मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

How do you express the meaning of words like race, breed, cultivars or variety? - Biology

Advertisements
Advertisements

प्रश्न

How do you express the meaning of words like race, breed, cultivars or variety?

टीपा लिहा
Advertisements

उत्तर

  • Race is a group of people who share similar and distinct physical characteristics.
  • A group of animals related by descent and similar in most characters like general appearance, features, size, configuration, etc., are said to belong to a breed.
  • A cultivar is a plant or grouping of plants selected for desirable characteristics that can be maintained by propagation.
  • A taxonomic category that ranks below species, its members differing from others of the same species in minor but heritable characteristics is called variety.
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Evolution - SHORT ANSWER [पृष्ठ ५०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology [English] Class 12
पाठ 7 Evolution
SHORT ANSWER | Q 9. | पृष्ठ ५०

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)


Given below are two stages in the evolution of man. Study them and answer the questions that follow:

 Mention two characteristic features each for two stages.


 Given below are two stages in the evolution of man. Study them and answer the questions that follow:

Name the organisum used as an example to explain ‘Industrial Melanism’.


The range of cranial capacities in the following ancestral forms were

Cro-magnon ______.


Given alongside are two figures (A and B) representing the two stages of evolution of human beings.
Answer the following:

State any two characteristic features of stage B.


Differentiate between Apes and Man with respect to the following characteristic: Brow ridges.


Answer the following question.
Write two differences between Homo erectus and Homo habilis.


Answer the following question.
Write the characteristics of Ramapithecus, Dryopithecus, and Neanderthal man.


Multiple choice question.

Identify the WRONG statement regarding evolution.


Humans are most closely related to ______.


All are features of Homo habilis, EXCEPT ______


Which amongst the following is the earliest fossil?


All are features of Homo erectus, EXCEPT


Identify the heavily built, short prehistoric man having cranial capacity of about 1400 cc who is known to bury the dead.


Which of the following fossil in the evolution of man has maximum cranial capacity?


Which of the following isotopes is most dangerous Homo sapiens?


Write short note on Neanderthal man.


What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?


Who was called handy man?


Which one of the following pair is mismatched regarding their appearance in human evolution?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×