CBSE Class 11 Biology Practicals are very important as these are essential part of the Class 12 board examination. Students must learn and perform experiments to understand the concept properly and score good marks in their final exams. The syllabus of the CBSE practical examination for Biology Class 11 is prepared by subject experts according to the latest syllabus of the Central Board of Secondary Education. Students must focus on the CBSE Class 11 Biology practical exam as it carries 30 marks. They must aim to get full marks in this section so that they can improve their overall performance in the academics.
Students can also check out the theory Syllabus of CBSE Class 11 Biology to know the topics to be studied for the theory examination. It will help them to memorise the concepts and perform well in their final exams. To download the CBSE Syllabus for Class 11 Biology Practicals, click on the link below.
Download CBSE Class 11 Biology Practical Syllabus PDF 2023-24
CBSE Class 11 Biology Practical Evaluation Scheme
Below you will find the CBSE syllabus for Class 11 Biology practicals.
| Topics | Marks |
| One Major Experiment Part A (Experiment No- 1,3,7,8) | 5 |
| One Minor Experiment Part A (Experiment No- 6,9,10,11,12,13 | 4 |
| Slide Preparation Part A (Experiment No- 2,4,5) | 5 |
| Spotting Part B | 7 |
| Practical Record + Viva Voce | 4 |
| Project Record + Viva Voce | 5 |
| Total | 30 |
CBSE Class 11 Biology Practical Syllabus
Below you will find the CBSE Class 11 Biology practical syllabus for students.
CBSE Class 11 Biology Practical Syllabus |
| Exercise 1 |
| Exercise 2 |
| Exercise 3 |
| Exercise 4 |
| Exercise 5 |
| Exercise 6 |
| Exercise 7 & 8 |
| Exercise 9 & 10 |
| Exercise 11 & 12 |
| Exercise 13 |
| Exercise 14 |
| Exercise 15 to 20 |
| Exercise 21 to 24 |
| Exercise 25 to 27 |
| Exercise 28 to 30 |
| Exercise 31 to 34 |
CBSE Class 11 Biology Practicals: List of Experiments
Before appearing in the practical examination, students must read all the theories and topics covered in the textbook. Also, they should practise the diagrams which are required for practical experiments. The Biology Practical CBSE Class 11 experiments are given here to help students score better in the annual exam.
CBSE Class 11 Biology Experiments |
| A: List of Experiments |
| 1. Study and describe locally available common flowering plants, from family Solanaceae (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), type of root (tap and adventitious); type of stem (herbaceous and woody); leaf (arrangement, shape, venation, simple and compound). |
| 2. Preparation and study of T.S. of dicot and monocot roots and stems (primary). |
| 3. Study of osmosis by potato osmometer. |
| 4. Study of plasmolysis in epidermal peels (e.g. Rhoeo/lily leaves or flashy scale leaves of onion bulb). |
| 5. . Study of distribution of stomata on the upper and lower surfaces of leaves. |
| 6. Comparative study of the rates of transpiration in the upper and lower surfaces of leaves. |
| 7. Test for the presence of sugar, starch, proteins and fats in suitable plant and animal materials. |
| 8. Separation of plant pigments through paper chromatography. |
| 9. Study of the rate of respiration in flower buds/leaf tissue and germinating seeds. |
| 10. Test for presence of urea in urine. |
| 11. Test for presence of sugar in urine. |
| 12. Test for presence of albumin in urine. |
| 13. Test for presence of bile salts in urine. |
| B. Study and Observe 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, honey bee, snail, starfish, shark, rohu, frog, lizard, pigeon and rabbit. |
| 4. Mitosis in onion root tip cells and animals cells (grasshopper) from permanent slides. |
| 5. Different types of inflorescence (cymose and racemose). |
| 6. Human skeleton and different types of joints with the help of virtual images/models only |
CBSE Biology Lab Manual Class 11
Check out the detailed information on the experiments mentioned in the CBSE Class 11 Biology practical syllabus below.
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