311 Which part of the eye controls the amount of light entering it?
Explanation
The iris controls the size of the pupil, regulating how much light enters the eye
Last verified on 25-09-2026
General Knowledge MCQs
750 MCQs is category mein available hain.
All MCQs in General Knowledge
312 What is the approximate normal pH of human blood?
Explanation
Human blood normally maintains a slightly alkaline pH of approximately 7.4
Last verified on 25-09-2026
313 What is the chemical symbol for Iron?
Explanation
The chemical symbol for Iron is Fe, derived from its Latin name 'Ferrum'
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314 Which gland is known as the ‘master gland’ of the human body?
Explanation
The pituitary gland is called the 'master gland' because it controls the function of most other endocrine glands
Last verified on 25-09-2026
315 What is the SI unit of force?
Explanation
The Newton (N) is the SI unit of force, defined as the force needed to accelerate 1 kg at 1 m/s^2
Last verified on 25-09-2026
316 What is the chemical symbol for Oxygen?
Explanation
The chemical symbol for Oxygen is O
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317 What is the full form of DNA?
Explanation
DNA stands for Deoxyribonucleic acid, the molecule carrying genetic information in living organisms
Last verified on 25-09-2026
318 What is the SI unit of energy or work?
Explanation
The Joule (J) is the SI unit of energy and work
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319 What is the pH value of pure water at room temperature?
Explanation
Pure water has a neutral pH of 7 on the pH scale
Last verified on 25-09-2026
320 Which organ is primarily responsible for the sense of smell?
Explanation
The nose contains olfactory receptors responsible for detecting smells
Last verified on 25-09-2026