Question

II) Fill in the blanks:-
(8M)
1) Friction is the force that opposes
2) Smoothe surface produces friction than a rough surface.
3) Shape of the aeroplane is to reduce friction from air.
4) Friction offered by rollers (Wheels) is called
friction
5) The outermost covering of a plant cell
6) Tiny structures inside cytoplasm in acell
7) Organelle which helps photosynthesis
8) Contents of a living cell within plasma membrane​

Answer 1

Answer:

1)Friction is a force that opposes motion

2) Smooth surfaces produces less friction than the rough surfaces

3) Shape of the aeroplane is to reduce fluid friction from air

4)Friction offered by wheels is called as sliding friction

5)The outermost covering of plant cell is cell wall

6)Tiny structures inside cytoplasm in a cell are cell organelles

7)Organelle which helps photosynthesis is chloroplast

8)The plasma membrane can be described as a phospholipid bilayer with embedded proteins that controls the passage of organic molecules, ions, water, and oxygen into and out of the cell. ... 1: Eukaryotic Plasma Membrane: The eukaryotic plasma membrane is a phospholipid bilayer with proteins and cholesterol embedded in it ...