UPSC Mains 2017 Botany Optional – Test 5 : Mains Marathon

ForumIAS announcing GS Foundation Program for UPSC CSE 2025-26 from 18th June. Click Here for more information.


Dear Friends,

Here is the 5th Mains Marathon Botany Optional Test.

We have decided to move section wise with the basic understanding of each topic of every paper.

In the mid-September we will do the complete paper every week so that you can get the feel to complete the paper before real exam (October 2017).

Hope you like the initiative.


Topics: 3

1) Angiosperm, II) Taxonomy, III) Angiospermic families, IV) Developmental biology, V) Anatomy

2) Plant resources (economics botany)

3) Morphogenesis: i) Cell, tissue, organ culture. II) Micro propagation etc.

Q.1. Briefly describe the following in not more than 150 words each:

(a) Gamma taxonomy

(b) Medicinal importance of Catheranthus

(c) Application of ethnobotany

(d) Double fertilization and triple fusion

(e) Distribution of cycads in India

Q.2 (a) Give an account of the following families floral structure. Give two names of important plant species belonging to each of the three families.

i) Solanaceae

ii) Liliaceae

iii) Poaceae

(b) What are bulliform cells?

(c)  Explain the different types of woods and mention their name.

Q.2 Describe the following:

(a) Types of ovules in angiosperm

(b) Micro propagation

(c) Define Mycorrhiza.

Q .3 (a) Give your justification on how “Seed a unit of recombination”?

(b) What are the functions of cambium.

Q.4. (a) What do you mean by anomalous secondary growth? Write on anomalous secondary growth of monocot stem.

(b) Give an account of the organization and development of shoot apex in different plant groups and the theories associated with them.

(c) Describe the Archaeological findings in ethnobotany.  .

(d) Describe methods employed for protoplast isolation and fusion. What are the significances of the protoplast utilization?

Q.5 Write explanatory note on the following:

(a) Explain the importance of  Gloriosa superba, Curculigo orchioides and Pongamia pinnata in ethnomedicinal practices.

(b) Explain the structural variations within the secondary phloem in dicots.

(c) Write about the Plant tissue culture media and explain the sterilization techniques of it.

(d) Give an account on concept, scope and objectives of ethnobotany.

Q.6. Discuss about the classification of drugs and explain the analytical methods of drugs.

Q.7. Give an account of International Code of Botanical Nomenclature.

Q.8. Discuss about the Embryological evidences in relation to Taxonomy.

Q.9. Explain the different methods used to overcome incompatability.

All Mains Marathon Optional Questions are updated in this page.


Print Friendly and PDF