Explanation

A deficiency of Vitamin D results in Rickets in children and osteomalacia in adults.

A deficiency of Vitamin D also causes:

• Bone Pain
• Weak Bones
•  Skeletal Deformities.

Sunlight is a good source of Vitamin D.

 Additional Information:

Vitamin A deficiency causes night blindness

Vitamin C deficiency causes scurvy 

Vitamin B (B7) deficiency causes hair fall

SH10-8-2023AGM 28.02.28ND16112023

Explanation

Explanation

• Short-sightedness (myopia) can be corrected by wearing a concave lens.
• It is thinner in the center than at the edges.
• This lens disperses light rays, allowing them to focus correctly on the retina.

Explanation

 A computer program that translates one program's instructions at a time into machine language is called an Interpreter.

A compiler is a special program that translates a programming language's source code into machine code, bytecode or another programming language.

Examples of interpreted languages are JavaScript, Python, Perl, etc.

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Explanation

Explanation

• A Neutralization reaction is a specific type of reaction where an acid and a base react to form a salt and water only, with no other products.
• This reaction is characterized by the elimination of acidic and basic properties, resulting in a neutral solution.
• Example: HCl (acid) + NaOH (base) → NaCl (salt) + H2O (water)

Explanation

In the normal human eye, the image is formed On the retina, where light is focused and converted into electrical signals by photoreceptors.

This allows us to perceive and interpret visual information.

Explanation

The stratosphere is the second layer of Earth's atmosphere as you go upwards, lying above the troposphere and below the mesosphere.

The layers of the Earth's atmosphere, in order from the surface, are:

1. Troposphere (up to about 12 km/7.5 miles)
2. Stratosphere (up to about 50 km/31 miles)
3. Mesosphere (up to about 85 km/53 miles)
4. Thermosphere (up to about 600 km/373 miles)

Explanation

Explanation

Polio is also known as poliomyelitis.

It is a disease caused by the poliovirus.

The virus is usually spread through the fecal-oral route, which includes through contaminated water and food.