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Which of the following structures is correctly matched with its description ?
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Answer: CSolution: (i) Septal nephridia and pharyngeal nephridia - Both are enteronephric
(ii) Typhlosole - Internal median fold present in the dorsal wall of the intestine of earthworm, meant to increase the absoption surface area.
(iii) Gizzard - Help in grinding the soil particles and decaying leaves.
(ii) Typhlosole - Internal median fold present in the dorsal wall of the intestine of earthworm, meant to increase the absoption surface area.
(iii) Gizzard - Help in grinding the soil particles and decaying leaves.
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Practice questions from similar books
Question 1
Which of the following statements is correct about excretion in earthworm ? (i) Earth is mainly ureotelic
(ii) Septal nephridia, present on both sides of intersegmental septa of segment 15 to the last open into intestine
(iii) Integumentary nephridia, attached to lining of body wall of segment 3 to the last, open on the body surface
(iv) Different types of nephridia are basicaly similar in structure
(v) Nephridia regulate the volume and composition of body fluids.
Question 2
Consider the following four statements (i) - (iv) and select the correct option stating which ones are true (T) and which ones are false (F) (i) The epithelium of proximal convoluted tobule (PCT) of nephron in the kidney has microvilli
(ii) Simple epithelium covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of salivary glands and of pancreatic ducts
(iii) The wall of internal organs such as the blood vessels, stomach and intestine contains skeletal muscle
(iv) Bone marrow in some bones is the site of production of blood cells.
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| Question Text | Which of the following structures is correctly matched with its description ? |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
