to the Central Government to take all necessary measures to protect and improve the quality of the environment, and to prevent, control, and abate environmental pollution, including setting national standards and issuing directions. While the Water Act and Air Act specifically address water and air pollution respectively, the EPA provides the overarching legal framework and comprehensive powers to

Answer

A. The Water (Prevention and Control of Pollution) Act, 1974

Answer

B. The Air (Prevention and Control of Pollution) Act, 1981

Answer

D. The Wildlife (Protection) Act, 1972

KAS Prelims Mixed Practice Test #460