Explanation

Explanation

Thalassemia is a genetic blood disorder caused by an abnormality in hemoglobin production.

It leads to reduced oxygen-carrying capacity of red blood cells.

Explanation

The Sultan Azlan Shah Cup is an annual international men's field hockey tournament held in Malaysia.

It began in 1983 as a biennial contest.

Explanation

The Regional Cooperation for Development (RCD) was renamed Economic Cooperation Organization (ECO) in 1985.

It aiming to promote economic, technical, and cultural cooperation among member states in Asia.

RCD was established on: 21 July, 1964

RCD was dissolved in: 1979

RCD stand for Regional Cooperation for Development

RCD: Established by Iran, Pakistan and Turkey

RCD headquarters: Iran

Explanation

Silicon (Si) is the element most commonly used to fabricate solar cells and transistors.

Silicon is a semiconductor material that is widely used in the production of electronic components, including:

• Solar cells (photovoltaic cells)
• Transistors
• Microprocessors
• Diodes

Explanation

She is suffering from a fever.

وہ بخار میں مبتلا ہے۔

We use "from" here because it indicates the cause of the suffering.

"Suffering from" is a common collocation in English that denotes experiencing a particular condition or ailment.

Explanation

Jupiter, Uranus, and Neptune have rings, too.

But Saturn's rings are the biggest and brightest.

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Explanation

Bleaching powder is synthesized by reacting chlorine gas with calcium hydroxide (Ca(OH)₂).

The chemical formula of bleaching powder is Ca(OCl)Cl.

Explanation

The surface area of a sphere depends only on the radius (r) and is given by the formula 4πr².

This formula comes from calculus and represents the total area covering the outer layer of a perfect sphere.

Explanation

36 is a composite number as it has factors other than 1 and itself.

Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.