Which medical condition is characterized by persistently high blood pressure that can increase the risk of heart disease?

Which structure in the throat is commonly known as the voice box and is responsible for sound production?

Which everyday material is a good thermal insulator commonly used in winter clothing to retain body heat?

Which everyday device measures the voltage or potential difference between two points in a circuit?

Which unit measures the loudness or intensity of sound?

Which vitamin deficiency causes pellagra characterised by dermatitis diarrhoea and dementia?

Which flexible connective tissue cushions joints and is found in structures like the ear and nose?

Which photoreceptor cells in the eye are responsible for colour vision and function best in bright light?

Which everyday safety device detects dangerous levels of carbon monoxide in homes?

Which type of energy transformation occurs in a solar panel converting sunlight into usable electricity?

Which layer of the atmosphere contains the ozone layer that absorbs harmful ultraviolet radiation?