Explanation

Petroleum, coal, and natural gas are all fossil fuels formed from the remains of ancient plants and animals.

They are non-renewable energy sources and major contributors to global energy production.

Explanation

Sindhu refers to the Indus River and its surrounding region, traditionally associated with seven rivers.

The word Hindu was later derived by Persians from Sindhu to describe the people living beyond the Indus.

Explanation

"Rural life" refers to life in the countryside or villages, away from towns and cities.

It typically includes farming, less population density, and natural surroundings.

Explanation

جمعہ کے دن درود شریف کی کثرت کا خاص حکم احادیث مبارکہ سے ثابت ہے۔

یہ دن فضیلت والا ہے اور نبی ﷺ پر درود پڑھنے کا بہت اجر ہے۔

Explanation

Explanation

Leukemia is a type of cancer that affects the white blood cells.

It causes the body to produce abnormal white blood cells that don't function properly.

Explanation

In a food chain, herbivores are primary consumers, feeding on producers (plants), which places them at the second trophic level.

The first level is occupied by plants (producers), and herbivores come next.

Explanation

• A translucent object allows some light to travel through it, but scatters or absorbs some of the light, making it semi-transparent.
• Examples: Frosted glass, wax paper, and tissue paper.

Transparent: Allows all light to pass through, providing a clear view. 

Opaque: Does not allow any light to pass through.

Explanation

Hazrat Abu Bakr (R.A.) passed away in 13 AH (634 AD) at the age of 63, the same age as the Prophet Muhammad (PBUH).

He served as the first Caliph of Islam for about 2 years and 3 months.

Explanation

"Must" expresses necessity or obligation, which fits the expectation from a Head Prefect.

It indicates that being exemplary is a required quality for the role.