Advertisements
Advertisements
प्रश्न
How do you express the meaning of words like race, breed, cultivars or variety?
Advertisements
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
Mention any three characteristics of Neanderthal man that lived in near east and central Asia.
What is an organic evolution?
Write the names of the following:
A 2 mya primate that lived in East African grasslands
Given below are two stages in the evolution of man. Study them and answer the questions that follow:
- Identify Australopithecus and Neanderthal man from the above pictures.
- Mention two characteristic features each for the two stages.
- Who proposed the theory of ‘Natural Selection’?
- Name the organism used as an example to explain ‘Industrial Melanism’.
- Give two examples of vestigial organs in humans.
Differentiate between Apes and Man with respect to the following characteristic: Brow ridges.
Answer the following question.
Write two differences between Homo erectus and Homo habilis.
Distinguish between Homo erectus and Neanderthal man
Complete the table based on the special features of Human ancestors showing their cultural and social development.
| Ancestors | Special features |
| Homo erectus | |
| Buried their dead | |
| Made tools from stones |
Identify the fossil man whose remains were discovered in the Shivalik hills in India?
Match the following.
| Column I | Column II | ||
| i. | Homo habilis | p. | 900 cc |
| ii. | Australopithecus | q. | 1350 cc |
| iii. | Homo erectus | r. | 650 - 800 cc |
| iv. | Homo sapiens | s. | 450-600 cc |
Select the correct option.
Which amongst the following is the earliest fossil?
Identify the character which is most relatable to Neanderthal man?
The largest cranial capacity was found in ______.
The extinct human ancestor who ate only fruits and hunted with stone weapons was:
Enlist the characteristics of Neanderthal Man.
Arrange and rewrite the terms in group in correct order to be in a logical sequence, beginning with the term that is underlined:
Australopithecus, Cro-Magnon, Homo erectus, Neanderthal man.
From which epoch is human evolution traced back to originate?
What was the functional significance of the lengthening of hind limbs and shortening of forelimbs?
Which location is cited as an example of prehistoric cave art from approximately 18,000 years ago?
How are the evolutionary stages of human development traced by paleontologists?
