VFA Mixed Practice Test #434

Question 1

Classical conditioning was studied by:‌​‍

Accepted Answer

Ivan Pavlov (dog-bell-salivation) — UCS (food) + CS (bell) → CR (salivation to bell alone). ‌​‍Nobel 1904 (digestive physiology actually).

Answer

Skinner

Answer

Bandura

Answer

Watson

Question 2

Malampuzha Dam is built across which river?‌​‍

Accepted Answer

Bharathapuzha — Malampuzha Dam is built across the Malampuzha River, a tributary of the Bharathapuzha, in Palakkad.‌​‍

Answer

Chalakudy

Answer

Periyar

Answer

Kabani

Question 3

British took Kochi:

Accepted Answer

1795 — 1795 during Anglo-Dutch wars.

Answer

1800

Answer

1856

Answer

1947

Question 4

The valency of an element is determined by the number of:‌​‍

Accepted Answer

Electrons in the outermost (valence) shell — Valency reflects electrons gained/lost/shared from the outermost shell.‌​‍

Answer

Protons

Answer

Total electrons

Answer

Neutrons

Question 5

Jnanpith winner M.T. Vasudevan Nair got it for:

Accepted Answer

Entire oeuvre — MT won Jnanpith 1995 for overall contribution.

Answer

Naalukettu

Answer

Randamoozham

Answer

Kaalam

Question 6

A school counselor notices a student who is often drowsy, irritable, and has difficulty concentrating due to inconsistent meals and insufficient sleep at home. According to Maslow's Hierarchy of Needs, which level of needs should the counselor prioritize addressing to help this student succeed academically?

Accepted Answer

D. Physiological needs — Physiological needs, such as food, water, and sleep, are the most basic and foundational level in Maslow's hierarchy. Until these essential survival needs are adequately met, it is extremely difficult for an individual to focus on or achieve higher-level needs like learning and academic success.

Answer

A. Esteem needs

Answer

B. Love and belonging needs

Answer

C. Self-actualization needs

Question 7

Cell EMF ΔG relation:‌​‍

Accepted Answer

ΔG = -nFE — n = electrons, F = 96500 C/mol. Spontaneous cell: E>0, ΔG<0. K = exp(-ΔG°/RT).‌​‍

Answer

ΔG = nFE

Answer

ΔG = 0

Answer

ΔG = E/F

Question 8

One who eats only plants:

Accepted Answer

Vegetarian/Herbivore — Herbivore (animals); Vegetarian (humans).

Answer

Carnivore

Answer

Omnivore

Answer

Fruitarian

Question 9

Far point of a normal human eye is:‌​‍

Accepted Answer

Infinity — Normal relaxed eye focuses parallel rays (from infinity) on retina.‌​‍

Answer

1 m

Answer

10 m

Answer

25 cm

Question 10

Efficiency of Carnot engine operating between T1 (hot) and T2 (cold) is:‌​‍

Accepted Answer

1 - T2/T1 — Maximum possible efficiency. Approaches 1 only if T2 → 0 K (unattainable).‌​‍

Answer

T2/T1

Answer

T1/T2

Answer

1 - T1/T2

VFA Mixed Practice Test #434