Explanation

• Species is the basic unit of classification.
• Species are a group of organisms that are morphologically similar and can interbreed.
• Classification system as proposed by Linnaeus.

These groups or levels are:

1. Kingdom
2. Phylum
3. Class
4. Order
5. Family
6. Genus 
7. Species

Species is the smallest unit of classification.

Last verified on 20-05-2026

Explanation

• Nylon 6,6 is a synthetic polyamide polymer.
• It is formed by condensation polymerization.
• Two monomers react to form long polymer chains.
• Nylon 6,6 is formed by condensation of adipic acid (diacid) and hexamethylenediamine (diamine).
• Each monomer contributes 6 carbon atoms (hence 6,6).
• Water is eliminated during the reaction.

Last verified on 19-05-2026

Explanation

• Seismology is the study of earthquakes and seismic waves that move through and around the Earth.
• A seismologist is a scientist who studies earthquakes and seismic waves.

Last verified on 03-04-2026

Explanation

• Isotopes of an element have the same number of protons.
• They differ in number of neutrons, which changes mass number.
• Chemical properties remain almost the same due to same protons.

Last verified on 14-05-2026

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