A male frog can be distinguished externally from a female frog by all of the following features except 
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 
1. a, b, c and d 
2. a and b only 
3. a, b and c only 
4. c and d only 
Subtopic:  Frogs: Morphology | Frogs: Anatomy (Excretory System) | Frogs: Anatomy (Male Reproductive System) | Frogs: Anatomy (Female Reproductive System) |
From NCERT
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Given below is the diagram of female reproductive system of a frog marked with A, B, C, D, E and F. 

                  

Ovary is represented by:

1. A

2. B

3. C

4. D

Subtopic:  Frogs: Anatomy (Female Reproductive System) |
From NCERT
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