Advertisements
Advertisements
प्रश्न
Give reasons for
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
Advertisements
उत्तर
Meristematic cells have a prominent nucleus and dense cytoplasm because they are metabolically highly active and are in continuous state of division. Meristematic cells lack vacuole because they do not store food material, waste material, sap, etc.
APPEARS IN
संबंधित प्रश्न
Write the name of the following tissue.
Tissue lining the inner surface of the mouth.
Name one place in living organisms where the following tissue is located:
Ciliated epithelium
Name the kind of cells found in the following place:
Inner lining of the wind pipe
Name the tissues found
at the outer layer of skin.
______ epithelium is seen in sweat glands.
Sieve cells have no companion cells.
Assertion: Materials are exchanged between epithelial and connective tissues by diffusion.
Reason: Blood vessels are absent in epithelial tissue.
Explain simple epithelium and its types.
The body of sponges does not possess tissue level of organisation though it is made of thousands of cells. Comment.
How does a gap junction facilitate intercellular communication?
