Explanation

The study of parasites is called Parasitology.

It is a branch of biology focusing on parasites, their hosts, and their relationships, often studied in microbiology and veterinary science for diagnosis and treatment of parasitic diseases.

Explanation

Energy is measured in units of kilocalories

One kilocalorie  is equal to 4.18 kilojoules.

The amount of energy a food contains per gram is known as its energy density,

So we can describe fat as more energy-dense than protein or carbohydrate.

Explanation

Explanation

Geology focuses on the study of Earth’s structure, composition, and processes.

It forms the core subject in Earth science education.

Explanation

Geography is the study of the Earth, its physical features, and human activities.

It helps us understand landforms, climate, and the relationship between humans and the environment.

Explanation

A velometer measures the velocity of airflow in ducts or open spaces.

Commonly used in HVAC systems and meteorological studies.

Explanation

Water has maximum density at 4°C.

When Water is in its Solid form (Ice) below 0°C.

Explanation

Plaster of Paris changes into gypsum on mixing with water 

It is commonly called P.O.P. is calcium sulfate hemihydrate.

The chemical formula of plaster of Paris  is CaSO4.1/2 H2O

Crystals of gypsum are produced when Plaster of Paris is mixed with water 

Gypsum is calcium sulfate dihydrate and a mineral used in cement manufacturing.

It helps in controlling the rate of hardening of the cement. 

Explanation

Ophthalmologist means a specialist in the branch of medicine concerned with the study and treatment of disorders and diseases of the eye.

Ophthalmologist means ماہر امراض چشم

Explanation

Talus cones are made through the continuous accumulation of loose, angular rock fragments at the base of a steep cliff or mountain slope. The process involves the physical and chemical weathering of the rock face above, followed by the transport of the debris downslope primarily by gravity (mass wasting).