Question

where are the following structures parts located and what are their functions.a) placenta.b) Thalamus.c) Anther.d) Stigma.e) ovary...fast......

Answer 1

a)placenta is a tissue which joins the ovule ro rhe ovarian chamber known as locule.

b)thalamus is the swollen basal part of a flower also known as receptacle from which all the parts grow and supports the flower.

c) anther is the lobed part on the top of the stamen which is the male reproductive part of the flower. it produces pollen grains which are the male gametes and fertilize the ovules to form zygote.

d) stigma is the topmost part of the pistil which is the female reproductive organ of the flower. it is the receptacle of the pollen grains.

e)ovary is the chamber of the flower in which the ovules are implanted. it contains the female gametes ovules and fertilization take parts here to form the zygote.

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Answer 2

Answer:

Explanation:

(a) Placenta:

Location: Cushion or swollen region in the ovary

Function: Gives origin to ovules

(b) Thalamus:

Location: Tip of the flower stalk

Function: Bears all the parts of the flower

(c) Anther:

Location: Part of the stamen

Function: Produces male gametes or pollen grains

(d) Stigma:

Location: Terminal knob-like part

Function: Serves as the landing place for pollen grains during pollination