The answer is Disaccharide
All of the above-mentioned facts are the risks that pests pose to the consumers. Pests are unwanted insects, which may infect food, as they are laden with pathogenic micro-organisms, they eat away the stored food, as a source of nourishment, and are difficult to manage. Pesticides are used to kill the, and they are chemicals, which may also pose serious threats, if consumed in large quantities.
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Answer:
Option (A).
Explanation:
Photosynthesis may be defined as the process in which the light energy has been converted to the chemical energy so that plants can obtain their food with the help of sunlight, carbon dioxide and water.
Photosynthesis is divided into light reaction and dark reaction. The light reaction of photosynthesis is linked together by the mechanism which is similar to the electron transport chain of mitochondria.
Thus, the correct answer is option (A).
- they release nitrogen in the air
- they make nitrogen chemicals which plants can use
- bacteria help to release chemicals from dead plants and animals
