Who introduced the binomial nomenclature system? MCQ with Answer and Explanation

Who introduced the binomial nomenclature system?
A. Charles Darwin
B. Carolus Linnaeus
C. Gregor Mendel
D. Robert Hooke
Answer: Option B
Solution (By JKExamLibrary)
Carolus Linnaeus, a Swedish botanist, introduced the binomial nomenclature system in his book 'Species Plantarum' (1753). This system assigns a two-part scientific name—genus and species—to every organism. For example, Homo sapiens. Darwin proposed natural selection, Hooke discovered cells, and Mendel laid the foundation of genetics. Linnaeus is also known as the father of taxonomy. Binomial names are universally accepted and italicized in print.

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Practice More Biology Questions

Question #1
The type of cell division that occurs during growth and repair is:
A. Mitosis
B. Binary fission
C. Meiosis
D. Fragmentation

Correct Answer: Option A


Explanation:
Mitosis is the equational division that produces genetically identical daughter cells, used for growth, development, and tissue repair. Meiosis produces gametes, binary fission is prokaryotic, fragmentation is asexual reproduction.

This question belongs to: Science Biology
Question #2
Which vitamin is also known as ascorbic acid?
A. Vitamin D
B. Vitamin C
C. Vitamin B₁
D. Vitamin A

Correct Answer: Option B


Explanation:
Vitamin C, chemically ascorbic acid, is a water-soluble vitamin essential for collagen synthesis, wound healing, iron absorption, and antioxidant function. Its deficiency causes scurvy (bleeding gums, weakness). Vitamin A is retinol, B₁ is thiamine, D is calciferol. Vitamin C is abundant in citrus fruits, guava, amla. It is heat-labile and easily destroyed by cooking.

This question belongs to: Science Biology
Question #3
The term 'phylum' in animal taxonomy is equivalent to which category in plant taxonomy?
A. Class
B. Order
C. Division
D. Genus

Correct Answer: Option C


Explanation:
In botanical classification, the term 'Division' corresponds to 'Phylum' in zoological classification. For example, flowering plants are in the Division Magnoliophyta (or Angiosperms), while animals are in Phyla like Chordata. The hierarchy is Kingdom → Division/Phylum → Class → Order → Family → Genus → Species. This terminological difference is a key point in taxonomy.

This question belongs to: Science Biology