Consider the following four statements (A-D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F).
Statements:
(A) | On dry land, it would die due to lack of O2 if its mouth is forcibly kept closed for a few days |
(B) | It has a four-chambered heart |
(C) | On dry land, it turns uricotelic from ureotelic |
(D) | Its life history is carried out in pond water |
(A) | (B) | (C) | (D) | |
1. | F | T | T | F |
2. | T | F | F | T |
3. | T | T | F | F |
4. | F | F | T | T |
Frogs differ from humans in possessing:
1. thyroid as well as parathyroid
2. paired cerebral hemispheres
3. hepatic portal system
4. nucleated red blood cells