Explanation

• Volcanic rocks are a type of extrusive igneous rock.
• They are formed from magma that erupts and cools rapidly on or above the Earth's surface.
• Common examples include basalt, andesite, and rhyolite

Last updated question by NS on 2 MAY 2026

Explanation

• The correct food chain, representing the flow of energy from producer to top predator, is:
• Grass (Producer): Produces energy through photosynthesis
• Grasshopper (Primary Consumer): Herbivore that eats grass
• Frog (Secondary Consumer): Carnivore that feeds on grasshoppers.
• Snake (Tertiary Consumer): Carnivore that feeds on frogs.
• Eagle (Apex Predator): Top predator that feeds on snakes

Last updated question by NS on 2 MAY 2026

Explanation

• The logical order of the medical sequence is: Patient, Diagnostic, Doctor, Treatment, Bill
• Patient: The person seeking care.
• Doctor: The professional providing care.
• Diagnostic: The doctor examines/diagnoses the patient.
• Treatment: The action taken to treat the illness.
• Bill: The final step for services rendered.

Last updated question by NS on 2 MAY 2026

Explanation

• The study of ancient societies through remains and artifacts is called archaeology.
• It focuses on ruins, tools, coins, and old structures.
• It helps us understand past human civilizations.

Last verified on 02-05-2026

Explanation

• Total bones in adult human body = 206
• At birth = 270–300 bones (fuse to become 206)

The total bones of our body can be divided into:

• Axial skeleton = 80 bones
• Appendicular skeleton = 126 bones

Additional information:

• Newborn baby has 300 bones
• Longest bone = Femur
• Shortest bone = Stapes
• Bones in human skull = 22

Last verified on 30-03-2026