General Knowledge MCQs

Important General Knowledge MCQS for all competitive exams . All in one MCQS. All one paper MCQS study and download in pdf

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Breadth of tank if length = 2.5m, depth = 10m, volume = 50,000L:

A. 1 m
B. 2 m
C. 2.5 m
D. 5 m
Correct answer is: B. 2 m
Volume = 50,000L = 50 m³. Length × Breadth × Depth = 2.5 × B × 10 = 50, so B = 2 m.

Sun has burned half of hydrogen in:

A. 3 billion years
B. 4.6 billion years
C. 5.5 billion years
D. 6.1 billion years
Correct answer is: B. 4.6 billion years
The Sun, about 4.6 billion years old, has consumed roughly half its hydrogen fuel.

Instrument to measure blood pressure:

A. Thermometer
B. Sphygmomanometer
C. Barometer
D. Stethoscope
Correct answer is: B. Sphygmomanometer
A sphygmomanometer is used to measure blood pressure.

Used to create a copy of document:

A. Save
B. Save as
C. Print
D. Export
Correct answer is: B. Save as
'Save as' creates a copy of a document under a new name or format.

یہ پانی ملتان بہ گیا ہے ۔ کا کیا مطلب ہے؟

A. پانی بہت دور چلا گیا
B. پانی ضائع ہو گیا
C. وقت یا موقع ضائع ہو گیا
D. پانی کی قلت
Correct answer is: C. وقت یا موقع ضائع ہو گیا

Passive Voice of “Sajid gave the beggar an old shirt”.

A. An old shirt was given to Sajid by the beggar.
B. An old shirt was given to the beggar by Sajid.
C. The beggar was gave an old shirt by Sajid.
D. An old shirt was gave to the beggar by Sajid.
Correct answer is: B. An old shirt was given to the beggar by Sajid.

The Dyarchy system introduced in British India was based on:

A. Centralization of power
B. Martial law
C. Religious division
D. Provincial autonomy
Correct answer is: D. Provincial autonomy
Dyarchy, introduced by the Government of India Act 1919, divided provincial governance into reserved and transferred subjects.

One nanometer is equal to:

A. 10⁻⁹ meters
B. 10⁻⁶ meters
C. 10⁻³ meters
D. 10⁻¹² meters
Correct answer is: A. 10⁻⁹ meters
One nanometer equals 10⁻⁹ meters meters, a billionth of a meter.

Selenium, a trace element, works closely with Vitamin ___ in the body.

A. A
B. B
C. C
D. E
Correct answer is: D. E
Selenium works with Vitamin E as an antioxidant to protect cells.

When a star starts fusing helium into carbon, it becomes a:

A. Red giant
B. White dwarf
C. Neutron star
D. Supernova
Correct answer is: A. Red giant
A star becomes a red giant when it begins fusing helium into carbon after exhausting hydrogen.
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