Explanation

Pinworms (Enterobius vermicularis) are roundworms that cause infections in the human intestines.

They are common in children.

It spread through contaminated surfaces or hands.

Explanation

Bronchial respiration refers to respiration through gills, mainly seen in fishes.

Gills extract dissolved oxygen from water and expel carbon dioxide.

Explanation

Maltose is made of two glucose molecules, so both structural units are the same.

Lactose = glucose + galactose (different units).

Sucrose = glucose + fructose (different units).

Explanation

Secondary syphilis commonly presents with fever, skin rashes (especially on palms and soles), and joint pain.

It occurs weeks after the primary sore and indicates systemic spread of the infection.

Explanation

A virus consists of a protein coat (capsid) that surrounds its genetic material (DNA or RNA).

It lacks cellular structures.

It is not considered a complete cell.

Explanation

Explanation

 Aviophobia is the specific fear or anxiety associated with flying in airplanes. 

Explanation

• Paleontology is the scientific study of fossils and ancient life forms, focusing on the history of life on Earth, evolution, and extinction.
• Paleontologists use fossils to reconstruct the biology, ecology, and behavior of ancient organisms.

Explanation

Nickel and Iron present in the inner core of the Earth are together known as NiFe.

The extreme pressure exerted on the inner core by the rocks of the layers lying above causes the NiFe to be in a solid state.

Explanation

• a) Tuberculosis – Caused by the bacterium Mycobacterium tuberculosis 

• b) Typhoid – Caused by the bacterium Salmonella typhi 

• c) Cholera – Caused by the bacterium Vibrio cholerae 

• d) Influenza – Caused by the influenza virus (NOT a bacterium)