Explanation

• The cell wall of fungi is primarily made of chitin.
• It is a strong structural polysaccharide that provides support, strength, and protection.

Additional information:

• Cell membrane: Located inside the cell wall and controls the movement of substances into and out of the cell.
• Plants: Their cell walls are mainly made of cellulose.
• Bacteria: Their cell walls typically contain peptidoglycan.

Last verified on 15-10-2026

Explanation

• Newton’s First Law of Motion is also called the Law of Inertia.
• It states that an object remains at rest or continues moving at a constant velocity in a straight line unless acted upon by an unbalanced external force.
• Inertia is the tendency of an object to resist changes in its state of rest or motion.
• Proposed by: Sir Isaac Newton in Principia Mathematica (1687).

Last verified on 15-10-2026

Explanation

• Genetics: Study of heredity and variation in organisms.
• An Austrian monk who experimented with pea plants in the 19th century is known as the "Father of Modern Genetics"

Additional information

• Ecology: Study of organisms and their environment.
• Anatomy: Study of the structure of organisms.
• Evolution: Study of how living organisms change over generations.

Explanation

• Phycology is the branch of biology that studies algae.
• Algae are primarily aquatic, photosynthetic organisms found in freshwater, seawater, and moist environments.
• Phycology is also known as algology.

Additional information:

• Bacteriology: Study of bacteria
• Mycology: Study of fungi
• Virology: Study of viruses

Last verified on 12-10-2026

Explanation

• Main mineral in hemoglobin: Iron
• Chemical symbol: Fe
• Location: Red blood cells
• Main function: Oxygen transport throughout the body

Last verified on 12-10-2026