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
Distinguish between ape and man.
The connecting link between ‘ape’ and ‘man’ is _______.
(A) Dryopithecus
(B) Australopithecus
(C) Homo erectus
(D) Homo neanderthalensis
Give two characteristic features of Ramapithecus.
Fill in the following blank with suitable word .
Most people have ............earlobes but some have ............earlobes.
Given below are two stages in the evolution of man. Study them and answer the questions that follow:
Name the organisum used as an example to explain ‘Industrial Melanism’.
Answer the following questions briefly:
What is Parthenocarpy? Give one example.
Write a note on Cro-magnon man.
Whose fossils were discovered at the site of Shivalik hills, India?
Distinguish between Homo erectus and Neanderthal man
Identify the CORRECT feature of Neanderthal man?
The cranial capacity of Homo erectus is ______.
The process of evolution of a species whereby characteristics that help individual organisms to survive and reproduce are passed on to their offspring and those characteristics which do not help is not passed on is called ______
The extinct human ancestor who ate only fruits and hunted with stone weapons was:
The proper burial of dead for the first time started with which prehistoric man?
Which is direct ancestor of Homo sapiens?
The primate which existed 15 miilion, years ago, among these was ______.
The least cranial capacity was that of ______.
Match the columns:
| Human Stage | Cranial Capacity | ||
| (1) | Homo sapiens | (a) | 650-800 cc |
| (2) | Homo neanderthal | (b) | 900 cc |
| (3) | Homo habilis | (c) | 1400 cc |
| (4) | Homo erectus | (d) | 1450 cc |
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;
