Advertisements
Advertisements
Question
How do you express the meaning of words like race, breed, cultivars or variety?
Advertisements
Solution
- 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
RELATED QUESTIONS
Why are human beings who look so different from each other in terms of size, colour and looks said to belong to the same species?
Write the names of the following:
A 2 mya primate that lived in East African grasslands
Fill in the following blank with suitable word .
Most people have ............earlobes but some have ............earlobes.
The range of cranial capacities in the following ancestral forms were
Australopithecus ______.
Evolution is an ever ______ process.
Name the six ancestral forms in their correct sequence through which modern man has evolved.
Given alongside are two figures (A and B) representing the two stages of evolution of human beings.
Answer the following:
- Mention any two contrasting characters between the two stages.
- Write all the stages of human evolution in their correct sequence.
- State any two characteristic features of stage B.
Name the common ancestor of apes and man.
Name the scientists who have contributed to the following:
Discovered the fossil of Cro-Magnon man.
What is the law of dominance of traits? Explain with an example.
What is the scientific name of the modern man?
Name the ancestor of human nicknamed as Handyman
Distinguish between Homo erectus and Neanderthal man
Select the mismatched pair.
The long, prehensile tail of an arboreal animal is an adaptation for ______
A cross between a tall pea-plant (TT) and a short pea-plant (tt) resulted in progenies that were all tall plants because ______
Does geographical isolation of individuals of a species lead to formation of a new species? Provide a suitable explanation.
Among Ramapithecus, Australopithecines and Homo habilis - who probably did not eat meat?
Name the following :
Name of advanced pre-historic man
Which of the following human ancestral stages came just before the modern man?
