HSA Mixed Practice Test #411

Question 1

The charge on an electron is approximately:‌​‍

Accepted Answer

−1.6 × 10⁻¹⁹ C — Electron carries one unit negative charge = −1.6 × 10⁻¹⁹ coulomb.‌​‍

Answer

−9.1 × 10⁻³¹ C

Answer

0

Answer

+1.6 × 10⁻¹⁹ C

Question 2

This is the ___ book I have ever read.‌​‍

Accepted Answer

worst — Superlative form with 'the' and 'ever' requires 'worst'.‌​‍

Answer

worse

Answer

worser

Answer

bad

Question 3

Passive voice: 'Who is organising the charity event for next week?'‌​‍

Accepted Answer

By whom is the charity event being organised for the next week? — Present continuous active → passive: 'By whom is X being organised?'‌​‍

Answer

Who has been organised…

Answer

Who organised…

Answer

By whom the charity event is being organised…

Question 4

Change to passive voice: 'The cat killed the rat.'

Accepted Answer

The rat was killed by the cat — Object becomes subject; verb → was + past participle + by + agent.

Answer

The rat killed the cat

Answer

The cat was killed by the rat

Answer

The rat kills the cat

Question 5

Choose the correct form: 'The number of students ___ increasing.'

Accepted Answer

is — 'The number of' is singular → 'is'. 'A number of' is plural.

Answer

are

Answer

were

Answer

have

Question 6

What does the idiom 'raining cats and dogs' mean?‌​‍

Accepted Answer

Raining heavily — Figurative. ‌​‍Idioms can't be deduced from literal meanings. 'Piece of cake' = easy.

Answer

Sunny

Answer

Animals falling

Answer

Light rain

Question 7

Which physiographic division of Kerala is primarily characterized by its laterite soil and undulating terrain, making it suitable for the cultivation of cashew and rubber?

Accepted Answer

B. Midland (Central Travancore) — The Midland region, also known as Central Travancore, is marked by laterite soil and a gently undulating terrain, making it ideal for plantations like cashew and rubber. The Highland is rocky and forested, the Lowland is flat and coastal, and the Eastern Slopes are steep and forested.

Answer

A. Highland (Wester Ghats)

Answer

C. Lowland (Coastal belt)

Answer

D. Eastern Slopes

Question 8

Newton's first law is law of:‌​‍

Accepted Answer

Inertia — Law of Inertia.‌​‍

Answer

Acceleration

Answer

Action-reaction

Answer

Gravity

Question 9

M. Krishnan Nair:‌​‍

Accepted Answer

Kerala's popular literary columnist — Sahitya Varaphalam columnist.‌​‍

Answer

Actor

Answer

Politician

Answer

Scientist

Question 10

The Sangam Age (Tamil literature) belongs to:

Accepted Answer

c. 300 BCE - 300 CE — Sangam literature — Three Sangams at Madurai according to tradition. Earliest Tamil classical literature. Key texts: Tolkappiyam, Tirukkural, Silappadikaram, Manimekalai, Ettuthokai.

Answer

5000 BCE

Answer

Medieval

Answer

Modern

HSA Mixed Practice Test #411