LDC Mixed Practice Test #416

Question 1

Periyar Wildlife in:‌​‍

Accepted Answer

Idukki — Idukki. Tiger Reserve. Elephants.‌​‍

Answer

Wayanad

Answer

Palakkad

Answer

Thrissur

Question 2

Critical temperature of a gas is:‌​‍

Accepted Answer

Temperature above which it cannot be liquefied by pressure alone — For water 647 K; CO₂ 304 K. Below T_c, apply pressure → liquefies.‌​‍

Answer

Melting point

Answer

Boiling point

Answer

Triple point

Question 3

Synonym of MALIGN:‌​‍

Accepted Answer

Slander — Speak evil of.‌​‍

Answer

Praise

Answer

Help

Answer

Approve

Question 4

Marayoor dolmens:

Accepted Answer

Idukki — Muniyara — Idukki.

Answer

Wayanad

Answer

Palakkad

Answer

Thrissur

Question 5

Synonym of OMNIPOTENT:‌​‍

Accepted Answer

All-powerful — Having unlimited power.‌​‍

Answer

Powerless

Answer

Weak

Answer

Limited

Question 6

National Emergency under Article 352 can be declared for:‌​‍

Accepted Answer

War, external aggression or armed rebellion — The word 'internal disturbance' was replaced by 'armed rebellion' through 44th Amendment (1978). ‌​‍National Emergency declared thrice: 1962, 1971, 1975.

Answer

Natural disasters

Answer

Financial crisis

Answer

Breakdown of state machinery

Question 7

Gaza war triggered by Hamas attack on Israel occurred on:

Accepted Answer

7 October 2023 — Hamas attack 7 October 2023 killed 1,200+ Israelis + hostages taken. Israel's Gaza offensive followed. Regional repercussions ongoing.

Answer

2023 January

Answer

2024

Answer

2022

Question 8

'He is ___ university student':‌​‍

Accepted Answer

a — 'A' before consonant sound (yu).‌​‍

Answer

no article

Answer

an

Answer

the

Question 9

A rapidly urbanizing coastal district in Kerala is grappling with escalating water pollution, primarily from inadequately treated municipal wastewater and non-point sources like agricultural runoff and plastic litter. Which of the following integrated strategies would be most effective and sustainable for long-term water quality improvement?

Accepted Answer

C. Developing a decentralized wastewater treatment network, promoting sustainable agricultural practices, establishing comprehensive solid waste management with emphasis on plastic recycling, and fostering community participation in water body protection. — Option C represents the most effective and sustainable integrated strategy. It addresses both point (wastewater) and non-point (agricultural runoff, plastic litter) sources through a multi-faceted approach including decentralized treatment, source reduction, proper waste management, and community engagement. Options A and B are insufficient as they focus on only one or two aspects, neglecting a holistic approach. Option D is an unsustainable approach that merely displaces pollution and can harm marine ecosystems, rather than resolving the core issues.

Answer

A. Solely focusing on upgrading all existing Sewage Treatment Plants (STPs) to tertiary treatment levels and increasing their capacity.

Answer

B. Implementing a stringent ban on single-use plastics across the district and imposing heavy penalties for any discharge of untreated wastewater.

Answer

D. Constructing long ocean outfalls to discharge all treated and partially treated wastewater far into the deep sea, coupled with periodic coastal clean-up drives.

Question 10

Le Chatelier's principle predicts shift when:‌​‍

Accepted Answer

Concentration, pressure or temperature disturbed — System shifts to oppose disturbance. ‌​‍Adding reactant → forward shift. Heat: exo shifts back if T rises.

Answer

Only volume changes

Answer

Only temperature

Answer

Only catalyst added

LDC Mixed Practice Test #416