OTS (Open Testing Service) · Khuddam-ul-Hujjaj/ Nazims for Hajj (OTS 2027 - Includes All NTS Past Papers)
Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations
World Records & Superlatives
· General Knowledge
10,583 Questions• 7938 Mins Practice• Updated for 2026 Competitive Exams
10583 MCQs
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10583 Questions
301
Position isomerism is not possible in:
Correct Option
Option B
302
Percentage of ethene in coal gas is:
Correct Option
Option A
303
Which of the following can be used as a test of unsaturation?
Correct Option
Option D
304
Raney nickel is an active form of nickel used as a catalyst in:
Correct Option
Option C
305
Which of the following compounds can decolorize KMnO₄ solution?
Correct Option
Option D
306
Which compound is used in the processing of the antipolio vaccine?
Correct Option
Option C
307
Complete oxidation of ethyl alcohol using an oxidizing mixture (K₂Cr₂O₇ & conc. H₂SO₄) produces:
Correct Option
Option C
308
Tollen's test is also known as:
Correct Option
Option C
309
Glacial acetic acid is:
Correct Option
Option D
310
Decarboxylation of sodium acetate produces:
Correct Option
Option A
311
Ethyl acetate can be used to produce the flavor of:
Correct Option
Option B
312
Pyroligneous acid obtained by destructive distillation of wood contains:
Correct Option
Option A
313
The term logarithm was introduced by:
Correct Option
Option C
314
Cathode rays are made to pass between the plates of a charged capacitor. It attracts:
Correct Option
Option A
315
Minimum excitation potential of Bohr's first orbit in a hydrogen atom is:
Correct Option
Option C
316
Which of the following cannot be emitted by radioactive substances during their decay?
Correct Option
Option A
317
Coulomb's law is applicable to:
Correct Option
Option D
318
In electrostatics, Gauss's law is true when the charges enclosed in the Gaussian surface are:
Correct Option
Option B
319
A galvanometer gives full-scale deflection with 0.2 A in its coil. The resistance of its coil is 10Ω. How much shunt resistance is required to convert it into an ammeter to read current up to 1.8 A?
Correct Option
Option C
320
The angular arrangement of the space position of the atom in a crystal is called: