MCQ
Aerobic respiratory pathway is appropriately termed:
- ACatabolic
- BParabolic
- ✓Amphibolic
- DAnabolic
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$I.$ Myosin head binds to the exposed active site on action to form a cross bridge
$II.$ The Z-line attached to these actin are also pulled in wards there by causing shortening of sarcomere also called contraction
$III.$ This pulls the attached actin filaments towards the centre of $A$-band The correct option is
|
Column $I$ (Description) |
Column $II$ (Example) |
| $A$. Aquatic respiratory organ | $I$. Skin |
| $B$. Organ which acts urogenital duct | $II$. Ureterand opens into the cloaca |
| $C$. A small median chamber | $III$. Cloacathat is used to pass faecal matter,urine and sperms to the exterior |
| $D$. A triangular structure | $IV.$ Sinus venosuswhich joins the rightatrium and receives bloodthrough vena cava |