E. Application/Skill-based Questions
1. (a) Which process is shown in the
given picture?
(b) Which bacteria is responsible of
this process?
(c) Name the plants to which this
process is applied.
2. The given picture shows the roots
of a legume plant.
Answer the following questions:
(a) What is found in these nodules?
(b) What is the role of nodules in
the nature?
Answers
Answer:
it shows the legume plant
Explanation:
a. The proces shown is retting of jute(sun hemp) plants.The retting is process in which tied bundle of jute stalk are taken to tank by which the fibre get lossened and get separated from the woody stalk.
b. anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. These bacteria primarily decompose the plant pectin,so fibre come out easily.
c. The plant is jute plant scientific name is
Corchorus olitorius.
a. The nitrogen fixing bacteria named rhibozium is present in root nodule.
b.The nodules are mainly found in the leguminous plant whose function is to fix the atmospheric nitrogen and form the nitrogenous compound which helps in plant growth and when plant dies make these nitrogen available in soil thus helping in nitrogen enrichment of sooi.