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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
Try to trace the various components of human evolution (hint: brain size and function, skeletal structure, dietary preference, etc.)
Identify the pre-human ancestor.
The range of cranial capacities in the following ancestral forms were
Homo sapiens sapiens ______.
The first remarkable human fossil was that of ______.
Whose fossils were discovered at the site of Shivalik hills, India?
Describe modern man.
Amongst the following which is a character of Australopithecus?
Identify the CORRECT match.
______ had cranial capacity almost equal to modern man.
Homo erectus probably existed during ____________.
The largest cranial capacity was found in ______.
Bacteria have a simpler body plan when compared with human beings. Does it mean that human beings are more evolved than bacteria? Provide a suitable explanation.
Homo sapiens have evolved in:
Character which is closely related to human evolution is:
We are told that evolution is a continuing phenomenon for all living things. Are humans also evolving? Justify your answer.
Enlist the characteristics of Neanderthal Man.
The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with, short stature, heavy eyebrows, retreating fore heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was ______.
The primate which existed 15 miilion, years ago, among these was ______.
Given below are some stages of human evolution. Arrange them in the correct sequence.
(Past to recent)
- Hоmo habilis
- Homo sapiens
- Ноmо neanderthalensis
- Homo erectus
Choose the correct sequence of human evolution from the options given below;
