WORKSHEET 4 FIBRE TO FABRIC Q1. How will you identify silk, artificial silk and wool fibres on the basis of burning? Q2.Name the following: a.most common silk moth b.occupational hazard of wool industry c.soft ,lustrous and elastic silk d.place where Vicuna animal is found e.four animals that yield wool f.four varities of silk g.sheep of this country are known to yield best wool h.largest producer of wool in the world i.maximum length of continuous silk thread from cocoon j. scientific name of mulberry k. process of taking out threads from cocoon l.process of twisting together many reeled threads of silk m.largest producer of silk in the world. n.small fluffy fibres in wool o.four Indian breeds of sheep and the quality of wool they produce p.two wool yielding animals of South America q. animal that produces pashmina wool r. animal that produces angora wool s. wool yielding animal found in tibet and ladakh Q3. Give reasons; 1.woollen clothes keeps us war...
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WORKSHEET 3 ANIMAL NUTRITION Q1.What is rumination?Give two examples of ruminants. Q2.What is Cud? Q3.Explain the process of digestion in ruminants. Q4.Draw a neat labelled diagram of digestive system of ruminants. Q5.Name the part of digestive system of ruminants where cellulose is completely digested. Q6.Why don`t cows chew the grass completely in buccal cavity while grazing? Q7.Why can`t humans digest cellulose? Q8.Where does Amoeba live?What does it eat as food? Q9. Describe nutrition in Amoeba with the help of neat labelled diagram. Q10.Which will have a longer intestines,a herbivore or a carnivore?Why?