STATEMENT BASED
Structural Organization in Animals

270728 Statement I: Cardiac muscle of the heart is striated and has intercalated disc between its fibres (cells).
Statement II: Intercalated disc provide quick powerful and rhythmic contraction to the heart.

1 Both Statement I and Statement II are incorrect
2 Statement I is correct but Statement II is incorrect
3 Statement I is incorrect but Statement II is correct
4 Both Statement I and Statement II are correct
Structural Organization in Animals

270741 Read the following statements.
(i) It is a contractile tissue present only in the heart.
(ii) Cell junctions fuse the plasma membranes of these cells and make them stick together.
(iii) Communication juntions at some fusion points allow the cells to contract as a unit, i.e., when one cell receives a signal to contract, its neighbours are also stimulated to contract.
(iv) Striations are present in this tissue.
Which of the following type of tissue is being described by the above statements ?

1 Skeletal muscle
2 Cardiac muscle
3 Smooth muscle
4 Cartilage
Structural Organization in Animals

270728 Statement I: Cardiac muscle of the heart is striated and has intercalated disc between its fibres (cells).
Statement II: Intercalated disc provide quick powerful and rhythmic contraction to the heart.

1 Both Statement I and Statement II are incorrect
2 Statement I is correct but Statement II is incorrect
3 Statement I is incorrect but Statement II is correct
4 Both Statement I and Statement II are correct
Structural Organization in Animals

270741 Read the following statements.
(i) It is a contractile tissue present only in the heart.
(ii) Cell junctions fuse the plasma membranes of these cells and make them stick together.
(iii) Communication juntions at some fusion points allow the cells to contract as a unit, i.e., when one cell receives a signal to contract, its neighbours are also stimulated to contract.
(iv) Striations are present in this tissue.
Which of the following type of tissue is being described by the above statements ?

1 Skeletal muscle
2 Cardiac muscle
3 Smooth muscle
4 Cartilage