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प्रश्न
How do you express the meaning of words like race, breed, cultivars or variety?
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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.
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संबंधित प्रश्न
The connecting link between ‘ape’ and ‘man’ is _______.
(A) Dryopithecus
(B) Australopithecus
(C) Homo erectus
(D) Homo neanderthalensis
Write the probable differences in eating habits of Homo habilis and Homo erectus.
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 alongside are two figures (A and B) representing the two stages of evolution of human beings.
Answer the following :
Write all the stages of human evolution in their correct sequence.
Write two differences between Homo erectus and Homo habilis
Name the ancestor of human nicknamed as Handyman
The first fossils of Dtyopithecu were found in ______.
All are features of Homo habilis, EXCEPT ______
Select the correct chronological order of human evolution.
Homo erectus probably existed during ____________.
Where was the first fossil of Australopithecus discovered?
In question 44, what are the combinations of character in the F2 progeny? What are their ratios?
The proper burial of dead for the first time started with which prehistoric man?
Which of the following is an example for link species?
Who among the Dryopithecus and Ramapithecus was more man-like?
By what Latin name the first hominid was known?
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?
Name the following:
Connecting link between ape and man
Who was called handy man?
