Observe different actions performed by your classmate for a period of 45 minutes. Out of these actions which are contolled by voluntary and involuntary pathways?

Observe different actions performed by your classmate for a period of 45 minutes. Out of those actions which are controlled by voluntary and involuntary pathways.

Which part of the brain controls the involuntary action of respiration ?

Read and fill the blanks in flow chart and answer the following question? In which parts we observed involuntary actions/ movements?

List out the activities that you performed at your home and which joints were involved in each activity?

Make a list of the major weeds in your area. Find out the weeds which are grown in different crops in your area.

Make a list of the major weeds in your area (you have already conducted the project). Find out the weeds which are grown in different crops?

Observe a lawn in your area (If you have one) and see how it is maintained. Find out from the gardener the different types of plants that he removes from time to time. Do you think a farmer does the same thing on his farm ?

FeCl_(3) on reaction with K_(4)[Fe(CN)_(6)] in aqueous solution gives a blue colour . These two solutions are separated by a semipermeable membrane as shown in the figure . Both the solutions are sufficiently dilute & osmosis will take place as there is a difference in concentration of the solutions. Imagine the experiment is carried out at 27^(@)C . The osmotic flow will take place in onedirection and not in both . Which of the following observations may be recorded after a while ?

How are involuntary actions and reflex actions different from each other?

Let us observe different stages of development of vertebrate embrys. Try to find out similarities and differences and discuss with your friends.