Home
Class 11
BIOLOGY
Which of the following statements is cor...

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
During aestivation and hibernation, gaseous exchange takes place through skin.

A

(i),(ii) and (iii)

B

(i) and (iii)

C

(ii) and (iii)

D

(i) and (ii)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following statements about the mechanism of muscle contraction are correct ? (i) Acetylcholine is released when the neural signal reaches the motor end plate. (ii)Muscle contraction is initiated by a signal sent by CNS via sensory neuron. (iii) During muscle contraction, isotropic band gets elongated (iv) Repeated activation of the muscles can lead to lactic acid accumulation.

Read the following statement (P - T) and select the option that correctly fills (i) - (v) P. The male frog has a special organ on the throat called ul("I") Q. ul("ii") membrane is a part of ear and serves to receive sound waves R. Dermis of the frog contains sac-like ul("iii") glands S. Tongue of frog is ul("iv") T . ul("v") respiration takes place in lungs on land.

Identify the correct statements from the below about "Respiratory system of earthworm". (I) The earthworm has no special respiratory organs like lungs or gills. (II) Respiration takes place through the body wall. (III) Oxygen diffuses through, the skin into the blood. (IV) The skin is kept moist by mucous and coelomic fluid.

Identify the wrong statements from the below. (I) oxidation of complex inorganic substances release energy during respiration. (II) amount of CO_2 evolution is equal to that of amount of O_2 consumed is called compensation point. (III) AMP is a nucleotide which consists of a base, sugar and phosphate group. (IV) NADH +H^+ releases a pair of electrons through oxidation reaction.

Identify the correct statements from the below about "steps involved in respiration", (I) Exchange of air between the atmosphere and the lungs. (II) The exchange of O_(2) and CO_(2) between the lungs and the blood. (III) Transport of O_(2) and CO_(2) by the lungs (IV) Exchange of CO_(2) between the cells only

Identify the correct statements from the below. (I) Earthworms use their moist skin, whereas insects have tracheal tubes. (II) Gills are used as respiratory organs in most of the aquatic Arthropods (III) Frogs spend most of their time in land. (IV) Frog use their moist skin for respiration along with lungs.