How do you express the meaning of words like race, breed, cultivars or variety ?
How do you express the meaning of words like race, breed, cultivars or variety ?
Race is a group of people who share similar and distinct physical characteristics. e.g Mongoloid, Caucasoid, Nerroid races of man.
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. e.g Jersey, Sindhi, Holstein breeds of cow.
A cultivar is a plant or grouping of plants selected for desirable characteristics that can be maintained by propagation. e.g Pusa Gaurav of mustard.
A taxonomic category that ranks below species, its members differing from others of the same species in minor but heritable characteristics is called variety. e.g cauliflower and cabbage.
Similar Questions
$A$ : During evolution pouched mammals of Australia survived.
$R$ : Due to lack of competition from any other mammal due to continental drift
$A$ : During evolution pouched mammals of Australia survived.
$R$ : Due to lack of competition from any other mammal due to continental drift
Evolution is
Evolution is
The three natural processes that form the basis for evolution are
The three natural processes that form the basis for evolution are
Match List $- I$ with List $- II.$
List $- I$
List $- II$
$(a)$ Adaptive radiation
$(i)$ Selection of resistant varieties due to excessive use of herbicides and pesticides
$(b)$ Convergent evolution
$(ii)$ Bones of forelimbs in Man and Whale
$(c)$ Divergent evolution
$(iii)$ Wings of Butterfly and Bird
$(d)$ Evolution by anthropogenic action
$(iv)$ Darwin Finches
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$
Match List $- I$ with List $- II.$
| List $- I$ | List $- II$ |
| $(a)$ Adaptive radiation | $(i)$ Selection of resistant varieties due to excessive use of herbicides and pesticides |
| $(b)$ Convergent evolution | $(ii)$ Bones of forelimbs in Man and Whale |
| $(c)$ Divergent evolution | $(iii)$ Wings of Butterfly and Bird |
| $(d)$ Evolution by anthropogenic action | $(iv)$ Darwin Finches |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$
- [NEET 2021]
Give difference Amongest Lamarckism, Darwinism and Mutation Theory.
Give difference Amongest Lamarckism, Darwinism and Mutation Theory.