Collect different kinds of leaves from your surroundings and observe the shapes of the epidermal cells under microscope.Make a table, which contains serial number,name of the leaf,shape of the leaf,shape of the epidermal cells. Do not forget to write specific findings below the table.

Do you find any difference in the shape of epidermal cells ?

Read the chapter carefully, collect the information about the functions of different organelles and make a table which contains serial number, cell organelle, function. Don't forget write your specific findings below the table.

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.

Prepare a table information containing different kinds of teeth , number , their shape and function.

Observe the information provided in the table about quantum numbers. Then answer the question given below it. Write the 'l' value and symbol of the spherical shaped sub-shell.

Think of your own family, what similarities do you share with your father and mother? Draw a table to represent the similarities of some characters like colour of eye (cornea), colour of hair, shape of nose, shape of face, type of earlobe (attached or free) inner thumb markings, etc. Write your characters in one column and that of your parents in the other columns. (Q) where do you think your mother got tat charcter from ?

Think of your own family, what similarities do you share with your father and mother? Draw a table to represent the similarities of some characters like colour of eye (cornea), colour of hair, shape of nose, shape of face, type of earlobe (attached or free) inner thumb markings, etc. Write your characters in one column and that of your parents in the other columns. (Q) How do you think these characters may have been inherited by you from grandma

Take a glass jar and fill with soil. Show a bean seed near the wall of the jar. After 4 - 5 days you will notice seed germination. Keep the jar under the sun. Observe how root and shoot grows. Then tilt the glass jar and keep the plant horizontally. Observe the direction of the root and shoot growth for more than a week iii) Do you find any differences in the shape of epidermal cells?

In onion peel cells you have seen that nearly all cells are similar in structure and shape. If you repeat this experiment with peels of onions of different size, what do you think your observations would be ? Do bigger onion have big cells ?