Explanation

The term curriculum is derived from the Latin word Currere.

Curriculum means: To run the course.

It refers to the structured set of subjects or learning experiences designed for students in an educational system.

Explanation

Magnesium Sulphate (Epsom salt) is a common laxative that helps relieve constipation by drawing water into the intestines.

It works by softening stool and promoting bowel movements when taken in proper dosage.

Explanation

The master ordered the servant to bring him a new flower that day.

"Said to" changes to "ordered" in indirect speech for a command.

"Bring a new flower today" changes to "to bring him a new flower that day", adjusting pronouns and time expressions.

Explanation

PIDC is a federal government entity established in 1952.

It was initially formed to develop the industrial base in Pakistan.

PIDC operates under the Ministry of Industries and Production.

It has played a key role in industrialization and economic growth.

Explanation

Explanation

Femto (f) is a prefix in the metric system that represents 10⁻¹⁵ (one quadrillionth).

It is commonly used in physics and chemistry, such as femtoseconds (fs) = 10⁻¹⁵ seconds.

Explanation

To convert the octal number (143)₈ to decimal:

Multiply each digit by the corresponding power of 8:

(1 × 8²) + (4 × 8¹) + (3 × 8⁰)

= (1 × 64) + (4 × 8) + (3 × 1)

= 64 + 32 + 3

= 99

Explanation

Diamond is a non-metal with a high-density.

Graphite: A non-metal but has a lower density (~2.2 g/cm³).

Hydrogen: The lightest element with very low density (~0.000089 g/cm³).

Helium: Also very low density (~0.00018 g/cm³).

Diamond: A non-metal form of carbon with high density (~3.5 g/cm³).

Iron: A metal, so not a valid choice for a non-metal category.

Explanation

Metals are opaque, meaning they do not allow light to pass through.

They are malleable (can be hammered into thin sheets) and lustrous (shiny in appearance).

Explanation

Evolution theory explains that the world and living beings follow a natural order and regularity through gradual changes over time.

It is primarily associated with Charles Darwin, who proposed that species evolve through natural selection.