No. of Printed Pages: 8 . [LSE-07
BACHELOR OF SCIENCE (B.Sc.)
Examination
June, 2016

LIFE SCIENCE
03187
LSE-07 TAXONOMY.AND EVOLUTIQN
Time hours Maximum Marks: 50
Note: Question no. 1 is compulsory. Attempt any four questions from question£! no. .2 to 6. Attempt five -questions in all.

1. Complete the following statements by choosing one alternative from words given within the parentheses. 3xl=3

(Evolutionary/Cladistic) classification is exclusively based on phylogenetic characteristics.

There is a (National Park/Wildlife Sanctuary) at Kaziranga, Jorhat, Assam).

In ancient Indian scientific literature on plants (Cruciferae/Cucurbitaceae) was called Swastikaganiyam.

Choose the correct answer

The leaf venation pattern of 150 species of genus Euphorbia was surveyed by

Lalitha Sehgal

M.M. Bhandari

C.R. Babu

V.K Maheshwari

Fill in the blanks 3x1=3

The international trust of zoological nomenclature is housed in the .

Sivapithecus was discovered in the of northern India.

Biosystematics places emphasis on and cytological data for comparison of characters of different species.

Write the name of the following: 3x1=3

Two proteins that have proved useful for taxonomic studies .

The plant molecules which are called semantides

The scientist who could read the story of life written in fossils

2. What were the three great ideas that emerged and influenced the progress in animal taxonomy? 3

How will you preserve the following? 2

Fleshy fruits

Insects

Give any five basic principles of binomial nomenclature. 5

3. List the various types of literature available for taxonomic research and discuss any one in detail. .

List any four embryological characters used in taxonomy. Cite the example of Paeonia to show the value of embryology in solving taxonomic problems.

4. What are the five observable facts of nature that made Darwin to deduce the theory of evolution? Give inferences that were drawn from these facts.

What are the sources of variability in a natural population 4

5. Describe the formation of species by allopatric speciation. How is allopatric speciation different from peripatric speciation? 5

State the trends in human evolution which clearly distinguish them from apes. 5

6. Write a note on anyone of the following: 5

Immunotaxonomy

Omnispective classification

Differentiate between any two of the following pairs of terms: 2x2

Coadaptation and Coevolution

Biological evolution and Evolution of culture

Binary-coding and Multi-state-coding