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OTS (Open Testing Service) · Khuddam-ul-Hujjaj/ Nazims for Hajj (OTS 2027 - Includes All NTS Past Papers)

Most Repeated GK MCQs from Past Papers MCQs with Answers & Explanations (Page 32)

Practice verified Most Repeated GK MCQs from Past Papers 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 32).

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3,653 Questions • 2740 Mins Practice • Updated for 2026 Competitive Exams
3653 MCQs
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Solved Questions

3653 Questions
621
Which of the following units represents the largest amount of energy?
622
Which of the following is radioactive?
623
Why is carbon used in the purification of drinking water?
624
Osmotic pressure of a solution is increased by:
625
Isotonic solutions have same:
626
The movement of solvent through a semi-permeable membrane is called:
627
The empirical formula of sulfuric acid is:
628
Why does Neon (Ne) gas diffuse faster than CO₂ gas?
629
Number of elements present in fifth period of periodic table is:
630
Formula of heavy water is:
631
Potassium is kept in:
632
Sea weeds are important source of:
633
Which of the following noble gases is not present in atmosphere?
634
Which of the following contains four significant figures?
635
The first book of physics was written by:
636
Which of the following is the unit of velocity?
637
S.I. unit for frequency is:
638
Which of the following quantity is expressed as force per unit area?
639
Which of the following waves have smallest velocity in vacuum?
640
Is the term used for all liquids: