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Question
In cockroach, stomodeal valve is present between :
In cockroach, stomodeal valve is present between :
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Solution
The correct option is B Gizzard and mesenteron
The digestive system of cockroaches comprises of foregut, midgut and hindgut.
The foregut comprises of mouth, pharynx, oesophagus, crop and gizzard.
The hindgut comprises ileum, colon and rectum.
The long tubular structure that joins the foregut and hindgut is called the midgut. The midgut is also commonly known as mesenteron.
The valve present between the gizzard and midgut is called the stomodeal valve. The gizzard grinds the food and passes it on to the midgut. The stomodeal valve prevents the backflow of the grinded food from the midgut to the gizzard.
So, the correct answer is - gizzard and mesenteron.
The digestive system of cockroaches comprises of foregut, midgut and hindgut.
The foregut comprises of mouth, pharynx, oesophagus, crop and gizzard.
The hindgut comprises ileum, colon and rectum.
The long tubular structure that joins the foregut and hindgut is called the midgut. The midgut is also commonly known as mesenteron.
The valve present between the gizzard and midgut is called the stomodeal valve. The gizzard grinds the food and passes it on to the midgut. The stomodeal valve prevents the backflow of the grinded food from the midgut to the gizzard.
So, the correct answer is - gizzard and mesenteron.
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