LDC Mixed Practice Test #309

Question 1

Kerala's marine fisheries sector is vital for the state's economy and food security but faces significant challenges regarding resource depletion and ecological balance. Considering both the livelihoods of fisherfolk and the long-term health of marine ecosystems, which of the following strategies is most crucial for ensuring the sustainability of marine fisheries in Kerala?

Accepted Answer

B. Implementing strict seasonal fishing bans during breeding periods and regulating fishing gear, such as net mesh sizes. — Implementing strict seasonal fishing bans during breeding periods allows fish populations to reproduce and replenish, directly addressing resource depletion. Regulating fishing gear, particularly net mesh sizes, prevents the capture of juvenile fish, ensuring they mature and contribute to future stocks. Option A promotes overexploitation, while Option C, though potentially reducing pressure on wild stocks, introduces ecological risks from exotic species. Option D would exacerbate overfishing by increasing fishing capacity without necessary controls.

Answer

A. Promoting unregulated year-round deep-sea trawling to maximize catch volume and export potential.

Answer

C. Encouraging the widespread adoption of large-scale aquaculture of exotic species in marine waters to reduce pressure on wild stocks.

Answer

D. Providing substantial government subsidies for increasing the number and engine power of fishing vessels without catch limits.

Question 2

A teacher notices that a student excels in solving mathematical problems but struggles with tasks requiring spatial reasoning. Which theory of intelligence best explains this observation?

Accepted Answer

C. Gardner's Theory of Multiple Intelligences — Sternberg's Triarchic Theory emphasizes that intelligence involves different components (analytical, creative, and practical), which can vary independently. Gardner's Multiple Intelligences theory (Option C) also explains this, but Sternberg's framework is more directly applicable here. Spearman's theory (Option A) would not explain such specific strengths.

Answer

A. Spearman's Two-Factor Theory

Answer

B. Sternberg's Triarchic Theory

Answer

D. Binet's Intelligence Scale

Question 3

The teacher said, 'The earth revolves round the sun.' (Indirect speech):‌​‍

Accepted Answer

The teacher said that the earth revolves round the sun — Universal truths do NOT change tense in indirect speech. ‌​‍'Revolves' remains as 'revolves' because it states a scientific fact.

Answer

The teacher said that the earth revolved round the sun

Answer

The teacher said that the earth had revolved round the sun

Answer

The teacher said that the earth is revolving round the sun

Question 4

Panchayat elections are conducted by:‌​‍

Accepted Answer

State Election Commission — State Election Commission conducts Panchayat and Municipality elections.‌​‍

Answer

Election Commission of India

Answer

District Collector

Answer

Governor

Question 5

A teacher wants to foster genuine communication and interaction among students in an English language classroom. Which of the following activities would be most aligned with the principles of Communicative Language Teaching (CLT)?

Accepted Answer

B. Students engage in a role-play scenario, such as ordering food at a restaurant or asking for directions. — Role-play directly promotes communicative competence by providing authentic contexts for interaction and language use, which is the core aim of CLT. Other options represent methods focused on translation (Grammar-Translation), drilling (Audio-Lingual Method), or observation (Silent Way/Direct Method), rather than spontaneous communication.

Answer

A. Students translate complex literary passages from English to Malayalam.

Answer

C. Students repeat dialogues after the teacher, focusing on perfect pronunciation and intonation.

Answer

D. Students spend the majority of the class time silently observing the teacher model new vocabulary with realia.

Question 6

Niagara Falls between:

Accepted Answer

USA and Canada — USA-Canada border.

Answer

USA and Mexico

Answer

Canada and Greenland

Answer

USA and Cuba

Question 7

Mpox WHO emergency:‌​‍

Accepted Answer

2022 and 2024 — Multiple PHEIC declarations.‌​‍

Answer

Only 2022

Answer

Only 2024

Answer

Never

Question 8

Saponin glycosides are known for their characteristic property of forming a stable froth when shaken with water. This property is primarily attributed to their:

Accepted Answer

B. Ability to lower surface tension of water due to their amphiphilic nature. — Saponins are amphiphilic glycosides, meaning they possess both hydrophilic (sugar) and lipophilic (aglycone) parts. This structure allows them to act as surfactants, effectively lowering the surface tension of water and enabling the formation of a stable, persistent froth. The other options do not accurately describe the chemical basis for the frothing property of saponins.

Answer

A. High molecular weight and complex sugar moieties.

Answer

C. Strong acidic properties, leading to effervescence.

Answer

D. Interaction with proteins, causing denaturation and foam formation.

Question 9

Total IITs currently:‌​‍

Accepted Answer

23 — 23 IITs.‌​‍

Answer

16

Answer

19

Answer

25

Question 10

A Primary Health Centre (PHC) is planning to conduct a mass drug administration (MDA) campaign for lymphatic filariasis. Which of the following is the MOST critical step before starting the campaign?

Accepted Answer

B. Training ASHAs and other health workers on drug administration and side effects — Training health workers on drug administration and management of side effects is critical to ensure safe and effective delivery of MDA. While survey (A) and awareness (D) are important, they are not the most critical step. Distributing mosquito nets (C) is not directly related to MDA for lymphatic filariasis.

Answer

A. Conducting a door-to-door survey to identify eligible individuals

Answer

C. Distributing free mosquito nets to all households

Answer

D. Organizing a community awareness programme on the benefits of MDA

LDC Mixed Practice Test #309