Given here are some figures.

Classify each of them on the basis of the following.
Simple curve

Given here are some figures. Classify each of them on the basis of the following. Simple closed curve

Given here are some figures. Classify each of them on the basis of the following. Convex polygon

Given here are some figures. Classify each of them on the basis of the following. Concave polygon.

How are polymers are classified into different categories on the basis of the intermolecular forces? Give one example of a polymer of each of these categories.

Write the number of significant figures in each of the following measurements 0.270cm.

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heigths were measured at the end of each week for 3 weeks. The results are shown by the following graph. Were two Plants of the same height during any week shown here? Specify.

Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed VL If the collision is elastic, which of the following figure is a possible result after collision?

How are glands classified on the basis of the mode of pouring out their secretions? Differentiate between them, with an example for each.

Oberve the histogram and answer the questions given below. If we divide the girls into the following three categories, how many would there be in each?

Answer the following questions : In which classes, the polymers are classified on the basis of molecular forces?