Observe the permanent slides of human body cells in your school. Collect the data in a tabular form.

Observe the permanent slide of nerve cell or neuron under microscope and try to find out its parts. Compare with the following diagram.

Suppose you accidentally find an old preserved permanent slide without a label and in your effort to identify it, you place the slide under microscope and observe the following features : a) unicellular body . b) well defined nucleus c) biflagellate condition - one flagellum lying longitudinally and the other transversely. What would you identify it as ? Can you name the kingdom it belongs to ?

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.

You have performed the activity of Seed Germination in a glass jar in your school lab. You might have observed the growth of shoot and root. What information did you record regarding the shoot growth after a week if the glass jar is tilted and plant kept horixontally.

Get some floating slime from a puddle, pick a very small amount of slime and put it on a slide. Separate out one fiber and look at it through the microscope. Draw the diagram of what you oberved.

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or dicot stem? Give reasons.

Take some paddy grains and soak them in water for one day. Take them into watch glass and sow them in soil. After that observe the radicle and plumule with the help of hand lens and draw the picture of it.

Organize a field visit to a pond / lake / river present in or near to your village with the help of your teachers. ( AS 4) Observations followed by discussion could focus on... The history of the pond or lake or river, Water resources available other than that river/ pond/ or lake, Cultural traditions, Pollution concerns, Source of pollution, Effects of pollution on the people living by the river side as well as those living far away

Collect water samples from a pond, well, bore well.Keep then separately. Put a drop of water on a slide. Keep a cover-slip, on it. Observe. under the microscope. Draw what you have observed. Describe the shapes of the microorganisms!