Solve the following. (any 3) 1. Write a short note on biodiversity.
Go to a garden and pluck a flower and study male reproductive part and answer the questions.
a) Name each member of same.
b) Draw only male reproductive member.
c) Name the structure that is present in male reproductive part which has male gamete.
d) Give example of any two agents involve in pollination.
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Answer
1) The male reproductive part in a plant is called stamen.
It consists of anther and filament.
The anther is a lobed structure which produces pollen grains.
The filament is a slender stalk-like structure.
2) The female reproductive part in a plant is called the pistil.
It consists of three parts- stigma, style and ovary.
The sticky part at the top called a stigma.
A thin tube passing down is called a style.
A swollen sac-like structure at the bottom is called an ovary.
The pollen grains are transferred onto the stigma which then travels down the style into the ovary, where it meets with the ovules and fertilization takes place.
Explanation:
Verified answer
Answer:
define
a) pteridophytes
Explanation:
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