Explanation

• Fission is the splitting of a nucleus that releases free neutrons and lighter nuclei.
• The fission of heavy elements is highly exothermic which releases about 200 million eV compared to burning coal which only gives a few eV.

Explanation

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

Explanation

The rod cells of the retina are responsible for vision in dim light or at night (scotopic vision),

Providing black and white, low-resolution vision, and contributing to peripheral vision.

They are more numerous and more sensitive to light than cone cells, but they cannot detect color or fine details. 

Explanation

A device that opposes the flow of electrons in electronic circuits is called a resistor.

It is a passive two-terminal component used to reduce current flow, divide voltage, and perform other functions by creating resistance.

Resistance is measured in ohms (Omega). 

Explanation

Penguins are the birds which do not fly but swim to go from one place to another.

Penguins have flippers which help them swim underwater.

Penguin means پنکھ دار بحری پرندہ

Explanation

Elephants, bears, chickens, monkeys, cows, wolf, birds, etc. are warm blooded animals

Warm blooded means گرم خون والا

Explanation

An invertebrate is an animal without a backbone.

Worms, like earthworms, are classified as invertebrates.

They lack a backbone and are found in various environments. 

Explanation

Quaid-e-Azam Day is celebrated on 25 December. 

Mohammad Ali Jinnah Born: December 25, 1876, Karachi

Explanation

Jalal uddin Muhammad Akbar was a Mughal emperor.

He was born in Umarkot (Sindh) in 1542.

He became Emperor in 1556.

He was died in 1605.

Explanation

Hazarganji Chiltan National Park is a national park in the Mastung District of western Balochistan Province of Pakistan.