HSA Mixed Practice Test #468

Question 1

The pH of lemon juice is approximately:‌​‍

Accepted Answer

2-3 — Lemon juice is acidic with pH ~2-3 (contains citric acid).‌​‍

Answer

7

Answer

9-10

Answer

14

Question 2

Indira Sagar Dam on:‌​‍

Accepted Answer

Narmada — Narmada, Madhya Pradesh.‌​‍

Answer

Chambal

Answer

Mahanadi

Answer

Tapti

Question 3

Earth's core mainly:‌​‍

Accepted Answer

Iron and Nickel — Molten iron-nickel (outer); solid iron-nickel (inner).‌​‍

Answer

Silicon

Answer

Magma

Answer

Rock

Question 4

India's largest salt lake:

Accepted Answer

Sambhar Lake — Sambhar Lake, Rajasthan — India's largest inland salt lake.

Answer

Chilika Lake

Answer

Pangong Lake

Answer

Pulicat Lake

Question 5

Which regions of India have the highest percentage of forests?‌​‍

Accepted Answer

The Peninsular Plateau and Hills — Peninsular Plateau & hills, especially central/eastern parts, carry the largest share of India's forest cover.‌​‍

Answer

The Himalayan Region

Answer

The Great Plains of India

Answer

The Western Ghats and Western Coastal Plains

Question 6

The 'Malnad' region in Kerala, known for its high rainfall and dense forests, belongs to which physiographic division?

Accepted Answer

C. Highland (Wester Ghats) — The 'Malnad' region is part of the Highland (Western Ghats) due to its high elevation, dense forests, and heavy rainfall. The Lowland is coastal, the Midland has laterite soil, and the Backwaters region is a lagoonal system.

Answer

A. Lowland (Coastal belt)

Answer

B. Midland (Central Travancore)

Answer

D. Backwaters region

Question 7

The basic unit of classification is:‌​‍

Accepted Answer

Species — Species is the basic unit of biological classification. ‌​‍Hierarchy: Kingdom > Phylum > Class > Order > Family > Genus > Species.

Answer

Kingdom

Answer

Genus

Answer

Family

Question 8

Kerala's 1st film studio:‌​‍

Accepted Answer

Udaya — Udaya Studios.‌​‍

Answer

Punalur

Answer

Chitranjali

Answer

Merryland

Question 9

Kerala High Court at:

Accepted Answer

Kochi — Ernakulam, Kochi.

Answer

Thiruvananthapuram

Answer

Thrissur

Answer

Kottayam

Question 10

Past perfect tense sentence:‌​‍

Accepted Answer

He had already left when I arrived. — 'Had + past participle' = past perfect.‌​‍

Answer

I will call you later.

Answer

She finished her work early.

Answer

They are playing football.

HSA Mixed Practice Test #468