VIIC Science Topic taught (Summary) and Homework
Topic taught Science Nutrition in plants 20 April (Video), Discussion, Display fig 1.2 and explain the structure and function of stomata Video 2 (carbon dioxide is necessary for photosynthesis) Video 3 (sunlight is necessary for photosynthesis) Discuss, explain why carbon dioxide and sunlight are necessary for photosynthesis. The importance of destarching the plant used in the experiment. The importance of the starch test. The role of potassium hydroxide in Video 1. oxygen necessary for respiration will not be adequately available most plants may die out due to lack of food most heterotrophic organisms will also die if plants will not be available Homework - Why is potassium hydroxide used in the experiment? Why is the starch test conducted? Why was the plant kept in dark for 3 days? Why is alcohol used? Why is the leaf covered with black paper? Complete the Check your progress given on page no. 6 of the textbook.