biology : class11 Scientific Communication : Importance of Classification, Basis of Classification, Advantages of Classification : Need for Classification MCQ Questions and Answers
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Scientific Communication
MCQ questions and answers.
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MCQ Questions
1. Why is scientific naming useful in biology?
A.
It gives organisms different names in every region
B.
It helps scientists communicate about organisms clearly
C.
It makes organisms larger
D.
It changes the habitat of organisms
Correct Answer:
It helps scientists communicate about organisms clearly
Explanation:
Scientific names provide a common way for scientists from different places to identify and discuss the same organism.
2. What problem does scientific nomenclature mainly solve?
A.
Confusion caused by different common names
B.
Lack of food for organisms
C.
Changes in weather
D.
Movement of organisms
Correct Answer:
Confusion caused by different common names
Explanation:
Common names may vary between languages and regions, whereas scientific names support clear scientific communication.
3. Which naming system gives an organism two scientific names?
A.
Uninomial nomenclature
B.
Binomial nomenclature
C.
Local nomenclature
D.
Numerical nomenclature
Correct Answer:
Binomial nomenclature
Explanation:
Binomial nomenclature uses two words to name an organism, making communication about organisms more precise.
4. In a scientific name, the first word usually represents the organism's:
A.
Species
B.
Genus
C.
Habitat
D.
Common name
Correct Answer:
Genus
Explanation:
The first word in a binomial scientific name is the genus name, which helps scientists identify the organism systematically.
5. What is the main advantage of using one accepted scientific name for an organism?
A.
It allows the organism to have many unrelated identities
B.
It makes communication more uniform
C.
It prevents the organism from reproducing
D.
It describes only the organism's colour
Correct Answer:
It makes communication more uniform
Explanation:
An accepted scientific name is understood by scientists worldwide, making biological communication consistent.
6. Why are common names sometimes unsuitable for scientific communication?
A.
They are always written in Latin
B.
They can differ from one language or region to another
C.
They contain two words in every case
D.
They are used only for microscopic organisms
Correct Answer:
They can differ from one language or region to another
Explanation:
Different regions may use different common names for the same organism, which can lead to misunderstanding.
7. Which language is traditionally used for scientific names in biology?
A.
Latin
B.
Hindi
C.
French
D.
Chinese
Correct Answer:
Latin
Explanation:
Scientific names are traditionally written in Latin or Latinised form, providing a standard language for international communication.
8. The scientific name Homo sapiens refers to:
A.
A specific type of plant
B.
Modern humans
C.
A type of bacterium
D.
A group of fungi
Correct Answer:
Modern humans
Explanation:
Homo sapiens is the scientific name of modern humans and is understood internationally.
9. How does classification help students and scientists communicate about organisms?
A.
By arranging organisms and giving them standard names
B.
By removing all differences between organisms
C.
By using only local names
D.
By avoiding the identification of organisms
Correct Answer:
By arranging organisms and giving them standard names
Explanation:
Classification organizes organisms and uses standard names, making information easier to share and understand.
10. Which feature of a scientific name helps avoid confusion between languages?
A.
Its universal use among scientists
B.
Its connection with a local festival
C.
Its change in every country
D.
Its description of an organism's colour only
Correct Answer:
Its universal use among scientists
Explanation:
Scientific names are used internationally, so scientists can communicate about the same organism regardless of their spoken language.
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