Explanation

An optical fiber is a flexible,

transparent fiber made by drawing glass  or plastic

To a diameter slightly thicker than that of a human hair.

Explanation

The elements of the periodic table sorted by atomic number

Atomic number Name chemical element                 Symbol

1                         Hydrogen                                             H

2                         Helium                                                     He

3                         Lithium                                                      Li

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RY 15-01-2023

Explanation

• Hemodialysis is a medical procedure that filters and cleans the blood using a machine when the kidneys fail to perform this function effectively.
• It removes waste, toxins, and excess fluids from the bloodstream.

Explanation

William Harvey: first known physician to describe completely, and in detail, the systemic circulation and properties of blood. 

William Harvey is also known as father of circulation of blood. 

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

The human cell contains 46 chromosomes.

These are organized into 23 pairs, where each parent contributes one chromosome to each pair, resulting in a total of 46 chromosomes in most human cells.

This number includes 22 pairs of autosomes and 1 pair of sex chromosomes, determining an individual's sex (XX for females and XY for males).

Explanation

Argon is a commonly used gas used to fill incandescent light bulbs.

It increases bulb life by preventing the tungsten filaments from deteriorating too quickly.

Other gases are also used in lighting such as:

• Helium
• Neon
• Nitrogen
• Krypton

Explanation

Osmosis is the movement of water molecules through a semipermeable membrane from an area of higher water concentration to lower concentration.

It is a vital process in biological systems for maintaining cell balance.

Explanation

Hydrogenation is the process by which hydrogen is used in the preparation of banaspati ghee from vegetable oil

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ND16-12-2022

Explanation

Dermatology:  Study of skin 

It involves the study of health conditions that may affect the skin, fat hair, nails, and membranes. 

Additional information:

Agrostology: Study of Grasses 

Agronomy: soil management and crop production 

Odontology: study of teeth 

Arthrology: Study of joints 

Nephrology: study of kidneys

Hematology: Study of blood