I: | Skeletal muscle is striated and voluntary. |
II: | Smooth muscle is striated and involuntary. |
III: | Cardiac muscle is non-straited and involuntary. |
Statement I: | Stratified squamous epithelium lines the alveoli. |
Statement II: | Simple columnar epithelium lines the proximal convoluted tubules of nephron. |
1. | Statement I is correct; Statement II is incorrect |
2. | Statement I is correct; Statement II is correct |
3. | Statement I is incorrect; Statement II is incorrect |
4. | Statement I is incorrect; Statement II is correct |
Consider the given two statements:
Assertion (A): | Cardiac muscle cells can contract as a unit. |
Reason (R): | Cardiac muscle tissue is a contractile tissue present only in the heart. |
1. | Both (A) and (R) are True and (R) correctly explains (A). |
2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
3. | (A) is True; (R) is False |
4. | Both (A) and (R) are False |
Assertion (A): | The development of Periplaneta americana is holometabolous. |
Reason (R): | The development in Periplaneta americana is ‘complete’ and not ‘partial’. |
1. | Both (A) and (R) are True and (R) correctly explains (A). |
2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
3. | (A) is True; (R) is False |
4. | Both (A) and (R) are False |
I: | is closed type. |
II: | is involved in the exchange of gases with tissues. |
I: | Gizzard helps in grinding the food particles. |
II: | A ring of 6-8 blind tubules called hepatic or gastric caeca is present at the junction of foregut and midgut, which secretes digestive juice. |
1. | Cardiac muscle cells to each other |
2. | Smooth muscle cells to each other |
3. | Skeletal muscle cells to each other |
4. | Tendons of two muscle |