FIBRE TO FABRIC L4

A: Bast fibres are collenchymatous fibres. R: Fibres are absent in secondary phloem.

(A]: Cotton is a filling fibre only. [R]: Cotton is a bast fibre

If l_(n)=int_(0)^((pi)/(4)) tan^(n) xdx show that (1)/(l_(2)+l_(4)),(1)/(l_(3)+l_(5)),(1)/(l_(4)+l_(6)),(1)/(l_(5)+l_(7)),"...." from an AP. Find its common difference.

In a muscle fibre :

In a fabric, cotton and synthetic fibres are in the ratio of 2: 3. what is the percentage of cotton fibre in the fabric?

An azo dye is fixed on fabrics by the process applicable in

Differentiate between Collagen fibres and elastin fibres

in comparison to red muscle fibre, white muscle fibres

Sensory nerve fibre and Motor nerve fibre