MCQ
Mostly hermaphrodite animals are present in
- ACoelenterata
- BNematoda
- CAnnelida
- ✓Platyhelminthes
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$(i)$ These muscle fibres taper at both ends and do not show striations.
$(ii)$ The wall of internal organs such as the blood vessels, stomach and intestine contain this type of muscle tissue.
$(iii)$ They are 'involuntary' as their function cannot be directly controlled.
|
Column $I$ (Terms) |
Column $II$ (Features) |
| $A.$ Exocrine gland | $I.$ They help to stop substances fromleaking across a tissue |
| $B.$ Endocrine gland | $II.$ Hormones are secreted directlyinto the fluid bathing the gland |
| $C.$ Tight junctions | $III.$ They perform cementing to keepneighbouring cells together. |
| $D.$ Adhering junctions | $IV.$ Secretes mucus, saliva, earwax,oil, milk, digestive enzymes andother cell products |
