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

Central American Integration System (SICA) MCQs with Answers & Explanations

International Organizations  · General Knowledge

243 Questions • 183 Mins Practice • Updated for 2026 Competitive Exams
243 MCQs
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243 Questions
41
In order to form a stable molecular geometry, central atom of aluminium chloride, will undergo:
42
A cavity formed by the disintegration of protoxylem tracheids in Equisetum stem is called:
43
Systematic errors can be ______.
44
A bullets of mass m moving with a velocity v is fired into a large wooden block of mass M. If the bullet remains embedded in the wooden block, the velocity of the system will be:
45
Nervous system that prepare itself for fight or flight:
46
A molecule which contains two ion pairs and two bond pairs of electron in valence shell of central atom, geometrical shape of molecules will be:
47
Purkinje fibres are connected with the impulse conducting system of?
48
Tetanus is the infection of:
49
_____ is considered as chief structural and functional unit of nervous system:
50
Ice and Water is in equilibrium with each other. By increasing the pressure of equilibrium will shift in:
51
A system can be taken from the initial state P₁V₁ to the final state P₂V₂ by two different methods. Let Q and W represent the heat given to the system and the work done by the system. Which of the following must be the same in both the methods?
52
In electron transport chain, ATP synthesis takes place when electron moves from:
53
Which of the following is the components/ tools of recombinant DNA technology?
54
The process of spermatogenesis (formation of sperm) takes place in which part of male reproductive system?
55
The terminal portion of the male duct system is:
56
Hormones are usually:
57
All of the following crystal systems have β = γ = 90° except:
58
The molecular shape of a molecule with three bonded atoms and one lone pair electron on the central atom will be:
59
Crystal having orthorhombic crystal system is:
60
In phylum Aschelminthes (Nematoda), nervous system consists of a nerve ring which encircles the ______ and sends its branches in different parts of the body: