CBSE Syllabus for Class 11 Biology Academic Year 2020-2021
Biology is one of the most important subjects and it is also very important while preparing for various competitive exams and therefore it is essential to prepare it from the very beginning.
Biology and also enhance awareness about environmental issues, problems and their appropriate solutions.
Along with the complete course structure, the syllabus also provides information about the distribution of marks for each topic and subtopics and time duration for each topic. CBSE syllabus for Class 11 Biology for the academic year 2020-2021 also includes practical syllabus, assignments and projects information.
CBSE Board Class 11 Biology latest syllabus for students to download for the academic year 2020-2021
Unit-wise CBSE Syllabus for Class 11 Biology with Marking Scheme 2020-21
|I||Diversity of Living Organisms||15|
|II||Structural Organisation in Plants and Animals||08|
|III||Cell: Structure and Function||15|
Find also the deleted portion of the Biology syllabus 2020-21 from the link below:
CBSE Class 11 Biology Practical Syllabus with Marks Weightage
|One Major Experiment Part A (Experiment No- 1,3)||5|
|One Minor Experiment Part A (Experiment No- 4,5, 6)||4|
|Slide Preparation Part A (Experiment No- 2)||5|
|Spotting Part B||7|
|Practical Record + Viva Voce||Credit to the students’ work over the academic session may be given||4|
|Project Record + Viva Voce||5|
CBSE Class 11 Biology Practicals
A: List of Experiments
1. Study and describe a locally available common flowering plant, from any one family: Solanaceae or Liliaceae (Poaceae, Asteraceae or Brassicaceae can be substituted in case of particular geographical location) including dissection and display of floral whorls, anther and ovary to show number of chambers (floral formulae and floral diagrams).
2. Study of distribution of stomata in the upper and lower surfaces of leaves.
3. Separation of plant pigments through paper chromatography.
4. Study of the rate of respiration in flower buds/leaf tissue and germinating seeds.
5. Test for presence of sugar in urine.
6. Test for presence of albumin in urine.
B. Study/Observer of the following (spotting)
1. Parts of a compound microscope.
2. Specimens/slides/models and identification with reasons – Bacteria, Oscillatoria, Spirogyra, Rhizopus, mushroom, yeast, liverwort, moss, fern, pine, one monocotyledonous plant, one dicotyledonous plant and one lichen.
3. Virtual specimens/slides/models and identifying features of – Amoeba, Hydra, liverfluke, Ascaris, leech, earthworm, prawn, silkworm, honeybee, snail, starfish, shark, rohu, frog, lizard, pigeon and rabbit.
4. Tissues and diversity in shape and size of animal cells (squamous epithelium, smooth, skeletal and cardiac muscle fibers and mammalian blood smear) through temporary/permanent slides.
5. Mitosis in onion root tip cells and animal cells (grasshopper) from permanent slides.