MCQ
It is bacterial product
- ACyclosporine - $A$
- BCitric Acid
- ✓Acetic acid
- Ddrinks like ethanol
✓
Answer
Correct option: C.
Acetic acid
c
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Which one of the following statements are correct ?
(i) The wall of internal organs such as the blood vessels, stomach and intestine contains smooth muscle tissue.
(ii) Cardiac muscle tissue is a contractile tissue present in heart only and contain communication junctions called intercalated dises at some fusion points to allow cell to contract as a unit.
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(ix) In earthworm, prostomium is a bilobe which serves as a covering for the mouth.
(x) In earthworm, the second body segment is called peristomium which contain mouth.
(xi) In earthworm, segment 14-16 are covered by a prominent light band of glandular tissue called clitellum.
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Choose the correct option given below :-
(i) The wall of internal organs such as the blood vessels, stomach and intestine contains smooth muscle tissue.
(ii) Cardiac muscle tissue is a contractile tissue present in heart only and contain communication junctions called intercalated dises at some fusion points to allow cell to contract as a unit.
(iii) Neurons is the unit of neural system and are exictable cells.
(iv) Neuroglia makes up less than one-half the volume of neural tissue in our body.
(v) Morphology refers to study of internal feature of organism.
(vi) Anatomy term is used for the study of morphology of internal organs in the animals.
(vii) The common Indian earthworms are pheretima and lumbricus.
(viii) The faecal deposit of earthworm is called worm castings and the process of increasing the fertility of soil by earthworm is called vermicomposting.
(ix) In earthworm, prostomium is a bilobe which serves as a covering for the mouth.
(x) In earthworm, the second body segment is called peristomium which contain mouth.
(xi) In earthworm, segment 14-16 are covered by a prominent light band of glandular tissue called clitellum.
(xii) In earthworm, a single female genital pore is present in mid-dorsal line of 14 segment and a pair of male genital pores are present on ventro- lateral sides of 18-segment.
(xiii) Setae can be extended or retracted and play principle role in locomotion in pheretima.
(xiv) The body wall of earthworm is covered externally by a thin cellular cuticle layer.
(xv) A small narrow tube, oesophagus continues into a muscular gizzard which helps in grinding in earthworm.
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