MCQ
Which statement is wrong about amphibia ?
- AThey have two pairs of limbs
- BBody is divided into head and trunk
- CSkin is moist and eyes have eyelids
- ✓Heart is two chambered (One auricle and one ventricle)
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$II.$ Phloem in the angiosperm is composed of sieve tube elements, companion cells, phloem parenchyma and phloem fibres
Identify which of the following statement is correct and select the correct option
| Column $I$ | Column $II$ | ||
| $A.$ | Fast muscle fibres | $i.$ | Myoglobin |
| $B.$ | Slow muscle fibres | $ii.$ | Lactic acid |
| $C.$ | Actin filament | $iii.$ | Contractile unit |
| $D.$ | Sarcomere | $iv.$ | $I-$band |