Gastro – vascular cavity is evolved in:
A) Cnidarians
B) Sponges
C) Annelids
D) Arthropods
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The gastrovascular cavity in cnidarians
Body cavity: Cnidarians have a central cavity called coelenteron or gastrovascular cavity, which helps in digestion and circulation. They have blind-sac body plan i.e., single pore opening to the exterior...
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The stomach, located in the upper (A)_____ portion of the abdominal cavity, has three major parts-a (B)____ portion into which the oesophagus oopens,
Correct Answer - A-left, B-cardiac, C-fundic D-pyloric
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The floor of the chest cavity is :
(D) Diaphragm
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From nasal cavity, the air goes into pharynx. After pharynx the track is divided into two passages. Those are ……… , ……
Answer is (C) 2 only
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Find out the wrong pair. A) Man – Lungs B) Fish – Gills C) Frog – Gills D) Hydra – Body cavity
C) Frog – Gills
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Lysigenous cavity filled with water is present in
(B) monocot stem
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Write a short on body cavity of cockroach.
1. Cockroach has a body cavity or true coelom present around the viscera. 2. The body cavity of cockroach is known as haemocoel as it is filled with haemolymph (blood). Cockroaches...
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Blood filled cavity in cockroach is called ________
The correct answer is (A) haemocoel
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The muscle that helps the mouth enable the food to be pushed into oral cavity are
D) Sphincter muscles
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Identify the cells whose secretion protects the lining of gastro – intestinal tract from various enzymes.
The correct answer is (D) Goblet cells
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