Question

Q5. Short answer type questions (Any Five)
4. What is thermosetting plastic?
5. What are the major groups of micro organism?
6. What is irrigation?
7. Explain why some fibers are called synthetic.​

Answer 1

Answer:

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Answer 2

Answer:

1. A thermosetting polymer, resin, or plastic, often called a thermoset, is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin.
2. Microbial diversity is truly staggering, yet all these microbes can be grouped into five major types: Viruses, Bacteria, Archaea, Fungi, and Protists.
3. Irrigation is the process of applying controlled amounts of water to plants at needed intervals.
4. Some fibres are called as synthetic fibers because these are manmade fibers prepared by using chemicals. These are made of small units that join together to form long chains. Some of the examples of synthetic fibres are nylon, rayon, acrylic, polyester etc.

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