MCQ
It does not zygomorphic flower.
- APea
- BGulmohar
- ✓Datura
- DBean
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| Animals | Morphological features | |
| $(i)$ | Crocodile | $4$-chambered heart |
| $(ii)$ | Sea urchin | Parapodia |
| $(iii)$ | Obelia | Metagenesis |
| $(iv)$ | Lemur | Thecodont |
$I.$ Receptor sites on sarcolemma
$II.$ Nerve impulse
$III.$ Release of $\mathrm{Ca} \hat{\imath}$
$IV.$ Acetylcholine release
$V.$ Shortening of sarcomere
$VI.$ Synaptic cleft
$VII.$ Spread of impulse over sarcolemma on T-tubule
The correct option is