KAS Prelims Mixed Practice Test #978

Question 1

Which group of elements in the periodic table is characterized by having their valence electrons in the f-orbitals?

Accepted Answer

B. Lanthanides — Lanthanides are the group of elements with valence electrons in the f-orbitals, typically filling the 4f subshell. Transition metals have valence electrons in d-orbitals, halogens in p-orbitals, and alkali metals in s-orbitals, making them distinct from lanthanides.

Answer

A. Transition metals

Answer

C. Halogens

Answer

D. Alkali metals

Question 2

Linux was created by:‌​‍

Accepted Answer

Linus Torvalds — Linus Torvalds created Linux in 1991. ‌​‍It is an open-source operating system. Android is based on the Linux kernel.

Answer

Steve Wozniak

Answer

Dennis Ritchie

Answer

James Gosling

Question 3

Choose the correct preposition: 'He is fond ___ music.'‌​‍

Accepted Answer

of — 'Fond of' — fixed preposition.‌​‍

Answer

for

Answer

on

Answer

in

Question 4

Which constitutional amendment introduced the Anti-Defection Law in the Indian Constitution?

Accepted Answer

B. 52nd Amendment Act — The 52nd Amendment Act, 1985, added the Tenth Schedule to the Constitution, which laid down the provisions for disqualification of members on grounds of defection. The 42nd Amendment Act primarily dealt with fundamental duties and the 73rd and 74th Amendment Acts focused on Panchayati Raj institutions and urban local bodies, respectively.

Answer

A. 42nd Amendment Act

Answer

C. 73rd Amendment Act

Answer

D. 74th Amendment Act

Question 5

The Nehru Trophy Boat Race is held at:‌​‍

Accepted Answer

Punnamada Lake — Held at Punnamada Lake (part of Vembanad backwaters), Alappuzha.‌​‍

Answer

Vembanad Lake

Answer

Ashtamudi Lake

Answer

Sasthamkotta Lake

Question 6

V.R. Krishna Iyer:‌​‍

Accepted Answer

Judge and reformer — SC judge, social reformer.‌​‍

Answer

Filmmaker

Answer

Priest

Answer

Politician

Question 7

An ionic bond forms when:

Accepted Answer

Electrons are transferred from one atom to another — Metal loses electron(s), non-metal gains them — forming ions attracted electrostatically.

Answer

Electrons are shared between atoms

Answer

Atoms fuse

Answer

Protons combine

Question 8

Portuguese fort at Cochin built:‌​‍

Accepted Answer

1503 — Fort Emmanuel 1503.‌​‍

Answer

1510

Answer

1600

Answer

1600

Question 9

The Rig Veda was written in which language?

Accepted Answer

Sanskrit — The Rig Veda was composed in Vedic Sanskrit, the earliest form of Sanskrit language.

Answer

Pali

Answer

Prakrit

Answer

Tamil

Question 10

The modern atomic theory was first proposed (1808) by:‌​‍

Accepted Answer

John Dalton — John Dalton (1808) proposed that matter is made of indivisible atoms — foundation of modern atomic theory.‌​‍

Answer

Niels Bohr

Answer

J. J. Thomson

Answer

Aristotle

KAS Prelims Mixed Practice Test #978