NEETZoologyStructural Organisation in Animals
Which of the following is a reason why frogs are beneficial to agriculture?
Options
- AThey produce fertilizer
- BThey eat insects that damage crops
- CThey attract birds that protect crops
- DThey pollinate crops
Correct answer
B. They eat insects that damage crops
Step-by-step solution
Frogs have well organised male and female reproductive systems. Male reproductive organs consist of a pair of yellowish ovoid testes , which are found adhered to the upper part of kidneys by a double fold of peritoneum called mesorchium. Vasa efferentia are 10-12 in number that arise from testes. They enter the kidneys on their side and open into Bidder’s canal. Finally it communicates with the urinogenital duct that comes out of the kidneys and opens into the cloaca. The cloaca is a small, median chamber that is u