VFA Mixed Practice Test #733

Question 1

What does the Doctrine of Pleasure imply?‌​‍

Accepted Answer

Serve at pleasure of appointer — Civil servants serve during pleasure of President.

Answer

President can remove

Answer

Judicial

Answer

Political

Question 2

Strongest muscle:

Accepted Answer

Masseter (jaw) — Masseter — strongest by force.

Answer

Biceps

Answer

Quadriceps

Answer

Gluteus maximus

Question 3

The chemical formula of common salt (sodium chloride) is:‌​‍

Accepted Answer

NaCl — Sodium chloride (common salt) is NaCl.‌​‍

Answer

Na₂CO₃

Answer

NaHCO₃

Answer

NaOH

Question 4

Growth hormone deficiency:

Accepted Answer

Dwarfism — Pituitary dwarfism.

Answer

Gigantism

Answer

Cretinism

Answer

None

Question 5

Vizhinjam Port:‌​‍

Accepted Answer

International deepwater — India's first deep-water international container transshipment port.‌​‍

Answer

Inland

Answer

Regional

Answer

Fishing only

Question 6

When a police siren approaches, its perceived pitch:

Accepted Answer

Increases — Approaching source → shorter perceived wavelength → higher pitch (Doppler).

Answer

Decreases

Answer

Stays constant

Answer

Disappears

Question 7

The rapid urbanization and globalization in Kerala have led to significant changes in lifestyle patterns. From a community health perspective, which of the following is the MOST prominent social change contributing to the increased burden of non-communicable diseases (NCDs) like diabetes and hypertension?

Accepted Answer

B. Shift towards sedentary occupations and consumption of processed foods — The shift towards more sedentary occupations, reduced physical activity, and increased consumption of processed foods high in sugar, salt, and unhealthy fats are direct consequences of urbanization and globalization. These lifestyle changes are major risk factors for the rising prevalence of non-communicable diseases like diabetes and hypertension. While other options represent changes, they are not the primary drivers of NCD burden.

Answer

A. Enhanced access to advanced medical diagnostic facilities

Answer

C. Improvement in sanitation and hygiene practices

Answer

D. Decline in infectious disease prevalence

Question 8

Brewster's angle:

Accepted Answer

Angle at which refracted ray is perpendicular to reflected; reflected is fully polarised — tan θB = n₂/n₁. For glass-air θB ≈ 57°. Polarising sunglasses use this principle.

Answer

45°

Answer

Zero

Answer

Critical angle

Question 9

Which of the following is NOT a mode of heat transfer in the atmosphere?‌​‍

Accepted Answer

Insulation — The four processes are conduction, convection, advection, radiation.‌​‍

Answer

Convection

Answer

Conduction

Answer

Advection

Question 10

Study of stamps:‌​‍

Accepted Answer

Philately — Philately.‌​‍

Answer

Calligraphy

Answer

Numismatics

Answer

Epigraphy

VFA Mixed Practice Test #733