Differentiate between:

$(a)$ Integument and testa;

$(b)$ Perisperm and pericarp.

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$(a)$

Integument  Testa 
It is the outermost covering of an ovule. It provides protection to it.  It is the outermost covering of a seed. 

$(b)$

Perisperm  Pericarp 
It is the residual nucellus which persists. It is present in some seeds such as beet and black pepper.  It is the ripened wall of a fruit, which develops from the wall of an ovary.  

Similar Questions

Which one of the following statements is not true?

If the diploid number of an angiospermic plant is $24$, the number of chromosomes in the pollen grain, endosperm and integument will be

The plant parts which consist of two generations one within the other

$(a)$ Pollen grains inside the anther

$(b)$ Gemninated pollen grain with two male gametes

$(c)$ Seed inside the fruit

$(d)$ Embryo sac inside the ovule

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Definations / Explanation :

$1.$ Nutritive layer

$2.$ Funicle

If stem has $2 n=10$ number of chromosomes than find out

$A$ - number of chromosomes in endosperm

$B$ - number of chromosomes in egg cell

$C$ - number of chromosomes in polar nuclei