An orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid and mango tree?

Interaction between orchid and mango plant is an example of?

The orchid likeVanda and Dendrobium grows on branches of large trees and produces

How do you distinguish between solid , liquid and gaseous states ?

What do you mean by polarisation of light ? How will you distinguish between polarised and non polarised light ?

We find that Rhizobium forms nodules on the roots of leguminous plants. Also, Frankia another microbe forms nitrogen fixing nodules on the roots of non-leguminous plants Alnus. What kind of relationship of observed between mycorrhiza and pine trees?

You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one-such example, which usually grows in shallow water or in marsh lands. What part of the plant is modified into-a 'pitcher'? How does this modification’help.the plant for food even though it can, photosynthesize like any Other green plant?

Place two plane mirrors at an angle of 90^@ to each other. Place a small object between them. Images will be formed in both mirrors. How many images do you see? Now change the angle between the mirrors as given in the following table and count the number of images each time. How is this number related to the measure of the angle?

The frequency distribution table shows the number of mango trees in a grove and their yield of mangoes.Find the median of data.

Select and write the correct answer : orchid plant growing on mango tree is an example of