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 132)
World Records & Superlatives
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10,583 Questions• 7938 Mins Practice• Updated for 2026 Competitive Exams
10583 MCQs
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10583 Questions
2621
Which balanced chemical equation show the formation of ethanol chloride using thionyl chloride?
Correct Option
Option D
2622
Which of the following substances exhibits hydrogen bonding?
Correct Option
Option C
2623
Which of the following bond is responsible for joining the amino acids in proteins?
Correct Option
Option A
2624
Which of the following is the electronic configuration of Cr?
Correct Option
Option B
2625
The number of moles of water in 1Kg ice are:
Correct Option
Option D
2626
Which of the following sets constitutes of all the molecules and ions of non-planar geometry?
Correct Option
Option B
2627
Which of following compounds is responsible for the depletion of ozone layer?
Correct Option
Option A
2628
Which product is obtained by the hydrolysis of 1-chlorobutane with the aqueous sodium hydroxide?
Correct Option
Option B
2629
Solution contains 85.5 g of sucrose (C₁₂H₂₂O₁₁) in 250 cm³. What is its molarity?
Correct Option
Option C
2630
Which of the following will give a positive test with Tollen's reagent?
Correct Option
Option C
2631
The range of the projectile depends upon the velocity of the projection and the angle of the projection i.e 45°. For a fixed velocity, when the angle of projection is larger than 45°. Which of the following is correct?
Correct Option
Option A
2632
The wavelength of the electromagnetic wave having frequency of 3 kHz will be?
Correct Option
Option B
2633
Which of the following is statement shows that no work is done?
Correct Option
Option C
2634
If two objects of equal masses 'm' are moving towards each other with the same speeds 'v' then what will be the total final momentum after elastic head-on collision?
Correct Option
Option D
2635
What is the quark composition of a Proton?
Correct Option
Option A
2636
An object is moving along a circular path of radius 4m. What will be its angular displacement if it moves 14m on this circular path?
Correct Option
Option A
2637
In relation λT₁/₂ = 0.693, which quantity is represented by λ?
Correct Option
Option A
2638
Electric field strength of a point charge is E and electric potential is V at a distance r from the point charge. What is the electric potential at a point for the same point charge where electric field strength is E/4?
Correct Option
Option C
2639
If a light is emitted by a single source passes through two narrow slits 1.00 mm apart. The interference pattern is observed on a screen 200 cm away and the separation between the centres of adjacent bright fringes is 2.00 mm. What would be the wavelength of the light?
Correct Option
Option B
2640
Path difference for the destructive interference can be written as:
