Consider the following statements (i) - (iv) each with one or two blanks. (i) Bones have…

Biology · Class 11 · CBSEStructural Organisation in Animals

Consider the following statements (i) - (iv) each with one or two blanks.
(i) Bones have a hard and non-pilable ground substance rich in (1) and (2) which give bone its strength.
(ii) Some of the columnar or cuboidal cells get specialised for secretion and are called (3) epithelium.
(iii) (4) junctions help to stop substances from leaking across a tissue.
(iv) The prostomium in earthworm is (5) in function.
Which one of the following options, gives the correct fill ups for the respective blanks from (1) to (5) in the statements?

  1. (3) - glandular, (4) - Tight, (5) - sensory
  2. (1) - calcium salts, (2) - collagen fibres, (3) - compound, (4) - Excretory
  3. (3) - glandular, (4) - Adhering, (5) - respiratory
  4. (1) - magnesium salts, (2) - elastic fibres, (3) - compound, (5) - sensory

Answer

(A) (3) - glandular, (4) - Tight, (5) - sensory

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