Explanation

Ecology is the study of interrelationships between organisms and with their environment.

It is also known as environmental science.

It's a branch of biology that examines how living things interact with their physical surroundings.

Explanation

Troposphere is the lowest layer of the atmosphere where all weather phenomena occur and where we live.

Exosphere is the outermost layer, gradually merging into space, containing very thin air and satellites.

Explanation

The pH of pure water (H20) is 7 at 25 °C

pH stands for "Potential Hydrogen"

Explanation

Chlorine is a strong oxidant that rapidly kills many harmful microorganisms.

Chlorine is a toxic gas.

Explanation

Sodium is a chemical element with the symbol Na and atomic number 11.

It is a soft, silvery-white, highly reactive metal.

Sodium is an alkali metal, being in group 1 of the periodic table.

Explanation

Explanation

An Electrocardiogram (ECG) records the electrical activity of the heart.

It helps diagnose heart conditions like arrhythmias, heart attacks, and other cardiac issues.

Explanation

Direct current is produced when electrons flow constantly in one direction.

It's abbreviated as "DC".

Since direct current flows in one direction only, its electrical pressure or voltage is always oriented in one direction, or "polarity".

Explanation

• The male reproductive part of a flower is called the Stamen.

It consists of two parts:

1. Anther (produces pollen grains)
2. Filament (supports the anther)

Explanation

A hydrogenation reaction occurs when vegetable oils are converted to fats.

The double bonds of vegetable oils are broken down resulting in a saturated fat i.e. ghee.