Do you think 4 as a complex number ? If so why ?

What do you think is the colour of 'sour cream'? Why do you think the poet has used this expression to describe the classroom walls?

Which do you think are the most poetic lines? Why?

Do you think the control is voluntary ? Why /Why not ?

Figure is the distance - time graph of an object . Do you think it represents a real situation ? If so , why ? If not , why not?

If a person thinks he is infected with HIV, due to unprotected sex, and goes for a blood test. Do you think a test such as ELISA will help ? If so why ? If not , why ?

Do you think exit of stool is voluntary ? Why/ Why not ?

Why do you think forests are called lungs of the whole earth ?