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Class 11 | CBSE | BIOLOGY
1.2 TAXONOMIC CATEGORIES | MCQs
Class 11 Biology – Chapter 1
1.2 TAXONOMIC CATEGORIES
Framed strictly as per CBSE + NEP competency-based pattern, focusing on concept clarity, hierarchy, and application.
IMPORTANT MCQs: TAXONOMIC CATEGORIES
Q1.
The correct ascending order of taxonomic categories is:
A. Species → Genus → Family → Order → Class → Phylum
B. Genus → Species → Family → Order → Class → Phylum
C. Species → Family → Genus → Order → Class → Phylum
D. Genus → Species → Order → Family → Class → Phylum
Answer: A
Q2.
The basic unit of classification is:
A. Genus
B. Species
C. Family
D. Taxon
Answer: B
Q3.
Members of a species:
A. Look similar but cannot interbreed
B. Interbreed and produce fertile offspring
C. Belong to different genera
D. Show no genetic similarity
Answer: B
Q4.
Which taxonomic category includes organisms with maximum similarities?
A. Genus
B. Family
C. Species
D. Order
Answer: C
Q5.
Which of the following represents a correct genus?
A. Homo sapiens
B. sapiens
C. Homo
D. H. sapiens
Answer: C
Q6.
Lion (Panthera leo) and tiger (Panthera tigris) belong to the same:
A. Species
B. Family
C. Genus
D. Order
Answer: C
Q7.
Which taxonomic category includes related genera?
A. Species
B. Family
C. Order
D. Class
Answer: B
Q8.
The category Felidae belongs to:
A. Order
B. Family
C. Genus
D. Species
Answer: B
Q9.
Which of the following is the correct taxonomic hierarchy?
A. Kingdom → Phylum → Class → Order → Family → Genus → Species
B. Kingdom → Class → Phylum → Order → Family → Species → Genus
C. Kingdom → Phylum → Order → Class → Family → Genus → Species
D. Kingdom → Class → Order → Phylum → Family → Genus → Species
Answer: A
Q10.
As we move from species to kingdom, the number of organisms:
A. Decreases
B. Remains same
C. Increases
D. Becomes zero
Answer: C
Q11.
Which category has the least number of organisms?
A. Family
B. Genus
C. Species
D. Order
Answer: C
Q12.
Which taxonomic level shows maximum diversity?
A. Species
B. Genus
C. Family
D. Kingdom
Answer: D
Q13.
Which category comes immediately above genus?
A. Species
B. Family
C. Order
D. Class
Answer: B
Q14.
All animals belonging to the same order must have:
A. Identical appearance
B. Same genus
C. Similar characteristics
D. Same species
Answer: C
Q15.
Which taxonomic category was introduced later than others?
A. Species
B. Genus
C. Family
D. Domain
Answer: D
Q16.
The term taxon refers to:
A. Only species
B. Any rank in classification
C. Only plants
D. Only animals
Answer: B
Q17.
Which statement is correct?
A. All genera contain the same number of species
B. All families have the same genera
C. Higher taxonomic categories include more organisms
D. Species is the highest category
Answer: C
Q18.
Which two categories are always written in binomial nomenclature?
A. Family and Genus
B. Genus and Species
C. Species and Order
D. Genus and Family
Answer: B
Q19.
Human beings belong to the genus:
A. sapiens
B. Homo
C. Hominidae
D. Primata
Answer: B
Q20.
Which of the following pairs is correctly matched?
A. Genus – Panthera
B. Species – Felidae
C. Family – Mammalia
D. Order – Animalia
Answer: A
EXAM FOCUS NOTES
✔ Species-based questions are most frequent
✔ Order of hierarchy = guaranteed MCQ
✔ Genus–species relationship = assertion / case-based favorite