__________ is a cell which conduct food materials from leaves to the other parts of the plant.
xylem
phloem
xylem fibres
Tracheids
Plant cells and animal cells are distinguished by the presence of ___________ in plant cells.
Cytoplasm
Cell organelles
Cell wall
Cell membrane
The cells of bacteria lack a well organized nucleus called
prokaryotic cells
Eukaryotic cells
Endcaryotic cells
Bicaryotic cells
The division of cytoplasm is called
karyokinesis
cytokinesis
cell plate
meosis
Who discovered that all cells contain nucleus?
Purkinje
Robert Brown
Robert Koch
Anton vann Leeuwenhoek
A cell is made of life giving substance called
protoplasm
cytoplasm
ribosome
nucleus
______ is a simple tissue helping to provide strength and flexibility to the growing organs like young stem.
Parenchyma
Collenchyma
Sclerenchyma
Terenchyma
The organism having one cells in their body are called
multicellular
unicellular
tricellular
bicellular
______ is 'J' shaped chromosome.
Submetacentric chromosome
Aerocentric chromosome
Telecentric chromosome
Rabo centric chromosome
Which is called as protein factories of the cell?
Ribosome
Lysosomes
DNA
RNA
