The working principle in a light microscope is using

The organelles of eukaryotic cells that are bounded by cell membrane are

A. mitochondria

B. endoplasmic reticulum

C. chloroplasts

D. all of above

The kind of electron microscope which is used to study the internal structure of cells is

A. scanning electron microscope

B. transmission electron microscope

C. light microscope

D. compound microscope

The flattened sacs that are present in the cell were discovered by

A. Ernst Haeckel

B. David Baltimore

C. Camillo Golgi

D. Rachel Carson

The color of chlorophyll is

A. green

B. yellow

C. brown

D. red

The xylem tissues are responsible for

A. osmotic pressure

B. secretion of water

C. absorption of water

D. transportation of water