Frog: digestive, circulatory, respiratory, nervous and reproductive systems
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See all →- In frog, the Renal portal system is a special venous connection that acts to link : Answer: 4. Kidney and lower part of body Key idea: A portal system begins and ends in capillaries. In frogs, the renal portal system carries... 1
- Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs. Choose the correct answer from the following : Answer: 3. The statement is false for water but true for land Key idea: Frogs breathe through the skin in water, and through the lungs on la... 1
- What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog ? Answer: 4. Vena cava Key idea: In a frog, veins called the vena cavae (precaval and postcaval) bring deoxygenated blood from the body to the... 1
- Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by- Answer: 3. Ileo - caecal valve Key idea: The valve between the ileum and caecum prevents backflow. The ileo-caecal valve guards the opening... 1
- Which of the following functions is not performed by secretions from salivary glands ? Answer: 1. Digestion of disaccharides Key idea: Salivary amylase digests starch, but no salivary enzyme digests disaccharides. Salivary amyl... 1
- Following are the statements about prostomium of earthworm.(a) It serves as a covering for mouth.(b) It helps to open cracks in the soil into which it can crawl.(c) It is one of the sensory structures.(d) It is the first body segment.Choose the corre… Answer: 1. (a), (b) and (c) are correct The prostomium is a lobe that covers the mouth, is sensory and helps in opening cracks in the soil.... 1