NEET Biology: Need for classification Practice Questions
15 free multiple-choice questions on Need for classification (Diversity in Living World) for NEET Biology, each with the correct answer and a step-by-step explanation. Attempt a question, then reveal the solution to check your reasoning.
Practice thousands more NEET questions in the app →Q1. How does classification help biologists in studying the vast diversity of life forms?
Show answer & explanation
Correct answer: C — It allows for the study of relationships and correlation between organisms
Classification helps biologists organize living things based on their relationships, allowing them to study similarities and differences and infer evolutionary relationships.
Q2. If we classify organisms based on shared characteristics, we are primarily focusing on which aspect of biology?
Show answer & explanation
Correct answer: B — Systematics
Systematics is the branch of biology concerned with the classification of organisms and the study of their evolutionary relationships.
Q3. In the taxonomic hierarchy, which level is typically considered more specific than the Class?
Show answer & explanation
Correct answer: B — Genus
The hierarchy moves from broad to specific. Order is broader than Family, and Family is broader than Genus. Therefore, Genus is more specific than Class (if Class is considered a major grouping).
Q4. Which of the following is the primary utility of classifying living organisms into taxonomic categories?
Show answer & explanation
Correct answer: B — To study the relationship and evolutionary ties among organisms
Classification organizes the vast diversity of life into manageable groups based on shared characteristics, which allows scientists to study the relationships, evolutionary history, and similarities among different organisms effectively.
Q5. Which level of classification typically involves the broadest grouping of organisms?
Show answer & explanation
Correct answer: B — Kingdom
The Kingdom is the most inclusive taxonomic rank, representing the largest grouping in the hierarchical system of classification.
Q6. What is the primary reason for classifying living organisms?
Show answer & explanation
Correct answer: C — To study them systematically
Classification helps in the systematic study of the vast diversity of life by grouping organisms based on similarities and differences, making the study manageable.
Q7. The system of classification helps in organizing the study of which biological concept?
Show answer & explanation
Correct answer: B — Biodiversity
Classification is fundamentally designed to organize the immense diversity of life, which is known as biodiversity, into manageable groups.
Q8. The use of a universal system of naming, like binomial nomenclature, aids in classification by providing:
Show answer & explanation
Correct answer: A — A unique and unambiguous identification for every organism
Binomial nomenclature (Genus and species name) ensures that every organism has a unique, universally understood, and unambiguous name, which is crucial for classification.
Q9. Which of the following is the most appropriate basis for classifying living organisms into a hierarchical system?
Show answer & explanation
Correct answer: C — Phylogenetic relationships
The most scientifically sound basis for classifying living organisms into a hierarchical system (taxonomic hierarchy) is their phylogenetic relationships, which reflect their evolutionary history and common ancestry.
Q10. The need for classification is primarily driven by the requirement to study the relationships among organisms. This relationship is defined by what?
Show answer & explanation
Correct answer: D — Habitat
Classification aims to reveal the evolutionary relationships and hierarchical organization among different species based on their common ancestry.
Q11. Taxonomy primarily deals with the science of:
Show answer & explanation
Correct answer: C — classifying and naming organisms
Taxonomy is the branch of biology concerned with the scientific classification of organisms, including their naming and arrangement.
Q12. What is the primary importance of a universal system of naming organisms (nomenclature)?
Show answer & explanation
Correct answer: D — To establish a standardized system for communication
A universal naming system ensures that all scientists across the world use the same standardized names for organisms, facilitating clear scientific communication.
Q13. In the taxonomic hierarchy, which term represents the most inclusive grouping among the levels (Kingdom, Phylum, Class, Order, Family, Genus, Species)?
Show answer & explanation
Correct answer: D — Kingdom
Kingdom is the most inclusive rank in the hierarchy, encompassing all other groupings; it is the broadest category.
Q14. Which of the following is the most fundamental basis for grouping organisms into a taxonomic system?
Show answer & explanation
Correct answer: C — Observable morphological differences
The immediate and observable physical differences (morphology) among organisms serve as the most direct basis for initial classification.
Q15. In the context of diversity in the living world, classification helps us to study:
Show answer & explanation
Correct answer: D — The overall organization and diversity of life
Classification provides the framework to study the broad organization and immense diversity present in the entire living world.
Keep going — practice on Padhai Karlo
Padhai Karlo gives you unlimited NEET practice: chapter-wise questions, timed quizzes, and full mock tests with an All-India Rank — free to start.
Get the free Android app →