Class XI BIOLOGY (Theory) Syllabus and exam Specification

Class XI BIOLOGY (Theory)
One Paper Time: 3 Hours 70 Marks

Unit Marks

1. Diversity in living world 07

2. Structural organization in animals and plants 10

3. Cell: Structure and function 17

4. Plant physiology 18

5. Human Physiology 18

I Diversity in Living World (25 Periods)

Diversity of living organisms

Classification of the living organisms (five kingdom classification, major groups and principles of classification within each kingdom).

Systematics and binomial System of nomenclature

Salient features of animal (non chordates up to phylum level and chordates up to class level) and plant (major groups; Angiosperms up to subclass) classification.

Botanical gardens, herbaria, zoological parks and museums.

II Structural Organisation in Animals and Plants (30 Periods)

Tissues in animals and plants.

Morphology, anatomy and functions of different parts of flowering plants: Root, stem, leaf, inflorescence, flower, fruit and seed.

Morphology, anatomy and functions of different systems of an annelid (earthworm), an insect (cockroach) and an amphibian (frog).

III CELL: STRUCTURE AND FUNCTION (40 Periods)

Cell: cell wall, cell membrane and cell organelles’ (plastids, mitochondria, endoplasmic reticulum, Golgi bodies/dictyosomes, ribosomes, lysosomes, vacuoles, centrioles) and nuclear organization.

Mitosis, meiosis, cell cycle.

Basic chemical constituents of living bodies.

Structure and functions of carbohydrates, proteins, lipids and nucleic acids.

Enzymes: types, properties and function.

IV Plant Physiology (40 Periods)

Movement of water, food, nutrients and gases, Plants and Water Mineral nutrition, respiration, Photosynthesis, Plant growth and development.

V Human Physiology (45 Periods)

Digestion and absorption.

Breathing and respiration.

Body fluids and circulation.

Excretory products and elimination.

Locomotion and movement.

Control and coordination.

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