Prepare a temporary mount of any leaf peel, observe the stomata and draw their picture. Write a short note on the same.

Observe your surroundings carefully and write any three situations of your daily life where you can observe lines and angles. Draw the pictures in your note book and collect some pictures.

Collect a leaf. Take peels from both sides of the leaf and observe stomata size, shape and number under microscope with the help of your class teacher and write your findings.

Choose the corrct answer and write its ietter in the brackets Observe the picture. If iodine is used on the leaf……..?

Draw the diagram of the bean shaped parts of a leaf. (Stomata) write about it .

Refer to the Activity 3 in the chapter. Start with distilled water. The LED would not glow. Add two drops of some acid to distilled water and check the glow of LED. Add two more drops and check the intensity of the glow. Repeat the activity 5 to 6 times by adding 2 drops of the same acid each time. Do you see any difference in the intensity of glow with increasing acid content of water? What can be inferred from the above observations? Repeat the entire activity by taking a solution of baking soda and adding drops of it to distilled water instead of acid. Write differences and similarities. (AS_(3),AS_(1))

Write a short note on pyramid of number for any food chain. What can we conclude from this pyramid of numbers? (i) tree (ii) insect (iii) woodpecker

Write a short note on pyramid of number for any food chain? What can we conclude from this pyramid of numbers? (i) tree (ii) insect (iii) woodpecker

Write a short note on pyramid of numbers for any food chain. What did you conclude from the pyramid of numbers drawn using : tree

Write a short note on pyramid of numbers for any food chain. What did you conclude from the pyramid of numbers drawn using : insects

Write a short note on pyramid of numbers for any food chain. What did you conclude from the pyramid of numbers drawn using : woodpecker