Why a cotton garment cannot keep us as warm in winter?
The soft, curly fibres obtained from the fleece of sheep, goat and yak etc., are known as wool.
Certain breeds of sheep have thick coat of hair on their body which yields good quality wool in large quantities. As these sheep are “selectively bred” with one parent being a sheep of good breed.
Keratin is the chief component of wool fibres
What is shearing? How it is done?
The under fur of Kashmiri goat is used to weave fine, soft shawls called Pashmina shawls.
A thick coat of hair helps in trappinga lot of air. As, air is a poor conductor of heat, it keep these animals warm.
Does shearing does hurt the sheep?
Caterpillars should not be collected with bare hands because skin of caterpillars may cause allergy.
The caterpillars eat their own shed skin during their growing stage and have no other food option. So they need to shed their skin when they grow bigger enter the next stage of its life history called pupa.
(b) Spinning is a process of making fibers
(c) Jute is the outer covering of coconut.
(d) The process of removing seed from cotton called ginning
(e) Weaving yarn makes a piece of fabric
(g) Polyester is a natural fiber
(d) The process of removing seed from cotton called ginning.(True)
(e) Weaving yarn makes a piece of fabric.(True)