KAS Prelims Mixed Practice Test #779

Question 1

How many seats in Rajya Sabha are allocated to Kerala?‌​‍

Accepted Answer

9 — Kerala has 9 seats in the Rajya Sabha.‌​‍

Answer

14

Answer

12

Answer

20

Question 2

'Plaster of Paris' is:‌​‍

Accepted Answer

CaSO₄·½H₂O — Plaster of Paris = CaSO₄·½H₂O (calcium sulphate hemihydrate).‌​‍

Answer

CaSO₄·5H₂O

Answer

CaSO₄·2H₂O

Answer

(A) and (C)

Question 3

Ashoka ruled approximately:‌​‍

Accepted Answer

273-232 BCE — Ashoka (r. ‌​‍~268-232 BCE after 4-year succession struggle from ~273). Mauryan empire's peak.

Answer

322-297 BCE

Answer

500-400 BCE

Answer

232-185 BCE

Question 4

Resonance frequency of LC circuit:‌​‍

Accepted Answer

ω = 1/√(LC) — Used in radio tuners. Quality factor Q = ωL/R.‌​‍

Answer

ω = LC

Answer

ω = √(L/C)

Answer

ω = 1/LC

Question 5

The total number of seats in the Lok Sabha is:‌​‍

Accepted Answer

543 — Lok Sabha currently has 543 seats (530 from states + 13 from UTs). ‌​‍The constitutional maximum is 552.

Answer

500

Answer

545

Answer

552

Question 6

The axis of the Earth is inclined to the plane of its orbit at an angle of:‌​‍

Accepted Answer

23.5° — Earth's axial tilt of 23.5° produces seasons as the planet revolves around the Sun.‌​‍

Answer

24.5°

Answer

25°

Answer

22.5°

Question 7

A prodrug is an inactive compound that is metabolized in the body to an active drug. Which of the following is a common metabolic reaction that converts an ester prodrug into its active form?

Accepted Answer

C. Hydrolysis — Many prodrugs are designed as esters that undergo hydrolysis, typically by esterases found in the liver, plasma, or gastrointestinal tract, to release the active drug (often a carboxylic acid or alcohol). Oxidation and reduction are also common metabolic reactions, but hydrolysis is specific for activating ester prodrugs. Glucuronidation is generally a Phase II detoxification pathway.

Answer

A. Oxidation

Answer

B. Reduction

Answer

D. Glucuronidation

Question 8

A teacher wants to create an online assessment that provides immediate feedback to students upon submission and automatically grades their multiple-choice and short-answer responses. Which ICT tool or platform would be most suitable for this specific requirement?

Accepted Answer

C. Google Forms or similar online quiz maker — Online quiz makers like Google Forms are specifically designed for creating interactive assessments that can provide instant feedback and automate grading, saving significant time for the teacher. Word processors, presentation software, and spreadsheets are not primarily built for this kind of automated, interactive assessment.

Answer

A. Microsoft Word for creating a document

Answer

B. Microsoft PowerPoint for a presentation

Answer

D. Microsoft Excel for data entry

Question 9

Alcohol + NaHCO₃ test:‌​‍

Accepted Answer

No reaction (phenol and carboxylic acid give differently) — Carboxylic acid evolves CO₂. ‌​‍Phenol is weakly acidic — doesn't react with NaHCO₃ but reacts with NaOH.

Answer

Precipitates

Answer

Gives CO₂

Answer

Decomposes

Question 10

Modern democracy is also called 'Constitutionalism' because:‌​‍

Accepted Answer

Government actions are limited by a written constitution — Constitutionalism = government bound by constitutional limits; rule of law.‌​‍

Answer

It has no limits

Answer

Only the constitution rules, no elections

Answer

It requires divine sanction

KAS Prelims Mixed Practice Test #779