KAS Prelims Mixed Practice Test #407

Question 1

What is the minimum number of members required for a valid merger of a political party under the Anti-Defection Law?

Accepted Answer

Two-thirds — At least two-thirds of the members of the legislature party must agree to the merger for it to be considered valid under the Anti-Defection Law.

Answer

One-third

Answer

Half

Answer

Quarter

Question 2

Most famous CEC:

Accepted Answer

T.N. Seshan — T.N. Seshan (1990-96) — electoral reforms.

Answer

Sukumar Sen

Answer

Ashok Lavasa

Answer

M.S. Gill

Question 3

The Nelson cell and Castner-Kellner process are used to manufacture:‌​‍

Accepted Answer

NaOH and chlorine from brine — Chlor-alkali process: electrolysis of brine (NaCl solution) gives NaOH, Cl₂ and H₂.‌​‍

Answer

Copper

Answer

Iron

Answer

Aluminium

Question 4

The loudness of sound is measured in:‌​‍

Accepted Answer

Decibel (dB) — Decibel is a logarithmic unit: 10 dB = whisper, 90 dB = traffic, 120+ dB = pain.‌​‍

Answer

Watt

Answer

Joule

Answer

Hertz

Question 5

Heat capacity at constant volume (Cv) for monoatomic ideal gas:‌​‍

Accepted Answer

(3/2)R — Monoatomic: 3 translational DOF only. ‌​‍Diatomic at room T: Cv=(5/2)R (rotations added).

Answer

(7/2)R

Answer

(5/2)R

Answer

R

Question 6

Noble gases previously called inert gases; first compound made:‌​‍

Accepted Answer

XePtF₆ (Bartlett 1962) — Then XeF₂, XeF₄, XeF₆, XeO₃. ‌​‍Only Kr, Xe, Rn compounds known. He, Ne, Ar truly inert.

Answer

ArF

Answer

XeF₂

Answer

He₂

Question 7

One astronomical unit (AU) is defined as:‌​‍

Accepted Answer

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

Answer

Distance to the nearest star

Answer

Distance of light in one year

Answer

Distance from Earth to Moon

Question 8

GST was introduced in India on:‌​‍

Accepted Answer

1 July 2017 — GST was introduced on 1 July 2017 through the 101st Constitutional Amendment.‌​‍

Answer

1 April 2017

Answer

1 October 2017

Answer

1 January 2018

Question 9

Which of the following best describes the fundamental premise of constructivism in education?

Accepted Answer

B. Learning is a process of actively building new ideas or concepts based on prior knowledge. — Constructivism posits that learners are not empty vessels but actively construct their own understanding and knowledge of the world through experiencing things and reflecting on those experiences. This process involves integrating new information with existing knowledge. Options A, C, and D describe principles associated with more traditional or behaviorist educational approaches, not constructivism.

Answer

A. Knowledge is passively received from the teacher and textbooks.

Answer

C. Students learn most effectively through repetitive drills and memorization.

Answer

D. The primary goal of education is to prepare students for standardized tests.

Question 10

Which literary form involves a structured dialogue between two or more characters to explore a theme or idea, often used in classroom discussions to encourage critical thinking?

Accepted Answer

B. Dialogue — Dialogue is a literary form where two or more characters engage in conversation to explore themes or ideas. It is commonly used in classrooms to stimulate active participation and critical analysis. Monologue involves a single speaker, soliloquy is a speech delivered alone, and narrative is a story-telling form.

Answer

A. Monologue

Answer

C. Soliloquy

Answer

D. Narrative

KAS Prelims Mixed Practice Test #407