unit c ( lesson 1,2 and 3)

he proved that all plants are composed of cells and nucleus was responsible for cell development

• Robert Hooke

• M.J. Schleiden

• Antony van Leeuwenhoek

• Rudolf Virchow

the part in microscope which is responsible for controlling the amount of light which passes through the slide

• frame

• coarse adjustment screw

• diaphragm

• fine adjustment screw

what is the type of this cell?

• animal cell

• plant cell

what is the organelle that is inside animal cells but not plant cells?

• ribosome

• lysosome

• centriole

• chloroplast

........................ shapes and supports plant cells

• cell membrane

• cell wall

• vacuole

• nucleus

The field of vision of medium power is ......................

• 4mm

• 10mm

• 1.6mm

• 0.4mm

a bacterium is 0.04mm long and your drawing of this bacterium is 2.4 cm.

what is the scale?

• 1:60

• 1:600

• 1:70

• 1:800

what is the total magnification of a microscope with an ocular lens marked 10x and objective lens marked 15x?

• 1.5x

• 150x

• 0.6x

• 1500x

......................... is fluid filled organelles enclosed by a membrane;contains stored food or wastes

• vacuole

• chloroplast

• lysosome

• ribosome

............... is involved in cell division in animal cells

• ribosome

• lysosome

• vacuole

• centeriole