MCQ
Echinoderms and chordates have
- APseudocoelom
- BSchizocoelom
- ✓Enterocoelom
- DHaemocoel
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$1.$ meiosis is important process for evolution.
$2.$ in meiosis $-II$ mother cell is haploid.
$3.$ In anaphase $-II$ homologous chromosomes are differentiate.
$4.$ after meiosis, each daughter cell has same $DNA$ strands.
$(i)$ 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.
Which of the following type of tissue is being described by the above statements?