. What are semiautonomous organelles? Describe with example?
. Write the functions of following:
a) Aerolar tissue
c) Golgi bodies
e) Protective tissue in plants
. Draw a labelled diagram of
(b) animal cell
a) Nuclear region of bacterian cell and nuclear region of animal cell
b) Cork and epidermis
c) Osmosis and diffusion
d) Chromatin and chromosome
e) Cells of meristematic tissue and cels of permanent tissue
f) Bone and cartilage
a) Membrane biogenesis and its significance
Why plasma membrane is called selectively permeable?
. Where are protein synthesized in the cell? How are they transported?
a) If there were no ysosonm in the cell.
b) A red blood cell kept in concentrated salt solution.
. What is the function of sieve tube cells and how they are designed to carry out their function?
. Give reasons:
a) There are no intercellular spaces in epidermer tissue?
b) Epidermis is thick in desert plants.
. How are cork formed?
. differentiate between different types of epithelium tissue in animal?
. Identify the tissue:
a) Lining of small intestine
b) Connect muscle to bone
c) Iris of eye
d) Base of leaves
e) Leaf talk below epidermis
f) Vascular bundles
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Class 9 Maths
Class 9 Science