Advertisements
Advertisements
प्रश्न
How do you express the meaning of words like race, breed, cultivars or variety?
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.
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with suitable word :
A human gamete contains.............. chromosomes whereas a normal body cell has .......... chromosomes in it.
Fill in the following blank with suitable word :
The scientific name of all human beings is ..............
Answer the following questions briefly:
Mention any two objectives of ‘Swachh Bharat Abhiyan’.
Identify the pre-human ancestor.
Name the six ancestral forms in their correct sequence through which modern man has evolved.
Where was the first fossil of Australopithecus discovered?
A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation.
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:
Name the following :
Scientific name of Ape man
