Page 1 : The following pattern of practical examination is being proposed from academic year 2020—21 for following reasons., 1. The experiments related to dissections need to be avoided., 2. A similar pattern is followed by CBSE is their examination., , Scheme of practical examination for XI std, , , , , , , , , , , , , , , , , , , , , , Time: 3 hrs Marks:30, St. No. Experiment Marks:, Qi Major experiment 04, Q2 experiment 03, Q3 Minor experiment 03,, a4 Spotting 10, as Project 05, a6 Viva voce 02, a7 Certified complete Journal 03,, Total Total 30, , , , , , , , , , , , , , ‘While conducting the experiments and examination please insure the following:Maintain physical distance., , Avoid practicals where use of microscope is necessary (as microscopes are shared by many students)., , While conducting biochemical experiments pipetting by mouth is to be strictly avoided., , Spotting can be conducted by use of material visible to naked eyes and by display of figures, charts, photographs, etc., All other guidelines given by government from time to time., , Please note :1. Only following experiments are to be conducted for XI std (academic year 2020 ~ 21), 2. Practical examination to be conducted as internal evaluation at the institutional level for year-end Practical exam. Feb/Mar 2020-21., , A.List of major experiments to be performed for Q. 1, , 1. Study of plant family Solanaceae (pollen grain mounting and section of ovary not expected)., , 1. To study the effect of amylase (preferably fungal diastase) enzyme on starch under different conditions of temperature (room, hot, cold), 2. To study the effect of amylase enzyme on starch under different conditions of pH (acidic and basic), , C.List of minor experiments to be performed for Q.3, , 1. To test urine sample for abnormal constituent ~sugar., , 2. To test urine sample for abnormal constituent ~ albumin, , 3, To test urine sample for abnormal constituent - bile salts., , 4, To test urine sample for normal constituent - urea, , ‘D.List of spottings for Q.4 (A to), , A. Study of plant tissue from coloured photograph/diagram of T. S. of roots of sunflower and maize., , B, Study of modifications of root stem and leaf (specimens, photographs, diagrams)., , C, Study and identification of inflorescence (specimens, photographs, diagrams)., , D. Study of specimens and identifications with reasons from plant classification (specimens, photographs, diagrams)., , E, Demonstration of aerobic respiration using Ganong’s respirometer or To demonstrate aerobic respiration, , F. Study of animal tissues by display of photograph/diagram only- cartilage , mammalian bone, blood smear, striated muscle, non striated muscle and cardiac muscle)., G.study of external morphology and digestive system of cockroach with the help of photograph / diagrams., , H. Study of human skeleton ~ appendicular (specimens, photographs, diagrams)., , |. Study of specimens and identifications with reasons from animal classification(specimens, photographs, diagrams)..., , J, Study of histology of digestive organs of mammals namely. T. S of pancreas, small intestine and liver (photographs/ diagrams only), E.Project for 0.5, , A suitable project to be allotted by teacher and submission in form of written report (4 to 6 pages) is expected., , E. Viva voce for .6, , Based on major and minor experiments., , F.Journal for Q7, , Complete and duly signed by teacher with institute's stamp.