What observable features in Trypanosoma would make you classify it under kingdom Protista?

Suppose you accidentally find an old preserved permanent slide without a lable. In you effort to identify it, you place the slide under microscope and observe the following features: Unicellular Well defined nucleus Biflagellate one flagellum lying longlitudinally and the other transversely. What would you identify it as? Can you name the kingdom it belongs to?

What different criteria would you choose to classify people that you meet often?

What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

What are the various public health measures, which you would suggest as safeguard against infectious disease?

Paragraph based questions : Read the following paragraph and answer, the questions based on it. The presence or absence of organs is the first, criterion for classification of plants. The presence or absence of separate conducting tissues for conduction of water and food is the next consideration for classification. Do the plants bear seeds? If they do then, whether the seeds are enclosed in a fruit or not is also an important criterion for classification. Finally, plants are grouped depending upon the number of cotyledons in the seeds. In 1883, Eichler, a botanist, classified the Kingdom Plantae into two sub-kingdoms. As a result, two sub-kingdoms, cryptogams and phanerogams were considered for plant classification. Who classified the plants? In what groups did he classify the plant kingdom?

What will you observe when calcium is treated with water?

What will you observe if Instead of rotating only one of the polaroid , you rotate both polaroids simultaneously in the same direction ?

In an experiment with a rectangular glass slab, a student observed that a ray of light incident at an angle of 55^(@) with the normal on one face of the slab, after refraction struck the opposite face of the slab before emerging out into air making an angle of 40^(@) with the normal. What value would you assign to the angle of refraction?

What will you observe when zinc granules are added to ferrous sulphate solution? Write the chemical reaction involved.

Previously you have performed the activity of observing a branch covered in a plastic bag. What did you observe in that activity?