Andhra Pradesh Board Syllabus Botany Class – XI

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Board Of Intermediate Education, A.P. Nampally (Hyderabad)
Syllabus – Botany

Grand Total : 135

UNIT - 1:

Botany - Introduction:                        Periods: 06

1.1 Origin, development and scope of Botany                           02

1.2 Classification of Plant kingdom (outlines only)                    01

1.3 Parts of a typical angiospermic plant                                    01

1.4 Branches of Botany: Morphology, Cytology, Embryology, Palynology, Taxonomy, Physiology, Ecology, Palaeobotany, Genetics, Phytogeography, Phycology, Mycology, Lichenology, Bryology, Pteridology, Microbiology, Bacteriology, Virology.                                02

UNIT – 2:

External Morphology:                        Periods: 32

A. Vegetative Morphology:

2.1 Root: Root System - types, modifications of root (storage roots, velaman roots, photosynthetic roots, respiratory roots, parasitic roots, nodular roots)                                        03

2.2 Stem: Charcterstics and Functions of the stem Modifications of the stems (Aerial - Tendrils, Thorns, Hooks, Phylloclade, Tuberous stems, Bulbils: Sub Aerial - Runners, Stolons, Suckers, Offsets: Underground - Rhizome, Corm, Stem Tuber, Bulb)                               06

2.3 Leaf: Parts and Functions (Types and Modifications of leaf base, stipule, petiole are excluded) Venation Types of leaves (simple and compound) Phyllotaxy (alternate, opposite, Whorled) Modifications of leaves (tendrils, spines, scale leaves, Phyllode, reproductive leaves, trap leaves (details of Nepenthes only)             07

B. Reproductive Morphology:             

2.4 Inflorescence - Types (racemose, cymose, special)           08

2.5 Flower - Parts, Sex Distribution, Symmetry, Position of Gynoecium, detailed description of flower (perianth, calyx, corolla, aestivation, androecium - parts, fixation, dehiscence of anther, lengths of stamens, union of stamens), gynoecium - number of carpels, fusion of carpels (excluding variations under syncarpous), ovary - number of locules, placentation, types of styles, stigma.              08

UNIT – 3

Reproduction in Angiosperms:              Periods: 20

3.1 Introduction                                                                               01

3.2 Microsporogenesis and development of male gametophyte       02

3.3 Ovule - structure, types, megasporogenesis, development of embryo sac         04

3.4 Pollination - Types, Contrivances of cross and self pollination. Agents of Pollination (definition with one example only)                         05

3.5 Fertilization

     Post Fertilization changes including seed structure (dicot, Monocot) and types of germination (epigeal, hypogeal & vivipary - definitions with one example)                                        04

3.6 Fruits: - Classification; false fruits, true fruits - simple (fleshy fruits - berry, pome, pepo, hesperidium, drupe: Dry fruits - dehiscent -legume, septicidal capsule, septifragal capsule, loculicidal capsule: Indehiscent - caryopsis,
cypsela, nut: schizocarpic - lomentum, schizocarp), Aggregate and multiple fruits                  04

UNIT – 4

Plant Taxonomy:                 Periods: 17

4.1 Introduction - alpha and omega taxonomy , aspects of taxonomy, flora, herbaria, botanical gardens (RBG - KEW , IBG - Kolkatta, NBG - Lucknow), binomial nomenclature, ICBN, Types of classification, Units of classification, brief account of Bentham and Hookers classification Detailed study of the following families including economic importance       07

4.2 Malvaceae                03

4.3 Fabaceae                  03

4.4 Solanaceae               02

4.5 Liliaceae                   02

UNIT – 5

Cell Biology:                  Periods: 23

5.1 Introduction, Techniques of Cell Biology - microscopy (light, electron, fluorescence, phase contrast, SEM, TEM - only uses), separation techniques (centrifugation, electrophoresis – only uses)                                  02

5.2 Ultra structure of plant cell (eukaryote cell – cell wall, protoplasm, plasma membrane, cytoplasm, plastids, mitocondria, ER, ribosomes, golgi complex, lysosomes, peroxisomes, glyoxysomes vacuoles, nucleus              09

5.3 Chromosomes - introduction, structure (light microscpic and nucleosome model)                 03

5.4 Nucleic Acids                                                 04

5.5 Cell Cycle and Mitosis; Meiosis.                      05

 

UNIT-6

Internal Organisation of Plants:                  Periods: 19

6.1 Tissues - Types (meristematic and permanent ) and Functions            08

6.2 Internal Structure of Dicot Root (Primary) and Monocot root              02

6.3 Internal Structure of Dicot Stem (Primary) and Monocot stem             04

6.4 Internal Structure of leaf (Dicot and Monocot)                                      02

6.5 Secondary Growth in Dicot Stem                                                           03

 

UNIT - 7

Plant Ecology:                 Periods: 06

7.1 Introduction                               01

7.2 Plant communities - Hydrophytes, Mesophytes, Xerophytes, Ecological Adaptations (Morphological and Anatomical) of Hydrophytes and xerophytes            05

 

UNIT - 8

Genetics:                Periods: 12

8.1 Introduction                                          01

8.2 Mendel's Principles - Monohybrid, Dihybrid cross, Concept of probability in relation to Mendel's laws                09

8.3 Linkage and crossing over (only concept and significance)                                   01

8.4 Mutations - gene and chromosomal (only definitions of terms: - spontaneous, induced, chromosomal structural and chromosomal numerical changes)                       01