Explanation

• Chlorosis in older leaves occurs due to the deficiency of Magnesium.
• Chlorosis is a condition in which the leaves produce an insufficient amount of chlorophyll, causing yellowing of the leaves.
• Magnesium is the main component of chlorophyll, so its deficiency causes insufficient production of chlorophyll in leaves.

Explanation

• The condition caused by a deficiency of niacin is called pellagra.
• Pellagra is a systemic disease that affects the skin, mouth, bowels and brain.
• The condition is usually caused by a poor diet, but it can also be caused by other health conditions that prevent the body from absorbing or using niacin.

Explanation

Diseases like chickenpox and polio are caused by viruses.

Chickenpox is caused by the varicella-zoster virus.

Polio is caused by the poliovirus.

Both of which are infectious viral diseases.

Explanation

Chemical substances used on living tissues to inhibit the growth of microorganisms are called antiseptics.

Explanation

In pharmacies, POS data is used to reconcile patient clinical data 

POS stands for Point of Services

Explanation

• The poisonous gas which is the main byproduct of motor vehicles with an irritating smell is sulfur dioxide (SO₂).
• Sulfur dioxide is produced by the combustion of fossil fuels containing sulfur and contributes to air pollution and respiratory problems.

Explanation

Pancreatic juice, produced by the pancreas, contains a mix of enzymes that break down:

• Proteins (pepsin, trypsin, and chymotrypsin)
• Fats (lipase)
• Carbohydrates (amylase)

Explanation

• Chlorophyll is the green pigment found in chloroplasts.
• It responsible for absorbing light energy and playing a central role in photosynthesis.

Explanation

• The eardrum (tympanic membrane) converts sound waves into mechanical vibrations.
• Which are then transmitted through the middle ear bones (ossicles) to the inner ear.

Explanation

• The pupil is the small opening in the center of the iris that changes size to regulate the amount of light entering the eye.
• It acts like a camera aperture, opening or closing to control the amount of light that enters the eye.