Police Constable Practice Test 5 — Current Affairs, General Knowledge, Biology +8 more

Question 1

The Gutenberg printing press was invented around:

Accepted Answer

1450 — Johannes Gutenberg's movable-type printing press (c. 1450) in Germany. Revolutionised book production, spread of Reformation, literacy.

Answer

1300

Answer

1500

Answer

1600

Question 2

The Inca Empire (Peru) was conquered by:‌​‍

Accepted Answer

Francisco Pizarro (1532) — Pizarro captured and executed Incan Emperor Atahualpa (1533). ‌​‍Spanish conquest of South America followed.

Answer

Cortés

Answer

Magellan

Answer

Columbus

Question 3

India overtook China as most populous country in:‌​‍

Accepted Answer

2023 — April 2023 per UN estimates.‌​‍

Answer

Not yet

Answer

2022

Answer

2024

Question 4

Kochi Water Metro launched:

Accepted Answer

2023 — 25 April 2023 — first Water Metro in India.

Answer

2022

Answer

2024

Answer

2025

Question 5

Razia Sultan, the only woman ruler of the Delhi Sultanate, belonged to:‌​‍

Accepted Answer

Slave dynasty — Razia Sultana (r. ‌​‍1236–1240) of the Slave dynasty was the only woman to rule Delhi as Sultan.

Answer

Tughlaq dynasty

Answer

Sayyid dynasty

Answer

Khalji dynasty

Question 6

Financial Emergency is provided under:‌​‍

Accepted Answer

Article 360 — Article 360: Financial Emergency — never invoked in India.‌​‍

Answer

Article 356

Answer

Article 352

Answer

Article 368

Question 7

The Vice-President of India is elected by:‌​‍

Accepted Answer

Members of both Houses of Parliament — Elected by members (both elected and nominated) of both Houses via proportional representation.‌​‍

Answer

Public

Answer

Only Rajya Sabha

Answer

State legislatures

Question 8

Largest state:‌​‍

Accepted Answer

Rajasthan — Rajasthan.‌​‍

Answer

MP

Answer

Maharashtra

Answer

UP

Question 9

Kerala Varma Pazhassi Raja, who fought the British, belonged to which princely family?

Accepted Answer

Kottayam/Pazhassi royal house of Kottayam (Malabar) — Pazhassi Raja was a member of the Kottayam (Padinjare Kovilakam) royal family of Malabar.

Answer

Travancore royal family

Answer

Kochi royal family

Answer

Kolathunadu Kolathiri family

Question 10

The SI unit of power is:‌​‍

Accepted Answer

Watt — Power = work/time; SI unit is watt (1 W = 1 J/s).‌​‍

Answer

Newton

Answer

Joule

Answer

Pascal

Question 11

Common ion effect:‌​‍

Accepted Answer

Solubility decreases when solution contains a common ion — Adding NaCl to HCl reduces Cl⁻-containing salt solubility. ‌​‍Also affects buffer pH, precipitation.

Answer

Solubility increases

Answer

Ignored

Answer

Only in gases

Question 12

Dopamine role:‌​‍

Accepted Answer

Reward, movement — Multiple roles.‌​‍

Answer

None

Answer

Only hearing

Answer

Only vision

Question 13

If COME is DPNF (+1 each), then HELP is:‌​‍

Accepted Answer

IFMQ — H→I, E→F, L→M, P→Q = IFMQ.‌​‍

Answer

GDKO

Answer

JGNR

Answer

IFNQ

Question 14

If A is in the north of B and C is in the west of B, in what direction is A with respect to C?‌​‍

Accepted Answer

North-East — C is west of B, A is north of B, so A is north-east of C.‌​‍

Answer

South-West

Answer

East

Answer

South

Question 15

Find the next two in the series: 3, 15, 18, 90, 93, __‌​‍

Accepted Answer

465, 468 — Pattern: ×5, +3 alternately. 93×5=465, 465+3=468.‌​‍

Answer

105, 108

Answer

95, 98

Answer

335, 338

Police Constable Practice Test 5 — Current Affairs, General Knowledge, Biology +8 more