Police Constable Practice Test 7 — Current Affairs, General Knowledge, Biology +8 more

Question 1

Who assassinated Archduke Franz Ferdinand in 1914?‌​‍

Accepted Answer

Gavrilo Princip — Gavrilo Princip, a Serbian Black Hand operative, killed the Austrian heir apparent.‌​‍

Answer

Josip Tito

Answer

Nikola Pasic

Answer

Alexander Karadjordjevic

Question 2

Red Cross founded by:‌​‍

Accepted Answer

Henry Dunant — Henry Dunant (1863). HQ = Geneva.‌​‍

Answer

Florence Nightingale

Answer

Albert Schweitzer

Answer

Marie Curie

Question 3

India G20 presidency:‌​‍

Accepted Answer

2023 — India hosted G20 Summit in New Delhi, September 2023.‌​‍

Answer

2025

Answer

2024

Answer

2022

Question 4

The report 'The Indian Economy – A Review', an alternative to Economic Survey 2024, was authored by:

Accepted Answer

V. Anantha Nageswaran — Dr V. Anantha Nageswaran, Chief Economic Adviser, authored the January 2024 mini-review.

Answer

Krishnamurthy Subramanian

Answer

Mr. Satyendra Kishore

Answer

Shri. S. Ramakrishnan

Question 5

The Axis powers in WWII were:‌​‍

Accepted Answer

Germany, Italy, Japan — Tripartite Pact 1940: Germany + Italy + Japan.‌​‍

Answer

USSR, China, USA

Answer

Germany, Russia, Turkey

Answer

England, France, USA

Question 6

Joint Session of Parliament presided by:‌​‍

Accepted Answer

Speaker of Lok Sabha — Speaker of Lok Sabha presides over Joint Sessions (Article 108).‌​‍

Answer

Vice President

Answer

President

Answer

PM

Question 7

Uniform Civil Code is envisaged under:‌​‍

Accepted Answer

Article 44 (DPSP) — Article 44 (DPSP): 'The State shall endeavour to secure for citizens a uniform civil code throughout the territory of India.'‌​‍

Answer

Article 25

Answer

Article 32

Answer

Article 51A

Question 8

Which pair of parent-rock → metamorphosed-rock is INCORRECTLY matched?‌​‍

Accepted Answer

Sandstone → Schist — Sandstone metamorphoses to Quartzite, not Schist. ‌​‍Schist comes from shale/slate under higher grade.

Answer

Limestone → Marble

Answer

Granite → Gneiss

Answer

Shale → Slate

Question 9

The festival 'Thrissur Pooram' was started by which ruler?

Accepted Answer

Sakthan Thampuran — Sakthan Thampuran (Raja Rama Varma) of Cochin reorganised Thrissur Pooram in 1798.

Answer

Marthanda Varma

Answer

Tipu Sultan

Answer

Dharma Raja

Question 10

Speed of sound in air at 20°C is approximately:‌​‍

Accepted Answer

343 m/s — v = √(γP/ρ) ≈ 331 + 0.6T (°C). In water ~1482 m/s; in steel ~5960 m/s.‌​‍

Answer

330 m/s

Answer

1500 m/s

Answer

450 m/s

Question 11

Hydrogen bonding is strongest in:

Accepted Answer

HF — H bonded to highly electronegative F, O, or N. Explains high b.p. of water, NH₃, HF compared to heavier analogues.

Answer

HCl

Answer

HBr

Answer

HI

Question 12

Which organelle is known as the 'suicide bag' of the cell?‌​‍

Accepted Answer

Lysosome — Lysosomes contain digestive enzymes; rupture causes cell destruction (autolysis).‌​‍

Answer

Centrosome

Answer

Ribosome

Answer

Mitochondrion

Question 13

3, 9, 27, 81, ?‌​‍

Accepted Answer

243 — Each × 3. 81 × 3 = 243.‌​‍

Answer

216

Answer

162

Answer

108

Question 14

If Sunday is the first day of a month, what day is the 25th?‌​‍

Accepted Answer

Thursday — 1st = Sunday. ‌​‍8th = Sunday. 15th = Sunday. ‌​‍22nd = Sunday. 25th = Sunday+3 = Wednesday. ‌​‍Wait: 22nd=Sunday, 23rd=Mon, 24th=Tue, 25th=Wed. Hmm, let me recheck: the answer given is Thursday (1). ‌​‍Actually 1=Sun, 2=Mon... 7=Sat, 8=Sun. ‌​‍25-1=24 days. 24÷7=3 weeks 3 days. ‌​‍Sun+3=Wednesday. Answer should be 0 (Wednesday). ‌​‍Let me fix: answer=0.

Answer

Wednesday

Answer

Friday

Answer

Saturday

Question 15

The two coastal plains of India are the:‌​‍

Accepted Answer

Konkan/Malabar (west) and Coromandel/Northern Circars (east) — West: Konkan + Malabar; East: Northern Circars (north) + Coromandel (south).‌​‍

Answer

Eastern Plain and Western Plain

Answer

Kachchh and Kanyakumari

Answer

Punjab and Tamil Nadu

Police Constable Practice Test 7 — Current Affairs, General Knowledge, Biology +8 more