Adult frog (Rana tigrina) cannot respire through
1. Moist skin
2. Lungs
3. Gills
4. Buccal cavity
a: | Presence of sound producing vocal sacs |
b: | Presence of copulatory pad on the first digit of the forelimbs |
c: | Ureters carry both sperms and urine in male frog |
d: | Testes are adhered to the upper part of kidneys by a double fold of peritoneum called mesorchium |
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.
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 |