Choose the correct statements regarding frog's anatomy:
A. Hepatic portal system is the special venous connection between liver and intestine.
B. There are twelve pairs of cranial nerves arising from the brain.
C. The ureters and oviducts open separately into the cloaca in female frogs.
D. Hind-brain consists of cerebellum, medulla oblongata and optic lobes.
E. Sinus venosus joins the right atrium of heart.

Choose the correct answer from the options given below:
1. B and D only
2. A, C and E only
3. A, B and C only
4. B and C only
Subtopic:  Frogs |
 73%
Level 2: 60%+
NEET - 2026
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Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs.
Choose the correct answer from the following:
1. The statement is false for water but true for land
2. The statement is false for both the environments
3. The statement is true for water but false for land
4. The statement is true for both the environments
Subtopic:  Frogs |
 57%
Level 3: 35%-60%
NEET - 2025
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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
Subtopic:  Frogs |
 80%
Level 1: 80%+
AIPMT - 2011
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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
Subtopic:  Frogs |
Level 3: 35%-60%
AIPMT - 2011
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