Explanation

Typhoid and Cholera are both waterborne diseases that can be caused by drinking contaminated water.

• Typhoid fever is a bacterial infection caused by Salmonella Typhi, which can be spread through contaminated food and water.
• Cholera is a diarrheal disease caused by Vibrio cholerae, which can be spread through contaminated food and water, as well as through person-to-person contact.

Explanation

Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus.

The virus spreads from person to person

and can infect a person's spinal cord, causing paralysis (can't move parts of the body).

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The Polio vaccine was invented by___?

 Jonas Salk

Which country launched a polio vaccine drive after 1988 in April 2022?

 Israel

Explanation

Television Radio Phones spread signals through Electromagnetic Waves

Sound travels at approximately 1,100 feet per second (766 miles per hour).

while

Radio waves travel at the speed of light, which is approximately 186,000 miles per second.

Explanation

Autopsy is a medical examination performed on a dead body to determine the cause of death or study disease.

It involves analyzing organs and tissues post-mortem.

Explanation

Benjamin Franklin invented the lightning rod, a device used to protect buildings from lightning strikes.

He made this invention in 1752 as part of his experiments with electricity.

Explanation

1. Mercury

Swift Planet for Mercury

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2. Venus

Eight planets in the solar system

Explanation

The electrical activity of the brain is measured by EEG (Electroencephalogram).

It records brain wave patterns.

It is used to diagnose conditions like epilepsy and sleep disorders.

Explanation

Fresh milk has a pH value of 6.7.

Bacteria from the family of Lactobacillaceae are lactic acid bacteria (LAB) responsible for the breakdown of the lactose in milk to form lactic acid.

Explanation

In 1905, Allama Iqbal traveled to England for higher education.

He studied at Cambridge University.

Later, he continued his studies at the University of London.

Explanation

Deserts are formed by weathering processes as large variations in temperature between day and night put strains on the rocks, which consequently break in pieces.

Although rain seldom occurs in deserts, there are occasional downpours that can result in flash floods.