IFS Botany Papers 2002

IFS Botany 2002

Paper-I

Section A

  1. Answer any four of the following (Your answers should not exceed 150 words for each of the sub-sections): (10 × 4 = 40)

    1. Write short notes on:

      1. virusoids

      2. Chemical composition of Bacterial cell wall

      3. Fungal cell wall

      4. Cell wall less bacteria

    2. Answer the following:

      1. What is a zoospore? Mention its function.

      2. Define parasite.

      3. Write a note on Heterothallism in Fungi.

      4. Write a note on Heterotrichous thallus in Algae.

    3. Explain the following:

      1. Paddy blast

      2. Red rot of sugarcane

      3. Sandal spike

      4. Bacterial blight of paddy

    4. Describe the following:

      1. Structure of Funaria capsule

      2. Tetrasporophyte

      3. Gemma cups

      4. Types of Protosteles

    5. Write short notes on:

      1. Types of sexual reproduction in Fungi

      2. Palmella stage

      3. Telome theory

      4. Tracheids

  2. Answer the following questions

    1. Discuss the role of Algae in human welfare.

    2. Give an account of Protoplast culture (20 × 2 = 40).

  3. Answer the following questions

    1. Give an account of sporocarp in Marsilea and add a note on leaf modification into sporocarp.

    2. Discuss about heterospory and seed habit citing suitable examples (20 × 2 = 40).

  4. Describe the following: (20 × 4 = 40)

    1. Paraphyses

    2. Trabeculae

    3. Totipotency

    4. Somatic hybrids

Section B

  1. Answer any four of the following (Your answers should not exceed 150 words for each of the subsections): (10 × 4 = 40)

    1. Distinguish the following:

      1. Compare diagnostic features of Orchidaceae and Liliaceae.

      2. Compare Floral structures in Ranunculaceae and Magnoliaceae.

      3. Compare pollination in Fabaceae and Poacea along with their flower structures.

      4. Compare Floral formulae of Musa paradisiacal. And Oryza sativa

    2. Describe the following:

      1. Pollen grain in Pinus

      2. Structure of ovule in Gnetum

      3. Ovule in Cordaitales

      4. Leaf anatomy in Cycas

    3. Describe the following:

      1. Apospory

      2. Caruncle

      3. X-bodies

      4. NPC system

    4. Write short notes on the following:

      1. Classification of angiosperms by Cronquist

      2. Canada balsam

      3. Tapetum

      4. What is Botanic Garden? Name some National Botonic Gardens.

    5. Briefly describe the following:

      1. Importance of Palynology in Taxonomy

      2. Criteria of Phylogenetic classification

      3. Taxol

      4. Triple fusion

  2. Answer the following: (10 × 4 = 40)

    1. Discuss in detail the microsporogenesis.

    2. Give the phylogenetic consideration of Gneturn.

    3. Give the Floral structure in Poaceae.

    4. Describe the role of Anatomy in

  3. Answer the following: (20 × 4 = 40)

    1. Discuss Takhtajan's principles in evaluating the relative degree of advancement of flowering plants.

    2. Define Type Specimen and add a not on the importance of Herbarium.

    3. Mention the plants as sources with reference to paper, drugs and resins.

    4. Write a note on Cleavage polyembryony.

  4. Answer the following questions

    1. Mention he botanical name, family and plant part used of the following: (10 × 2 = 20)

      1. Maize

      2. Tea

      3. Turmeric

      4. Marigold

      5. Asafoetida

      6. Cocoa

      7. Ergot

      8. Caraway

      9. Sugar palm

      10. Barley

    2. Discuss in detail about Ethnobotany (20).

Paper-II

Section A

  1. Write short notes on any four of the following in about 150 words each:

    1. Evolution (10)

    2. Gametophytic apomixis (10)

    3. Mass selection (10)

    4. Hybridisation (10)

    5. Correlation and regression (10)

  2. Answer the following questions

    1. What is micropropagation? Describe the generalised technique of micropropagation (30).

    2. Discuss the advantages of micropropagation (10).

  3. Answer the following questions

    1. Describe the structure and functious of mitochondria (30).

    2. How the mitochondrial function is controlled (10)?

  4. Describe in detail the synthesis of nucleic acids and proteins (40).

Section B

  1. Write short notes on any four of the following in about 150 words each:

    1. Growth regulators (10)

    2. Photoperiodism (10)

    3. Controlled storage of seeds (10)

    4. Seed germination (10)

    5. Social forestry (10).

  2. Answer the following questions

    1. What do you understand by ecosystem (30)?

    2. How would you maintain an ecosystem (30)?

  3. Answer the following questions

    1. What is mineral deficiency (10)?

    2. What are the deficiency symptoms of the following minerals: (30)

      1. Nitrogen

      2. Zinc

      3. Calcium

      4. Iron

  4. Answer the following questions

    1. Discuss the mechanism of nitrogen fixation by the leguminous plants. How the nitrogen fixation is measured (30)?

    2. List the various Rhizobium species and their host legumes (10).