When cell was first discovered and by whom?
What is prokaryotic cell and eukaryotic cell?
Name different parts of cell.
What is streamlined shape?
Write few ways to reduce friction.
Write few ways to reduce fluid friction.
Answers
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➡ Question no .1
When cell was first discovered and by whom?
Answer:
The cell was dicovered in the year 1665.
Robert hooke discovered it while he was stdying a thin slice if cork .It consists of little compartments , In english these are also known as "CELL".
➡ Question no.2
What is prokaryotic and eukaryotic cell?
Answer:
Prokaryotic cell!
Prokaryotes or organism that consists of a single prokaryotic cell .
Eukaryotic cell!
Eukaryotic cells are found in plants , animals, and fungi .
➡Question no . 3
Name different parts of cell.
Answer : In attachment on top
➡Question no . 4
What is stream lined shape ?
Answer:
A streamlined body is a shape that lowers the friction drag between the Fluid , Like air and water. And an object moving though that fluid .
➡ Question no . 5
Write few ways to reduce friction .
Answer:
There are number of ways to reduce friction .
Such as :
+ Make the surface smoother , beacause rough surface produce more friction and smooth surface Reduce friction .
+ Lubricant Is the another way to make surface smoother .
+ Make the object more streamlined .
+ Reduce the force acting on surface .
+ Reduce the contact bet ween the surface .
➡ Question no . 6
Write few ways to reduce fluid friction.
Answer :
By making the object streamlined .
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