V) Distinguish between: Milk teeth and permanent teeth
I) Fill in the blanks
1. Wool is obtained from the ______________ of the sheep or yak.
2. __________ is the name of the breed of sheep from which we get Kashmiri shawls.
3. By the process of _____________ we get off springs with special characters.
4. Washing of sheared skin is known as ______________
5. In __________ the hairs of different textures are separated.
6. Silk fibre is made up of a __________
7. The silk fibre is obtained from the covering of pupa known as ______________
8. The larva of silk worm are called______________
9. Inside cocoon, the pupa develops into ______________
Answers
ANSWER 1 = As humans, we have two sets of teeth that erupt during our lifetime – the first set is called as milk teeth, primary teeth or baby teeth and they start erupting when we are 6 months old and the next set of teeth, called permanent teeth, begin erupting as we turn 6 years old.
FILL IN THE BLANKS:-
1). fleece
2). changthangi, ladakh or pashmina goat.
3). Selective breeding
4). Scouring
5). sorting
6). protein fiber
7). cocoon
8). Bombyx mori
9). chrysalis
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Answer:
As humans we have two teeth sets that erupt during of lifetime-the first set called milk teeth,primary teeth or baby teeth and they start erupting when we are 6 months old and next set of teeth called permanent teeth begin erupting as we turn 6 years old
Fill ups
(1 )fleece,(2) changthngi,ladakh or pashmina goat, (3) selecting breeding +4) scouring (5) sorting (6) protein fibre (7) cocoon (8) Bombyx mori (9) chrysalis