What is evapotranspiration? Evapotranspiration (ET) is an important component of the water cycle and is composed of two-subprocesses: evaporation from soil and vegetation surfaces and transpiration that consists of the exchange of moisture between the plant and atmosphere through plant stomata. The term evapotranspiration was first defined by Thornthwaite in 1944 MCQ Quiz 1. WhIch of the Following are the agents involved in the evapotranspiration? a. Leaves of plants b. Soil c. Ocean d. Both […]

What is Transpiration?   The loss of water from aerial parts of plants in the form of vapor is known as transpiration. The ideal condition for the evaporatuon of water from internal leaf surface is provided by loose arrangement of the living thin walled mesophyll cells resulting in an abundance of inter cellular space. Part of the epidermal surface of the leaf is made up of a great number of microscopic pores called stomata. Water […]

Importance of topic ‘photosynthesis’ from the point of view of exam – Photosynthesis is a very important topic in any agri- exam. at least two to three questions may be expected from this topic. Questions may be asked on varius parts of the topic such as c4 plants, CAM plants, wavelenght of light, structures of chloroplasts, Light reaction, Dark reaction etc. This topic cannot be ignored while preparing for exam. Photosynthesis Photosynthesis is a vital […]