UNIT 2- BIOLOGY EXPLORING LIFE & THE CHEMICAL BASIS OF LIFE ASSESSMENT TEST
Class notes Science ,English Proceedings of the Estonian Academy of Sciences, Biology and Ecology, ISBN: 9789888407453
Test Bank for Concepts of Biology 2nd Edition
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BIOLOGY
(Code No. 044)
Syllabus for Purpose of Examination 2021-22
CLASS – XI and XII (2021-22)
The present curriculum provides the students with updated concepts along with an extended
exposure to contemporary areas of the subject. The curriculum also aims at emphasizing the
underlying principles that are common to animals, plants and microorganisms as well as
highlighting the relationship of Biology with other areas of knowledge. The format of the
curriculum allows a simple, clear, sequential flow of concepts. It relates the study of biology to
real life through the use of technology. It links the discoveries and innovations in biology to
everyday life such as environment, industry, health and agriculture. The updated curriculum
focuses on understanding and application of scientific principles, while ensuring that ample
opportunities and scope for learning and appreciating basic concepts continue to be available
within its framework. The curriculum is expected to:
promote understanding of basic principles of Biology
encourage learning of emerging knowledge and its relevance to individual and society
promote rational/scientific attitude towards issues related to population, environment and
development
enhance awareness about environmental issues, problems and their appropriate solutions
create awareness amongst the learners about diversity in the living organisms and
developing respect for other living beings
appreciate that the most complex biological phenomena are built on essentially simple
processes
It is expected that the students would get an exposure to various branches of Biology in the
curriculum in a more contextual and systematic manner as they study its various units.
BIOLOGY (Code No. 044)
COURSE STRUCTURE
CLASS XI (2021 -22)
EVALUATION SCHEME
Theory
Units Term – I Marks
I Diversity of Living Organisms: Chapter - 1, 2, 3 and 4 15
II Structural Organization in Plants and Animals: Chapter – 5 and 7 08
III Cell: Structure and Function: Chapter – 8 and 9 12
Units Term - II Marks
III Cell: Structure and Function: Chapter - 10 05
IV Plant Physiology: Chapter - 13,14 and 15 12
V Human Physiology: Chapter –17, 18, 19, 20, 21 and 22 18
Total Theory (Term – I and Term – II) 70
Page 1 of 11
, Practicals Term – I 15
Practicals Term – II 15
Total 100
THEORY
Term – I
Unit-I Diversity of Living Organisms
Chapter-1: The Living World
What is living? Biodiversity; Need for classification; three domains of life; concept of species
and taxonomical hierarchy; binomial nomenclature.
Chapter-2: Biological Classification
Five kingdom classification; Salient features and classification of Monera, Protista and Fungi
into major groups; Lichens, Viruses and Viroids.
Chapter-3: Plant Kingdom
Salient features and classification of plants into major groups - Algae, Bryophyta, Pteridophyta
and Gymnospermae. (salient and distinguishing features and a few examples of each category).
Chapter-4: Animal Kingdom
Salient features and classification of animals, non-chordates up to phyla level and chordates up
to class level (salient features and distinguishing features of a few examples of each category).
(No live animals or specimen should be displayed.)
Unit-II Structural Organization in Animals and Plants
Chapter-5: Morphology of Flowering Plants
Morphology of inflorescence and flower, Description of 01 family: Solanaceae or Liliaceae (to
be dealt along with the relevant experiments of the Practical Syllabus).
Chapter-7: Structural Organization in Animals
Animal tissues.
Unit-III Cell: Structure and Function
Chapter-8: Cell-The Unit of Life
Cell theory and cell as the basic unit of life, structure of prokaryotic and eukaryotic cells; Plant
cell and animal cell; cell envelope; cell membrane, cell wall; cell organelles - structure and
function; endomembrane system, endoplasmic reticulum, golgi bodies, lysosomes, vacuoles,
mitochondria, ribosomes, plastids, microbodies; cytoskeleton, cilia, flagella, centrioles
(ultrastructure and function); nucleus.
Chapter-9: Biomolecules
Chemical constituents of living cells: biomolecules, structure and function of proteins,
Page 2 of 11
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