|Column I||Column II|
|A.||Copulatory pad in male frog||P||Present on 1st digit of forelimbs|
|B.||In hibernation, frog respires||Q||Present on 1st digit of hind limbs|
|C.||Optic lobes in a frog are a part of||R||Through skin|
|D.||Bidder’s canal||S||Through lungs|
|W||Present in female frog’s kidney for the passage of ova|
|X||Present in male frog’s kidney for the passage of sperms|
Which of the following statement is incorrect regarding a frog?
1. Digestive system without salivary gland
2. Respiratory system without intercostal muscles
3. Circulatory system without SA node.
4. Reproductive system without copulatory organs.