Name the five types of tropisms. How are tropic movements helpful to plants? Explain with an example.

Name any two types of tropism.

What is a tropic movement? Explain with an example.

(a) What is meant by 'tropisms' (or tropic movements)? Explain with an example. (b) What are the different types of tropisms? Define each type of tropism. Write the name of stimulus in each case. (c) How do tropisms differ from nasties (or nastic movements)?

What are complementary genes?Explain with the help of an example.

Name five types of connective tissue proper.