The Living World
Test-2

Correct answer Carries: 4.

Wrong Answer Carries: -1.

What is the significance of systematics in biological classification?

It only deals with naming species
It studies evolutionary relationships
It classifies organisms based only on physical traits
It ignores the diversity of organisms
2

Systematics includes classification, nomenclature, and studies evolutionary relationships among organisms.

Which of the following correctly represents a binomial scientific name?

homo sapiens
Homo Sapiens
Homo sapiens
homo Sapiens
3

The correct format for a binomial scientific name is: Genus (capitalized) followed by species (lowercase), written in italics, e.g., Homo sapiens.

What does the term ‘Taxon’ refer to in biological classification?

A group of organisms at any rank
Only the species level
A specific naming convention
A laboratory classification technique
1

A taxon is a group of organisms at any level in the taxonomic hierarchy, such as species, genus, or phylum.

Which of the following statements about taxonomy is incorrect?

Taxonomy helps in classifying organisms into different categories.
Taxonomy does not consider evolutionary relationships.
Taxonomy involves the identification, naming, and classification of organisms.
Taxonomy is important for studying biodiversity.
2

Taxonomy does consider evolutionary relationships when classifying organisms.

Which category includes organisms with the highest number of common characteristics?

Species
Genus
Class
Phylum
1

Species is the most specific taxonomic rank, and organisms within a species share the most characteristics.

Which of the following statements about systematics is correct?

Systematics only involves naming species.
Systematics studies evolutionary relationships among organisms.
Systematics ignores genetic and molecular data.
Systematics does not consider fossil records.
2

Systematics involves studying the evolutionary relationships among organisms using genetic, molecular, and fossil data.

Which of the following statements is FALSE about taxonomy?

It helps in identifying evolutionary relationships
It categorizes organisms into hierarchical groups
It considers only physical characteristics for classification
It uses binomial nomenclature for naming organisms
3

Modern taxonomy considers not only physical characteristics but also genetic, biochemical, and ecological traits.

Which of the following statements about molecular taxonomy is correct?

It classifies organisms based on genetic material.
It only relies on physical characteristics.
It ignores evolutionary relationships.
It is not useful for identifying microorganisms.
1

Molecular taxonomy classifies organisms by comparing DNA, RNA, and protein sequences to determine relationships.

Which of the following taxonomic categories includes the LEAST number of species?

Phylum
Class
Genus
Species
4

Species is the most specific taxonomic category and includes the least number of organisms.

Which of the following is correct about phylogenetic classification?

It classifies organisms based on evolutionary history.
It does not use fossil evidence.
It ignores genetic data.
It only considers external morphology.
1

Phylogenetic classification groups organisms based on their evolutionary history, using fossil and genetic data.

Performance Summary

Score:

Category Details
Total Attempts:
Total Skipped:
Total Wrong Answers:
Total Correct Answers:
Time Taken:
Average Time Taken per Question:
Accuracy:
0