CBSE
Multiple Choice QuestionsCell theory was proposed by
Virchow
Schleiden and Schwann
Robert Hooke
B McClintock
The mineral present in cell wall is
Na
Ca
K
Mg
Which organelle is present in higher number in secretory cells?
Dictyosome
ER
Lysosome
Vacuole
During DNA replication in prokaryotes DNA is anchored to
chromosome
mesosome
nucleolus
ribosome
Who for the first time developed electron microscope?
Knoll and Ruska
Rudolf and Kolliker
Robert Hooke
Swanson
In prokaryotes, chromatophores are
Specialised granules responsible for the colouration of cells
Structures responsible for organising the shape of the organism
Inclusion bodies lying free inside the cells for carrying out various metabolic activities
Internal membrane systems that may become extensive and complex in photosynthetic bacteria
Endoplasmic reticulum is in continuation with
Golgi body
nuclear wall
mitochondria
cell wall
Membrane is absent in
Nucleus
Nucleolus
Vacuole
Lysosome
The phrase "Omnis cellula e cellula' was given by
Virchow
Pasteur
Schleiden
Brown
The vacuole is lined by a membrane called
tonoplast
jacket
cell membrane
tonoplasm
