Welcome to the NCERT Solutions for Class 12 Biology - Chapter Evolution. This page offers a step-by-step solution to the specific question from Exercise 0, Question 9: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.
How do you express the meaning of words like race, breed, cultivars or variety?
Race: It is a permanent breed within the species and this is considered equivalent or subordinate to the subspecies. The races different in height, pigmentation, shape of hands, hair, eyes, nose etc. They freely interbreed as they have geographical or physiological barrier for it; in this members from different races can interbreed.
Breed: It is specific group of domesticated animals. They are homogenous in appearance (uniform structure and shape) and also homogenous in behaviour and have different distinguishable characters which make them unique from other members of the species.
Cultivar: This is the basic classification category of the cultivated plants. Cultivar is also known as cultivated variety which is an assemblage of the plants selected for desirable characteristics by the process of selective breeding (is an artificial selection used to develop new organisms with desirable characteristics).
Variety: Members of the variety do not breed with members of other subspecies or variety but they can fertile offspring under the natural conditions. It is a breeding group of species having specific features which make them separate and unique from other members of the species.
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Read MoreWelcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 9: How do you express the meaning of words like race, breed, cultivars or variety?....
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