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 (Page 35)
Practice verified Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations for Khuddam-ul-Hujjaj/ Nazims for Hajj (OTS 2027 - Includes All NTS Past Papers) preparation. Featuring solved questions, detailed explanations, and past paper answers (Page 35).
World Records & Superlatives
· General Knowledge
10,583 Questions• 7938 Mins Practice• Updated for 2026 Competitive Exams
10583 MCQs
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Solved Questions
10583 Questions
681
The Earth rotates on its Axis once a day. suppose, by some process the earth contracts so that its radius is only half as large as present, then how long the earth will take to complete its rotation?
Correct Option
Option A
682
1 Radian is equal to:
Correct Option
Option C
683
In transmission from grid station, power losses are minimised by:
Correct Option
Option D
684
The domestic electricity supply has a frequency of:
Correct Option
Option B
685
PIV stands for:
Correct Option
Option C
686
In full wave rectification, the diodes are used:
Correct Option
Option B
687
The wavelength associated with an electron is of the order of:
Correct Option
Option C
688
Which one of the following series lies in the ultraviolet region?
Correct Option
Option C
689
There are initially 400 atoms in a radioactive sample. what would be the number of atoms after three half-life?
Correct Option
Option A
690
While using radiation therapy, cancerous thyroid is treated with ______ radioisotope:
Correct Option
Option D
691
When a wire is compressed and its radius become 2R then its resistance will be:
Correct Option
Option C
692
One of the following is an ohmic device:
Correct Option
Option D
693
When current are flowing through two long Parallel wires Same direction electric field between them:
Correct Option
Option B
694
Alkyl halides involving _C_X Bond breakage and_C_NU Bond formation simultaneously would follow the mechanism:
Correct Option
Option B
695
Secondary alkyl halide is:
Correct Option
Option A
696
IUPAC name of C₆H₅O(CH₃)₂ is:
Correct Option
Option B
697
Phenol is known as:
Correct Option
Option C
698
Which of the following reagent is used to separate purity carbonyl and non-carbonyl compounds:
Correct Option
Option C
699
Secondary alcohol is the product of reduction of which carbonyl compound?
Correct Option
Option B
700
Hydrolysis of acyl chloride results in the formation of:
