Which of the following is a free-living nitrogen fixing

What is it called when the root exudate of one plant affects another?

The Structural and functional unit of chromosome is termed as

Glucose is a type of

Which experiment demonstrated that food is translocated through the phloem?

Which among the following is Photoblastic Seed?

Which plant has stomata only on the upper surface of its leaves?

An albuminous seed showing hypogeal germination is :

Cell is the basic building block of life . Cell theory was put forward by?

Which hypothesis explains solute movement based on a pressure gradient between source and sink?

When plant cells are placed in hypertonic solution, they become____