Explanation

Vitamin C, also known as ascorbic acid, is necessary for the growth, development and repair of all body tissues.

Vitamin C is a water-soluble vitamin found in citrus fruits and other fruits and vegetables, and is also sold as a dietary supplement.

A natural water-soluble vitamin (Vitamin C)

Vitamin C, also known as ascorbic acid.

Vitamin C is necessary for the growth, development, and repair of all body tissues.

Explanation

Graphite is a crystalline form of the element carbon.

It consists of stacked layers of graphene.

Graphite occurs naturally and is the most stable form of carbon under standard conditions.

Explanation

A seismograph is an instrument used to detect and record earthquakes.

It consists of a mass attached to a fixed base

During an earthquake, the base moves and the mass does not.

Explanation

Bile juice is produced by the liver.

It is stored in the gall bladder.

From the gall bladder, it is released into the small intestine.

Bile juice aids digestion.

Explanation

A biconvex lens is the type of lens found in the human eye,

and it is responsible for forming genuine images

The lens, or crystalline lens, is a transparent biconvex

structure in most land vertebrate eyes (We are all vertebrates)

***

The image formed at the retina of the human eye is real and inverted.

ND-8-08-2023

Explanation

• The greenhouse effect is an environmental problem caused by the increasing amount of carbon dioxide (CO2) in the atmosphere.
• Primarily due to human activities such as burning fossil fuels, deforestation, and land-use changes.
• This excess CO2 traps heat and leads to global warming and climate change.

Explanation

We can measure our blood pressure on our own using a digital blood pressure monitor for automated readings or an instrument called a sphygmomanometer for manual readings.

A sphygmomanometer also known as a blood pressure monitor, is a device used to measure blood pressure.

Explanation

The number of bones in a human skull is 22

The human skull is generally considered to consist of twenty-two bones

• eight cranial bones
• fourteen facial skeleton bones

**

while

300 bones are there in a newborn infant.

The human hand has 27 bones

Explanation

Explanation

Dmitri Mendeleev, a Russian chemist, formulated the Periodic Table in 1869, arranging chemical elements according to their atomic number (number of protons in the nucleus) and chemical properties.

He organized the elements in a logical and systematic order.

This making it easier to predict their behavior and relationships.