EASY
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Cloaca in frogs filters blood.
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Important Questions on Organ and Organ Systems in Animals
MEDIUM
Assertion (A): During pulmonary respiration in frog, buccopharyngeal cavity acts like a force pump.
Reason (R): When the floor of buccopharyigeal cavity is lowered, air forces the glottis to open and reach the lungs.
The correct option among the following is:
HARD
Select the correct route for the passage of sperms in male frogs.
MEDIUM
Select the correct route for the passage of sperms in male frogs.
EASY
Closed circulatory system occurs in
EASY
In water, ______ acts as the aquatic respiratory organ of frog.
MEDIUM
Which of the following statements is correct about the respiration in frog?
(i) In frog, cutaneous and pulmonary respiration are found.
(ii) A pair of elongated pink hollow lungs are found in thorax.
(iii) During aestivation and hibernation, gaseous exchange takes place through skin.
MEDIUM
Which of the following is an incorrect statement?
MEDIUM
When a Frog's heart is taken out of the body, it continues to beat for sometime because _____.
Select the best option from following statements:
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "Myogenic" in nature.
(d) Heart is autoexcitable.
EASY
Bidder’s canal is found in:
EASY
Poikilothermy due to mixing of pure and impure blood arises in
MEDIUM
Frog respires through ______ during hibernation and aestivation.
EASY
The figure given here shows diagrammatic representation of internal organs of frog.
Identify to and select the correct option.
EASY
Identify the incorrect statement about frog.
EASY
Which of the following is correct w.r.t. Rana tigrina?
MEDIUM
In which of the following, ureters act as urogenital ducts?
EASY
Which of the following statements is incorrect about the frog?
(i) Eyes are bulged out and covered by a nictitating membrane that protects them while in water.
(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.
(iii) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.
(iv) Feet have webbed digits that help in swimming.
(v) Frogs exhibit sexual dimorphism.
EASY
The body of frog is divisible into
EASY
Cotyledons are also called-
MEDIUM
In frog, the elimination of nitrogenous wastes is carried out by a well developed excretory system. The excretory system consists of
a. One pair of kidney
b. Ureters
c. Cloaca
d. Urinary bladder
e. Urethra
EASY
Identify the wrong statement:
