VFA Mixed Practice Test #175

Question 1

Ohm's law states that V =‌​‍

Accepted Answer

I × R — Voltage = Current × Resistance (at constant temperature).‌​‍

Answer

I + R

Answer

I / R

Answer

I − R

Question 2

Which of the following is a key characteristic of action research that distinguishes it from traditional research?

Accepted Answer

C. It involves cycles of planning, acting, observing, and reflecting — Action research is iterative and cyclical, involving teachers as both researchers and participants in the process. This iterative approach (C) is a core feature, unlike the other options which describe traditional research (A, D) or external involvement (B).

Answer

A. It requires a large sample size for valid results

Answer

B. It is conducted by external researchers without teacher involvement

Answer

D. It focuses solely on quantitative data analysis

Question 3

The number of valence electrons in carbon is:‌​‍

Accepted Answer

4 — Carbon (Z=6, 2,4) has 4 valence electrons → tetravalent → forms 4 covalent bonds.‌​‍

Answer

8

Answer

2

Answer

6

Question 4

In a classroom utilizing the 5E instructional model, particularly during the 'Explore' and 'Elaborate' phases, what is the most appropriate role for the teacher?

Accepted Answer

B. Acting as a facilitator, guiding student inquiry, and posing probing questions. — In constructivist models like 5E, the teacher shifts from a lecturer to a facilitator. During 'Explore' and 'Elaborate', the teacher's role is to guide students as they investigate and apply concepts, encouraging independent thinking and problem-solving through questions rather than providing direct answers. Options A, C, and D represent more traditional, teacher-centered roles.

Answer

A. Delivering explicit instructions and correct answers.

Answer

C. Primarily evaluating student performance through summative assessments.

Answer

D. Maintaining strict control over all student activities to ensure conformity.

Question 5

When did the Hamas attack on Israel, which triggered the Gaza war, occur?‌​‍

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

2024

Answer

2022

Answer

2023 January

Question 6

Hall-Héroult process extracts:‌​‍

Accepted Answer

Aluminium (electrolysis of Al₂O₃ in molten cryolite) — Cryolite (Na₃AlF₆) lowers m.p. ‌​‍from 2000°C to ~950°C. Carbon anode, steel cathode.

Answer

Zinc

Answer

Iron

Answer

Copper

Question 7

The Bengali Renaissance poet-novelist who wrote 'Anandamath' was:

Accepted Answer

Bankim Chandra Chatterjee — Bankim wrote Anandamath (1882) from which 'Vande Mataram' is taken.

Answer

Rabindranath Tagore

Answer

Sarat Chandra

Answer

Michael Madhusudan Dutt

Question 8

According to Shakespeare's 'Seven Ages of Man', the first stage of life is:

Accepted Answer

The infant — Shakespeare's seven ages: infant, schoolboy, lover, soldier, justice, pantaloon, second childhood.

Answer

The soldier

Answer

The schoolboy

Answer

The justice

Question 9

Structuralism was founded by:

Accepted Answer

Wundt and Titchener — Analyse conscious experience into basic elements via introspection. Functionalism (William James): purpose of behavior.

Answer

Freud

Answer

Watson

Answer

James

Question 10

Monkeypox India:‌​‍

Accepted Answer

Cases reported — Few cases reported.‌​‍

Answer

Major outbreak

Answer

Unknown

Answer

None

VFA Mixed Practice Test #175