VFA Mixed Practice Test #314

Question 1

Food preservatives:‌​‍

Accepted Answer

NaCl (common), sodium benzoate, sorbic acid — Inhibit microbial growth. ‌​‍Class I (NaCl, sugar, vinegar) and Class II (chemical) preservatives.

Answer

Oxygen

Answer

Cellulose

Answer

Water only

Question 2

A heart specialist is a(n):‌​‍

Accepted Answer

Cardiologist — Cardiologist specialises in heart and cardiovascular disorders.‌​‍

Answer

Neurologist

Answer

Orthopaedist

Answer

Gastroenterologist

Question 3

Which of the following chelating agents is commonly used in the treatment of lead poisoning?

Accepted Answer

C. Dimercaprol (BAL) — Dimercaprol (British Anti-Lewisite, BAL) is a classic chelating agent used to treat poisoning by heavy metals such as lead, arsenic, and mercury. It forms stable, non-toxic complexes with these metals, allowing them to be excreted from the body. Activated charcoal is for general toxin adsorption, while atropine and naloxone are antidotes for specific drug overdoses (cholinergic and opioid, respectively).

Answer

A. Activated charcoal

Answer

B. Atropine

Answer

D. Naloxone

Question 4

Action research cycles are iterative, meaning they involve repeating steps to refine the intervention. Which step follows the analysis of collected data in the cycle?

Accepted Answer

C. Revising the plan based on analysis — After analyzing data, the next logical step is to revise the plan based on the findings to improve the intervention. Option A (Implementing the intervention) occurs before data analysis. Option B (Sharing findings) typically happens after revising and implementing the intervention. Option D (Collecting baseline data) is part of the initial problem identification phase.

Answer

A. Implementing the intervention

Answer

B. Sharing findings with stakeholders

Answer

D. Collecting baseline data

Question 5

An adolescent is known for making impulsive decisions and engaging in risky behaviors without fully considering the long-term consequences. From a neurodevelopmental perspective, this tendency is often attributed to the continued maturation of which part of the brain during adolescence?

Accepted Answer

C. Prefrontal cortex — The prefrontal cortex, responsible for executive functions like planning, impulse control, and risk assessment, undergoes significant maturation throughout adolescence, making teenagers more prone to impulsive and risky behaviors before it is fully developed. While the amygdala is involved in emotions, its *full maturation* is not the primary reason for this characteristic impulsivity.

Answer

A. Cerebellum

Answer

B. Brainstem

Answer

D. Amygdala (fully mature)

Question 6

One horsepower equals approximately:‌​‍

Accepted Answer

746 watts — 1 HP ≈ 746 watts. Used to measure engine power.‌​‍

Answer

546 watts

Answer

646 watts

Answer

846 watts

Question 7

Chattampi Swamikal's major work challenging Brahmin monopoly on Vedas was:‌​‍

Accepted Answer

Vedadhikara Nirupanam — Vedadhikara Nirupanam argued that Vedic knowledge is not the exclusive right of Brahmins.‌​‍

Answer

Jnanappana

Answer

Krishnagatha

Answer

Narayaneeyam

Question 8

Who wrote the novel 'Things Fall Apart'?‌​‍

Accepted Answer

Achebe — Chinua Achebe (Nigeria, 1958). ‌​‍Igbo society and colonialism. Classic African novel.

Answer

Soyinka

Answer

Gordimer

Answer

Ngugi

Question 9

FIFA World Cup 2022 winner:‌​‍

Accepted Answer

Argentina — Argentina won — Messi's first WC.‌​‍

Answer

France

Answer

Brazil

Answer

Germany

Question 10

Which literary form is best suited for summarizing a complex concept through a short, rhythmic verse or rhyme, making it easier for students to recall information?

Accepted Answer

B. Poem — A poem uses rhythmic and rhyming language to condense complex ideas into a memorable format, aiding retention. Essays and reports are prose-based and less rhythmic, while drama relies on performance rather than concise recall.

Answer

A. Essay

Answer

C. Drama

Answer

D. Report

VFA Mixed Practice Test #314