Exam Details

Subject botany
Paper paper 1
Exam / Course indian forest service
Department
Organization union public service commission
Position
Exam Date 2007
City, State central government,


Question Paper

IFS Botany Papers 2007
IFS Botany 2007
Paper-I
Section A

Answer any four of the following (Answer should not exceed 150 words in each case): × 10 40)

Differentiate between the following:

Somatic embryogenesis and caulogenesis.

Disease prevention and disease cure.

Write short notes on the following:

Concept of tot potency in plants.

Vegetative reproduction in bryophytes.

Answer the following:

In what way does a fungal cell differ from an algal cell?

What are the major differences between Gram positive and Gram negative bacteria?

Write briefly about the following:

Origin and evolution of sex in algae.

Columella in bryophytes.

Distinguish between the following:

Cleistothecium and Apothecium

Gymnospcrms and Pteridophytes.

Answer the following questions

Name several species of pathogenic oganisms that may be present in polluted water.

Comment upon the importance of Heterospory × 20 40).

Protoplast-to-plant regeneration has been achieved in almost all the important plants. Describe the method of isolation, culture and regeneration of plants from protoplasts isolated from any model plant species

Answer the following questions

Comment upon the process of progressive sterilisation of sporogenous tissue in bryophytes.

Describe the process of Ascus development in Ascomycetes × 20 40).

Section B

Answer any four of the following (Answers should be within 150 words in each case) × 10 40)

Describe the following:

Characteristic features of reproductive organs of Benncttitales.

Botanical gardens are more than mere gardens. Substantiate the statement.

Distinguish between the following:

Monosporic and bisporic embryo sac

Androecium of Malvaceae and Asteraceae.

Write notes on the following:

Progvmnosperms

Double fertilisation.

Describe the following:

Vavilov's centres of origin

Ethnobotany.

Write what you know about the following:

Magnoliaceae

Herbarium.

Drew only the labeled diagrams of the following: × 10 40)

L S of an embryo sac.

T S of Dracuena stem

V S Cycas ovule

Floral diagram of Asclepiadaceae.

Write short notes on the following × 10 40)

Intraxylary Phloem

Androeciurn of Euphorbiaceae

Gynoecium of Solanaceae

Botanical names of any five cereal plants.

Give an account of the following: × 20 40)

Development of a dicot embryo.

Differences between cycadales and coniferales.


Subjects

  • agricultural engineering
  • agriculture
  • animal husbandary and veterinary science
  • botany
  • chemical engineering
  • chemistry
  • civil engineering
  • english
  • forestry
  • general knowledge
  • geology
  • mathematics
  • mechanical engineering
  • physics
  • statistics
  • zoology