Discuss the factors responsible for ascent of xylem sap in plants.

State the factors responsible for environment pollution.

Answer the following Which hormone responsible for enlargement of cells in shoot in plants?

What is Genetic variations? Explain the different factors responsible for genetic variations.

The force responsible for raising water in 100 ft tall plant is ........

What do you mean by radius of gyration of a body? State its unit. Also discuss the factors on which radius of gyration depends.

Select and write the correct answer: Which of the following is responsible for conduction of organic food material in plants?

Statement (A) The meristem that occursin the mature regions of roots and shoots of many plants is called the secondary or lateral meristem. (B) Fascicular cambium, interfascicular cambium and cork-cambium are examples of lateral meristems. (C) These are responsible for producing the secondary tissues.

Define : Ascent of Sap.

Enlist the different factors that are responsible for changing gene frequency.