The term 'protoplasm' was coined by
Virchow
Purkinje
Dujardin
Kolliker
Pits are formed on the cell wall is due to lack of
cell plate
primary wall material
secondary wall material
middle lamellae
What is common between chloroplasts, chromoplasts and leucoplasts ?
presence of pigments
possession of thylakoids and grana
storage of starch, proteins and lipids
ability to multiply by a fission -like process
Which of the following is the site of lipid synthesis ?
Rough ER
Smooth ER
Golgi bodies
Ribosome
The dominant epistasis ratio is
9 : 3 : 3 : 1
12 : 3 : 1
9 : 3 :4
9 : 6 : 1
Which one of the following has its own DNA ?
Mitochondria
Dictyosome
Lysosome
Peroxisome
The infoldings in mitochondria are known as
cristae
matrix
cisternae
thylakoids
Quantasomes are present in
chloroplast
mitochondria
golgibody
Iysosome
Resolving power of scanning electron microscope is
0.001nm
0.01nm
20nm
0.0001nm
A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45 X objective .He should iluminate the object by which one of the following colours of light so,as to get the best possible resolution ?
Yellow
Green
Blue
Red
