1. Pull out a gram or bean plant from the field. Observe its roots. You will find round structures called root nodules on the roots. Draw a diagram of the root and show the root nodules.
Answer: The above activity can be carried out as follows:
Aim: To observe the roots of soyabean plant from the field, draw a diagram of the root and make the necessary conclusions.
Materials Required: Soyabean plant.
Procedure:
(i) Pull out a gram or bean plant from the field and observe its roots.
(ii) Draw a diagram of the root and show the root nodules.
Observations: You will observe round structures on the roots of the soyabean plant called root nodules.
Conclusions: Rhizobium is present inside the root nodules and convert atmospheric nitrogen into ammonia which can be used by the plant.
“Pull out a gram or bean plant from the field. Observe its roots. You will find round structures called root nodules on the roots. Draw a diagram of the root and show the root nodules.” – Solved.
Related Links:
Solution to Extended Learning Problem 2
Solution to Extended Learning Problem 3
Solution to Extended Learning Problem 4
Solution to Activity 2.1
Solution to Activity 2.2
Solution to Activity 2.3
Solution to Activity 2.4
Solutions to Chapter 2 Microorganisms: Friend and Foe
