Question

1. why is Rhizobium useful for farmers ?
2. why is leaf called the kitchen of the plants?
3. what is the role of digestive juices Produced by the pancreas? ​

Answer 1

Answer:

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Explanation:

1. Rhizobium is a bacterium found in soil that helps in fixing nitrogen in leguminous plants. It attaches to the roots of the leguminous plant and produces nodules. These nodules fix atmospheric nitrogen and convert it into ammonia that can be used by the plant for its growth and development.
2. A leaf is actually called 'the kitchen of the plant'. This is because they are the main organ responsible for photosynthesis, through which the plant produces its energy a.k.a. it's food. They obtain their green color due to the presence of chlorophyll.
3. The pancreas is a digestive gland in the body that helps in the breakdown of complex food substances into simpler food forms. It secretes pancreatic juice, which helps in the breakdown of carbohydrates into sugar, proteins into amino acids and fats into fatty acids.

Answer 2

1. Rhizobia are of enormous agriculturals and economic values because they provide the major source of nitrogen input in agriculturals. soils. these make rhizobia become valuable for both legumes and - legumes . effective rhizobial strains have been screened and usea as inculants for improving plant growth.

2. The contain a green pigment called chlorophyll. with the help.of this chlorophyll the plants prepare their food in the presence of water, sunlight and oxygen. Hence, chloroplasts are called the kitchen of a plant cells.

3. During digestion, your pancreas make pancreatic juices called enzymes. these enzymes break down sugars , fats , and starches. your pancreas also helps your digestive sustem by making hormones. these are chemical messengers that travel through your blood.