Class 11 Biology - Chapter The Living World NCERT Solutions | Try to collect all the currently accepte
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.
In biological terms, species is the basic unit of taxonomy. It can be defined as a group of similar organisms capable of interbreeding freely among themselves under natural conditions to produce fertile off springs.
Therefore, a group of similar individuals that are reproductively isolated from other group of individuals form a species.
Species can also be defined as group of individuals that share the same gene pool.
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:- What do we learn from identification of individuals and populations?
- 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?
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:-
List the hormones secreted by the following:
(a) Hypothalamus
(b) Pituitary
(c) Thyroid
(d) Parathyroid
(e) Adrenal
(f) Pancreas
(g) Testis
(h) Ovary
(i) Thymus
(j) Atrium
(k) Kidney
(l) G-I Tract - Q:- Name the stage of cell cycle at which one of the following events occur:
(i) Chromosomes are moved to spindle equator
(ii) Centromere splits and chromatids separate
(iii) Pairing between homologous chromosomes takes place
(iv) Crossing over between homologous chromosomes takes place - Q:- How is the mycorrhizal association helpful in absorption of water and minerals in plants?
- Q:- Find examples where the four daughter cells from meiosis are equal in size and where they are found unequal in size.
- Q:- Plants are autotrophic. Can you think of some plants that are partially heterotrophic?
- Q:- Differentiate between the following:
(a) Diffusion and Osmosis
(b) Transpiration and Evaporation
(c) Osmotic Pressure and Osmotic Potential
(d) Imbibition and Diffusion
(e) Apoplast and Symplast pathways of movement of water in plants.
(f) Guttation and Transpiration. - Q:- What are the factors affecting the rate of diffusion?
- Q:- Why is mitosis called equational division?
- Q:- State the location and function of different types of meristem.
- Q:- What are the characteristic features of Euglenoids?
10 Comment(s) on this Question
Thanks it helps me a lot
This is not full answer ... but sufficient
Bhai Wah
Thankyou it help me a lot
What about the higher animals and plants and bacteria
Thanks
Good answer .... But what about the second part?
ððððððððð
Thanks it helps me a lot
Nice answer it help me a lot thanks
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