VFA Mixed Practice Test #594

Question 1

The SI unit of amount of substance is:‌​‍

Accepted Answer

Mole — 1 mole = 6.022 × 10²³ entities (Avogadro's number, NA). ‌​‍Fundamental SI unit since 1971.

Answer

Gram

Answer

Litre

Answer

Kilogram

Question 2

Abdul Kalam's role:‌​‍

Accepted Answer

President, DRDO, ISRO — Multiple — Integrated Guided Missile Development, SLV, President.‌​‍

Answer

Just missile

Answer

Just scientist

Answer

Just President

Question 3

Lucas test distinguishes alcohols by:

Accepted Answer

Rate of cloudiness with Lucas reagent (conc. HCl + ZnCl₂): 3°<1 min, 2° ~5 min, 1° no rxn at RT — Tests 1°, 2°, 3° alcohols by cloudiness of alkyl chloride formed.

Answer

Colour

Answer

Smell

Answer

Boiling point

Question 4

In situations where a safe and reliable drinking water source is unavailable, boiling water is a common recommendation for purification. What is the primary mechanism by which boiling makes water safe for consumption?

Accepted Answer

C. It kills most pathogenic microorganisms, including bacteria, viruses, and parasites. — Boiling water to a rolling boil for at least one minute is highly effective at killing most disease-causing bacteria, viruses, and parasites, thereby preventing waterborne illnesses. It does not remove chemical pollutants or heavy metals, nor does it primarily enhance mineral content or remove suspended solids (though it can help with some). Its main benefit is microbiological purification.

Answer

A. It effectively removes heavy metals and chemical pollutants.

Answer

B. It enhances the water's mineral content, making it healthier.

Answer

D. It improves the aesthetic qualities of water by removing suspended solids.

Question 5

In a remote block of Kerala, a significant challenge is identified regarding a high dropout rate among elementary school children and inadequate basic infrastructure like toilets and classrooms. Which government initiative would primarily focus on addressing these specific issues to achieve universal elementary education?

Accepted Answer

D. Sarva Shiksha Abhiyan (SSA) — Sarva Shiksha Abhiyan (SSA), now part of Samagra Shiksha Abhiyan, specifically aims for universal elementary education, focusing on improving access, retention, infrastructure (like toilets and classrooms), and quality. While DPI administers schools and MDMS addresses nutritional needs, SSA is the overarching program designed to tackle these specific challenges of access and infrastructure at the elementary level. NCERT is a national-level academic body.

Answer

A. Directorate of Public Instruction (DPI)

Answer

B. National Council of Educational Research and Training (NCERT)

Answer

C. Mid-day Meal Scheme (MDMS)

Question 6

In what language was Chaucer's 'Canterbury Tales' written?‌​‍

Accepted Answer

Middle English — ~1387-1400. ‌​‍Pilgrims' tales on way to Canterbury. Father of English poetry. ‌​‍Old English: Beowulf.

Answer

Old English

Answer

Latin

Answer

Modern English

Question 7

Kerala Health indicators — IMR:‌​‍

Accepted Answer

Among lowest in India — Lowest IMR in India.‌​‍

Answer

Highest

Answer

Average

Answer

Unknown

Question 8

Who is regarded as 'Kerala Hemingway'?‌​‍

Accepted Answer

Thakazhi Sivasankara Pillai — Thakazhi Sivasankara Pillai — sometimes called the Hemingway of Kerala literature.‌​‍

Answer

Kurisseri Gopala Pillai

Answer

C.V. Raman Pillai

Answer

M.T. Vasudevan Nair

Question 9

Taiga/Boreal forest in:‌​‍

Accepted Answer

Sub-arctic — Sub-arctic coniferous forests.‌​‍

Answer

Deserts

Answer

Mountains

Answer

Tropics

Question 10

In Excel, =AVERAGE(B1:B5) calculates:‌​‍

Accepted Answer

Average — AVERAGE function calculates the arithmetic mean of the range.‌​‍

Answer

Sum

Answer

Count

Answer

Maximum

VFA Mixed Practice Test #594