MCQs

Explanation
When a sound wave travels from one place to another , it transports energy from the source of the sound to the surrounding environment. Sound waves are a form of mechanical energy that is transferred through the vibration of particles in a medium, such as air or water.

Explanation
If an object absorbs all seven colors of light (i.e., all the wavelengths of visible light), it appears black . This is because no light is being reflected , and our eyes perceive the absence of light as black. When an object reflects all the  component colors of light, it appears  white .

Explanation
The color of an opaque or non-luminous object is the color of light it reflects . When light hits the object , some wavelengths are absorbed, and the remaining wavelengths are reflected , which is what we perceive as the object's color.

Explanation
A rainbow is a beautiful natural phenomenon that demonstrates the spectrum of white light. When sunlight passes through water droplets in the air, it is refracted and separated into its individual colors, creating the colorful arc of a rainbow. This is a perfect example of the spectrum of white light.

Explanation
A spectrum is a band of seven colors that appear when white light is passed through a prism or a similar device , separating the different wavelengths of light. The seven colors of the spectrum, in order, are : Red Orange Yellow Green Blue Indigo Violet

Explanation
Zulifqar Ali Bhutto  introduced the 1973 constitution in Pakistan on  August 14, 1973. According to the 1973 constitution, the  Provincial Assembly, National assembly, and senate elect the President. Whereas the  Prime Minister  is elected by the only  National Assembly. According to the constitution 1973, the minimum age for the  President  of Pakistan: are  45 Years The  President  is elected indirectly for a term of  five years.

Explanation
Zulifqar Ali Bhutto introduced the 1973 constitution in Pakistan on  August 14, 1973. According to the 1973 constitution, the  Provincial Assembly, National assembly, and senate elect the President. Whereas the Prime Minister is elected by the only  National Assembly. According to the constitution 1973, the minimum age for the President of Pakistan: are  45 Years The President is elected indirectly for a term of  five years.

Explanation
The Supreme Court is the highest judicial authority in Pakistan. It has the power to interpret the Constitution and ensure laws follow constitutional principles. Under the 1973 Constitution of Pakistan , the Prime Minister is the Head of Government . The President serves as the Head of State with a ceremonial role.

Explanation
On December 22, 2020 , PM Imran Khan launched the " Billion Tree Honey Initiative " to boost honey production and tree plantation under the same program. " 10 Billion Tree Tsunami " was launched in 2018 as a five-year nationwide project to plant 10 billion trees . It was an expansion of the earlier " Billion Tree Tsunami " campaign in Khyber Pakhtunkhwa (KP). The campaign was also known as " Plant for Pakistan ".

Explanation
Balochistan reported the highest number of polio cases in Pakistan in 2024 : Balochistan : Reported the most cases with 27 infections Sindh : Reported 23 cases Khyber Pakhtunkhwa : Reported 22 cases Islamabad : Reported one case Punjab : Reported one case