Class 11 Biology - Chapter The Living World NCERT Solutions | What do we learn from identification of
What do we learn from identification of individuals and populations?
The knowledge of characteristics of an individual or its entire population helps in the identification of similarities and dissimilarities among the individuals of same kind or between different types of organisms. It helps the scientists to classify organisms in various categories depending upon these similarities and dissimilarities.
More Questions From Class 11 Biology - Chapter The Living World
- Q:- Why are living organisms classified?
- Q:-
Define a taxon. Give some examples of taxa at different hierarchical levels.
- Q:- How is a key helpful in the identification and classification of an organism?
- Q:- Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.
- Q:- Define and understand the following terms:
(i) Phylum
(ii) Class
(iii) Family
(iv) Order
(v) Genus - Q:- Can you identify the correct sequence of taxonomical categories?
(a) Species → Order → Phylum → Kingdom
(b) Genus → Species → Order → Kingdom
(c) Species → Genus → Order → Phylum - Q:- Why are the classification systems changing every now and then?
- Q:- Given below is the scientific name of Mango. Identify the correctly written name. Mangifera Indica Mangifera indica
- Q:- What different criteria would you choose to classify people that you meet often?
- Q:- Try to collect all the currently accepted meanings for the word species. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand and bacteria on the other hand.
Popular Questions of Class 11 Biology
- Q:- Discuss how classification systems have undergone several changes over a period of time?
- Q:- What is the basis of classification of algae?
- Q:- What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
- Q:- What is meant by modification of root? What type of modification of root is found in the (a) Banyan tree (b) Turnip (c) Mangrove trees
- Q:- State the location and function of different types of meristem.
- Q:- Answer in one word or one line. (i) Give the common name of Periplaneta americana. (ii) How many spermathecae are found in earthworm? (iii) What is the position of ovaries in the cockroach? (iv) How many segments are present in the abdomen of cockroach? (v) Where do you find malphigian tubules?
- Q:-
Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell. - Q:- What are macromolecules? Give examples.
- Q:- What is the average cell cycle span for a mammalian cell?
- Q:- What are the factors affecting the rate of diffusion?
Recently Viewed Questions of Class 11 Biology
- Q:- By looking at a plant externally can you tell whether a plant is C3 or C4? Why and how?
- Q:-
Briefly mention the mechanism of action of FSH.
- Q:- What are macromolecules? Give examples.
- Q:-
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
- Q:- Diagrammatically indicate the location of the various endocrine glands in our body.
- Q:- What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?
- Q:- State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria
- Q:- Can there be DNA replication without cell division?
- Q:- Define the following:
(a) Exocrine gland
(b) Endocrine gland
(c) Hormone - Q:- Describe briefly:
(a) Arithmetic growth
(b) Geometric growth
(c) Sigmoid growth curve
(d) Absolute and relative growth rates
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