HSA Mixed Practice Test #669

Question 1

CVC stands for:

Accepted Answer

Central Vigilance Commission — Central Vigilance Commission (1964, statutory 2003).

Answer

Central Verification Council

Answer

Chief Vigilance Commissioner

Answer

Central Voting Commission

Question 2

The electronic configuration of chlorine (Z=17) is:‌​‍

Accepted Answer

2,8,7 — Cl: 2+8+7 = 17 electrons; valency 1.‌​‍

Answer

2,9,6

Answer

2,8,8

Answer

2,7,8

Question 3

'I wish I ___ a bird.' (Second conditional)‌​‍

Accepted Answer

were — Second conditional (hypothetical wish): 'were' for all subjects — subjunctive.‌​‍

Answer

be

Answer

was

Answer

am

Question 4

Resonance occurs when an external force's frequency matches the object's:‌​‍

Accepted Answer

Natural frequency — At resonance, energy transfer is maximum — large amplitude oscillations result.‌​‍

Answer

Speed

Answer

Wavelength

Answer

Amplitude

Question 5

Cones in the retina provide:

Accepted Answer

Colour vision in bright light — Three cone types (S, M, L) detect blue, green, red wavelengths respectively.

Answer

Night vision

Answer

Depth perception only

Answer

Peripheral vision

Question 6

In which year did Kumaran Asan pass away?‌​‍

Accepted Answer

1924 — Kumaran Asan drowned in the Pallana boat tragedy on 16 January 1924.‌​‍

Answer

1928

Answer

1922

Answer

1926

Question 7

The 'Doctrine of Pleasure' affects which set of officers?‌​‍

Accepted Answer

Civil servants under Article 310 — All-India Services and central civil servants hold office 'during pleasure' of President/Governor, subject to safeguards in Article 311.‌​‍

Answer

Judges

Answer

Speakers

Answer

Elected MPs

Question 8

Biodiversity refers to:

Accepted Answer

Variety of life forms at all levels (genetic, species, ecosystem) — Biodiversity: genetic + species + ecosystem diversity — underpins ecological health.

Answer

Only number of animals

Answer

Only plants

Answer

Endangered species only

Question 9

The Great Bath, a famous public structure of the Indus Valley Civilization, was at:‌​‍

Accepted Answer

Mohenjo-Daro — The Great Bath (c. ‌​‍2500 BCE) at Mohenjo-Daro was a watertight ritual bathing structure.

Answer

Kalibangan

Answer

Lothal

Answer

Harappa

Question 10

Antonym of BOLD:‌​‍

Accepted Answer

Timid — Bold ↔ timid.‌​‍

Answer

Clear

Answer

Strong

Answer

Brave

HSA Mixed Practice Test #669