VFA Mixed Practice Test #606

Question 1

Boyle's law:

Accepted Answer

PV = constant at constant T and n — Charles: V/T. Gay-Lussac: P/T. Combined → ideal gas eqn.

Answer

V/T = constant

Answer

PV = nRT

Answer

P/T = constant

Question 2

A teacher trainee is practicing the skill of 'Reinforcement' during a microteaching session. Which of the following actions would best demonstrate effective use of this skill?

Accepted Answer

C. Praising a student for a correct answer and encouraging others to participate. — The skill of reinforcement involves encouraging desired student behaviors and responses. Praising a student for a correct answer and encouraging others directly aligns with positive reinforcement. Options A, B, and D describe other distinct microteaching skills: Explanation, Stimulus Variation, and Closing respectively.

Answer

A. Explaining a complex concept using multiple examples.

Answer

B. Varying vocal tone and gestures to maintain student attention.

Answer

D. Summarizing the main points of the lesson at the end.

Question 3

Vagbhatananda was a reformer associated with which region?‌​‍

Accepted Answer

Malabar — Vagbhatananda was a social reformer from Malabar who founded the Atmavidya Sangham.‌​‍

Answer

Kuttanad

Answer

Travancore

Answer

Cochin

Question 4

Onam month:‌​‍

Accepted Answer

Chingam — Chingam (Aug-Sep).‌​‍

Answer

Medam

Answer

Karkidakam

Answer

Thulam

Question 5

Sound fastest in:‌​‍

Accepted Answer

Solids — Solids.‌​‍

Answer

Vacuum

Answer

Air

Answer

Water

Question 6

A group of 17-year-olds decides to try a dangerous stunt they saw online, despite knowing the potential risks. When questioned, they downplay the dangers and focus on the thrill. This tendency among adolescents to engage in risky behaviors, often underestimating negative consequences and overestimating immediate rewards, can be partly attributed to the ongoing development of which brain region?

Accepted Answer

C. Prefrontal cortex — The prefrontal cortex, responsible for executive functions like planning, impulse control, risk assessment, and decision-making, continues to mature throughout adolescence and into early adulthood. Its incomplete development during the teenage years can lead to a greater propensity for risk-taking and a less developed ability to weigh long-term consequences against immediate gratification.

Answer

A. Cerebellum

Answer

B. Brainstem

Answer

D. Amygdala

Question 7

The infective stage of malarial parasite Plasmodium that enters human body is:‌​‍

Accepted Answer

sporozoite — Sporozoites are injected by Anopheles mosquito and infect human liver cells.‌​‍

Answer

merozoite

Answer

minuta form

Answer

gametocyte

Question 8

1 byte equals:‌​‍

Accepted Answer

8 bits — 1 byte = 8 bits. 1 bit = 0 or 1.‌​‍

Answer

4 bits

Answer

16 bits

Answer

32 bits

Question 9

In a classroom guided by constructivist principles, what is the primary role of the teacher?

Accepted Answer

B. To design and facilitate learning experiences that encourage active exploration and discovery. — A constructivist teacher acts as a facilitator, guide, or coach, creating rich learning environments and activities where students can actively construct knowledge. Direct transmission of facts, strict behavior management, or primary reliance on rote memorization tests are less aligned with constructivist pedagogy.

Answer

A. To deliver lectures and transmit factual information directly.

Answer

C. To strictly manage classroom behavior and ensure compliance with rules.

Answer

D. To assess student learning primarily through standardized tests and rote memorization.

Question 10

Jahangir's queen who effectively ran the empire in his later years was:

Accepted Answer

Nur Jahan (Mehrunnisa) — Married Jahangir 1611. Coins issued in her name; part of junta with father Itimad-ud-Daula and brother Asaf Khan. Commissioned Itimad-ud-Daula's tomb (Agra, 'Baby Taj').

Answer

Mumtaz Mahal

Answer

Jodha Bai

Answer

Jahanara

VFA Mixed Practice Test #606