NCERT Book Class 11 Biology The Living World Questions

VERY SHORT ANSWER TYPE QUESTIONS

1. Linnaeus is considered as Father of Taxonomy. Name two other botanists known for their contribution to the field of plant taxonomy?

2. What does ICZN stand for?

3. Couplet in taxonomic key means ________________ .

4. What is a Monograph?

5. Amoeba multiplies by mitotic cell division. Is this phenomena growth or reproduction? Explain.

6. Define metabolism.

7. Which is the largest botanical garden in the world? Name a few well known botanical gardens in India.

SHORT ANSWER TYPE QUESTIONS

1. A ball of snow when rolled over snow increases in mass, volume and size. Is this comparable to growth as seen in living organisms? Why?

2. In a given habitat we have 20 plant species and 20 animal species. Should we call this as ‘diversity’ or ‘biodiversity’? Justify your answer.

3. International Code of Botanical nomenclature (ICBN) has provided a code for classification of plants. Give hierarchy of units of classification botanists follow while classifying plants and mention different ‘Suffixes’ used for the units.

4. A plant species shows several morphological variations in response to altitudinal gradient. When grown under similar conditions of growth, the morphological variations disappear and all the variants have common morphology. What are these variants called?

5. How do you prepare your own herbarium sheets? What are the different tools you carry with you while collecting plants for the preparation of a  herbarium? What information should a preserved plant material on the herbarium sheet provide for taxonomical studies?

6. What is the difference between flora, fauna and vegetation? Eichornia crassipes is called as an exotic species while Rauvolfia serpentina is an endemic species in India. What do these terms exotic and endemic refer to?

7. A plant may have different names in different regions of the country or world. How do botanists solve this problem?

8. Brinjal and potato belong to the same genus Solanum, but to two different species. What defines them as seperate species?

9. Properties of cell organelles are not always found in the molecular constituents of cell organelles. Justify.

10. The number and kinds of organism is not constant. How do you explain this statement?

Please refer to attached file for NCERT Class 11 Biology The Living World