Class IX

Epithelial tissue is found in
  1. Skin
  2. Linning of blood vessels
  3. Alveoli of lungs
  4. All of these
The process of taking up permanent shape,size and a function is called ___?
  1. Cells
  2. Tissues
  3. Difference
  4. Differentiation
Two bones can be connected to each other by another type of connective tissue which is called_____?
  1. Blood
  2. Vessels
  3. Ligament
  4. None of these
Transpiration and exchange of gases occurs through
  1. Xylem
  2. Stomata
  3. Phloem
  4. Leaves
Which of the following statments are True/False?(a)In amoeba a single cell carries out movement, intake of food and respiratory gases,respiration and excretion. (b)In human beings muscle cells contract and relax to cause movement.
  1. Only A
  2. Only B
  3. Both A and B
  4. None of these
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