VFA Mixed Practice Test #169

Question 1

Computer generations:‌​‍

Accepted Answer

1st (vacuum tubes), 2nd (transistors), 3rd (ICs), 4th (microprocessors), 5th (AI) — 1940s onwards. ‌​‍ENIAC (1946) 1st gen. Modern PCs — 4th gen. ‌​‍5th gen AI and parallel processing in progress.

Answer

Ten

Answer

Four

Answer

Three

Question 2

An optic device that inverts image with known magnification, using two lenses, is:‌​‍

Accepted Answer

Compound microscope — Compound microscope has objective + eyepiece for high magnification; inverted real image viewed via eyepiece.‌​‍

Answer

Magnifying glass

Answer

Simple microscope

Answer

Periscope

Question 3

Kerala's per-capita electricity consumption:‌​‍

Accepted Answer

Higher than national average — Above national average.‌​‍

Answer

Unknown

Answer

Lower

Answer

Equal

Question 4

Chinese fishing nets origin:

Accepted Answer

Chinese traders 14th century — Kublai Khan era Chinese.

Answer

Portuguese

Answer

Dutch

Answer

Indian origin

Question 5

Test cross is between:‌​‍

Accepted Answer

F1 hybrid × homozygous recessive — Reveals genotype of unknown. Mendel used Tt × tt → 1:1 ratio (if heterozygous).‌​‍

Answer

Two dominants

Answer

Two heterozygotes

Answer

Two recessives

Question 6

The 'Nivarthanam' (Abstention) Movement of 1932 in Travancore was a joint effort of:‌​‍

Accepted Answer

Christian, Muslim, and Ezhava communities — The three communities demanded proportional representation in government jobs and the Legislative Assembly.‌​‍

Answer

Nairs and Namboodiris

Answer

Dalits and Tribals

Answer

Hindus and Christians

Question 7

Decibel is a unit of:‌​‍

Accepted Answer

Sound intensity — Decibel (dB) measures sound intensity/loudness.‌​‍

Answer

Light intensity

Answer

Frequency

Answer

Wavelength

Question 8

What are Kerala's physiographic zones?‌​‍

Accepted Answer

Highland, Midland, Lowland — West: lowland (coast 590 km). ‌​‍Middle: midland (rice, coconut). East: highland (Western Ghats).

Answer

Only coast

Answer

Only hills

Answer

Only plains

Question 9

Kerala's tourism ranked:‌​‍

Accepted Answer

Top 10 global destinations (various lists) — Several international accolades.‌​‍

Answer

Only Asia

Answer

Unknown

Answer

Last

Question 10

A male patient enquires about sildenafil for erectile dysfunction. Which of the following co-existing medication classes would be an absolute contraindication for sildenafil use due to severe risk of hypotension?

Accepted Answer

C. Nitrates — Sildenafil is a phosphodiesterase-5 (PDE5) inhibitor that enhances the effects of nitric oxide. Concomitant use with nitrates (e.g., nitroglycerin, isosorbide dinitrate) can lead to a dangerous and life-threatening drop in blood pressure (severe hypotension) due to synergistic vasodilation.

Answer

A. Beta-blockers

Answer

B. Alpha-blockers

Answer

D. Calcium channel blockers

VFA Mixed Practice Test #169