VFA Mixed Practice Test #578

Question 1

Where did Velakali, Kerala's spectacular martial ritual folk art, take shape?

Accepted Answer

Ambalapuzha — Velakali originated at the Ambalapuzha Sri Krishna temple, Alappuzha.

Answer

Vadakara

Answer

Edappally

Answer

Kodungallur

Question 2

Stefan-Boltzmann law applies to:

Accepted Answer

Ideal blackbody — P/A = σT⁴. Real objects have emissivity ε < 1 → P = εσT⁴. Kirchhoff's law: absorptivity = emissivity.

Answer

Any object

Answer

Only gases

Answer

Only stars

Question 3

The primary role of erythrocytes (red blood cells) in the circulatory system is to:

Accepted Answer

C. Transport oxygen to tissues — Erythrocytes contain hemoglobin, a protein that binds to oxygen in the lungs and releases it in the body's tissues, making oxygen transport their primary function. Blood clotting is the role of platelets, defense against pathogens is by white blood cells, and plasma proteins mainly maintain osmotic pressure.

Answer

A. Initiate blood clotting

Answer

B. Defend against pathogens

Answer

D. Maintain osmotic pressure of blood

Question 4

The opposite of 'success' is:

Accepted Answer

Failure — Success ↔ failure.

Answer

Achievement

Answer

Victory

Answer

Triumph

Question 5

In a science lesson following the 5E instructional model, students are given various materials to conduct experiments, observe phenomena, and collect data without direct instruction from the teacher on the expected outcomes. Which stage of the 5E model are the students primarily engaged in?

Accepted Answer

B. Explore — The Explore stage is characterized by students directly interacting with materials and phenomena through hands-on activities, investigations, and data collection. They work together, develop hypotheses, and test predictions, building their own understanding. Engage aims to capture interest, Explain focuses on formal concepts, and Elaborate applies learning to new contexts.

Answer

A. Engage

Answer

C. Explain

Answer

D. Elaborate

Question 6

Attribution theory — fundamental attribution error:‌​‍

Accepted Answer

Overweighting dispositional (personality) factors for others' behavior — Self-serving bias (own successes: dispositional; failures: situational). ‌​‍Lee Ross coined term.

Answer

Overweighting situation

Answer

None

Answer

Equal

Question 7

Reduction involves:‌​‍

Accepted Answer

Both gain of electrons and gain of hydrogen — Reduction = gain of e⁻ or gain of H or loss of O (classical definition).‌​‍

Answer

Gain of electrons

Answer

Loss of electrons

Answer

Loss of oxygen from other atom

Question 8

Pointing to a photo, a man says 'She is my mother's daughter.' The person is his:‌​‍

Accepted Answer

Sister — Mother's daughter = his sister.‌​‍

Answer

Mother

Answer

Daughter

Answer

Aunt

Question 9

The functional unit of the kidney is:

Accepted Answer

Nephron — Each kidney has ~1 million nephrons that filter blood.

Answer

Neuron

Answer

Alveolus

Answer

Villus

Question 10

In the 5E learning model, which phase directly involves students in applying prior knowledge to construct new understanding?

Accepted Answer

A. Engage — The 'Engage' phase uses activities like brainstorming to connect existing knowledge to the new topic. Distractors like 'Explore' (hands-on) are wrong because they focus on discovery, not prior knowledge application.

Answer

B. Explore

Answer

C. Explain

Answer

D. Elaborate

VFA Mixed Practice Test #578