Name the plant which is an example of self-cleaning

Name the plant organs which are:

From the following options, select the plant which is not an example for C_4 plant.

Which one of the following is an example of a clean fuel ?

B. thuringiensis forms protein crystals during a particular phase of their growth. The toxin is coded by a gene named cry. There are a number of them. Which is not an example of such plants ?

Name the plants which kills mosquito larvae

Which of the following is an example of dedifferentiation in plants?

Which of the following is an example of simple permanent tissue in plants ?

Name a plant which is commonly called a "walking fern".