The Living World - Online Test
Q1. Sometimes different authors give different names to one and the same species. In such a situation
Answer : Option B
Explaination / Solution:
In MangiferaindicaLinn, the word ‘Linn’ indicates that this species was first described by Linnaeus. Hence, the correct option is The name under which the species was first described is valid name.
Q2. Hierarchical classification refers to
Answer : Option C
Explaination / Solution:
Classification is not a single step process but involves hierarchy of steps in which each step represents a rank or category. Hence, the correct option is To rank one above the other.
Q3. Which of the following statement is correct with respect to nomenclature?
Answer : Option D
Explaination / Solution:
All of the these are the universal rules of binomial nomenclature. Hence, the correct option is All of the above.
Q4. In a scientific name, the name of the author is printed in
Answer : Option B
Explaination / Solution:
Name of the author appears after the specific epithet, i.e., at the end of the biological name and is written in an abbreviated form, e.g., MangiferaindicaLinn. It indicates that this species was first described by Linnaeus. Hence, the correct option is Abbreviated.
Q5. Which are the terms interchangeable?
Answer : Option A
Explaination / Solution:
Thecharacterisation, identification, classification and nomenclature are the processes that are basic to taxonomy as well as systematics. Hence, the correct option is Taxonomy and systematics.
Q6. Which is not the universal rule of nomenclature?
Answer : Option D
Explaination / Solution:
According to the universal rule of nomenclature, the biological names are generally in Latin and written in italics. Hence, the correct option is Biological names are generally in Greek.
Q7. The number of species that are known and described is
Answer : Option A
Explaination / Solution:
Each different kind of plant, animal or organism represents a species. The number of species known and described ranges between 1.7-1.8 million. This refers to biodiversity or the number and types of organisms present on earth. Hence, the correct option is 1.7 – 1.8 million.
Q8. The Darwin of 20th century is
Answer : Option B
Explaination / Solution:
Born on 5 July 1904, in Kempten, Germany, ERNST MAYR, the Harvard University evolutionary biologist who has been called ‘The Darwin of the 20th century’, was one of the 100 greatest scientists of all time.
Q9. A virus differ from a bacterium as it contains
Answer : Option B
Explaination / Solution:
Virus differs from bacteria in terms of having DNA or RNA as genetic material with no ribosomes. Virus can replicate inside the host cell but become inactive outside the host cell.
Q10. Wildlife is destroyed most when
Answer : Option C
Explaination / Solution:
Wildlife is destroyed most when natural habitat is destroyed. The organisms survive and reproduce only in the natural habitat. Loss of habitat of wild animals is the main reason behind the extinction of organisms,
