| Assertion (A): | In frogs, external fertilization takes place. | 
| Reason (R): | Frog is an aquatic amphibian. | 
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). | 
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). | 
| 3. | (A) is true, but (R)) is false. | 
| 4. | Both (A) and (R) are false. | 
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 363776
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 363776
| Assertion (A): | Frogs help maintain ecological balance. | 
| Reason (R): | The species which maintain ecological balance serve as an important link in the food chain and food web. | 
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). | 
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). | 
| 3. | (A) is True but (R) is False. | 
| 4. | (A) is False but (R) is True. | 
| Assertion (A): | The digits for forelimbs of a frog possess a web. | 
| Reason (R): | The webs found in the digits of forelimbs help in swimming. | 
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). | 
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). | 
| 3. | (A) is true, but (R)) is false. | 
| 4. | Both (A) and (R) are false. | 
| 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 | 
| T. | Fore brain | ||
| U. | Mid brain | ||
| W. | Present in female frog’s kidney for the passage of ova | ||
| X. | Present in male frog’s kidney for the passage of sperms | 
| A | B | C | D | |
| 1. | P | R | X | W | 
| 2. | P | R | U | X | 
| 3. | R | P | T | X | 
| 4. | Q | S | T | W | 
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.