Home
Class 12
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

Hydra

B

Frog

C

Sycon

D

Earthworm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - B|35 Videos

  • BREATHING AND EXCHANGE OF GASES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - C|50 Videos

  • BREATHING AND EXCHANGE OF GASES

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|30 Videos

  • BODY FLUIDS AND CIRCULATION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment Section - D Assertion - Reason Type Questions|9 Videos

  • CELL CYCLE AND CELL DIVISION

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-D (Assertion-Reason Type Questions )|10 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements are true about amphibians? a. they are cold-blooded b. Respiration occurs through gills, skin and lungs. c. they are poikilotherms d. Respiration occurs only through gills and skin.

Which of the following statements are true about respiration ? (i) during inhalation, ribs move inward and diaphragm is raised (ii) the gaseous exchange takes place in the alveoli (iii) haemoglobin has greater affinity for carbon dioxide than oxygen (iv) alveoli increase surface area for the exchange of gases

Which of the following statements is/are correct or incorrect regarding Class Amphibia? (i) Body is divisible into head and trunk. Tail is present in some amphibians. (ii) Show respiration by gills, lungs and through skin. (iii) Has scales in all its members. (iv) Can lead dual life (aquatic and terrestrial) (v) Has eyelids.

Which of the following statements (s) is (are) correct ? (i) Pyruvate can be converted into ethanol and carbon dioxide by yeast (ii) Fermantation takes place in aerobic bacteia (iii) Fermantation takes place in mitochondria (iv) Fermentation is a form of anaerobic respiration

Consider the following four statements (I - iv) and select the correct option stating which ones are true (T) and which ones are false (F). (i) Formation of oxyhaemoglobin occurs on alveolar surface. (ii) During gaseous exchange the gases diffuse from high partial pressure to low partial pressure. (iii) Carbon dioxide cannot be transported with haemoglobin. (iv) Earthworm respires through parapodia.

Read the following statements (a-e) and choose the suitable option w.r.t. respiration a. A series of slow step-wise reactions controlled by enzymes. b. Breaking of the C-C bonds of respiratory substrates through oxidation within the cells. c. Liberation of energy. d. Breakdown of complex molecules to yield energy which takes place in mitochondria only. e. Carbon skeleton produced during respiration is not used as precursor for cellular biosynthesis of other molecules.

Which of the following statement are CORRECT? I. Renin is a proteolytic enzyme found in gastric juice of infants which helps in the digestion of milk proteins. II. No significant digestive activity occurs in the large intestine. III. The egestion of faeces to the outside through the anal opening ( defecation ) is a voluntary process and is carried out by a mass peristaltic movement. IV. Ejection of stomach contents through the mouth is a reflex action controlled by the vomiting center in the medulla. (a) I, II and IV (b) II, III and IV (c) III and IV (d) II and III

Go through the following statements (i) the peripheral chemoreceptors for regulation of respiration are located in carotid veins and arch of aorta (ii) the primary effect of pneumotaxic centre is to control the switch off point of inspiratory signal and thus limit inspiraton (iii) the chemosensitve area for brain for respiratory control is highly sensitive to O_(2) concentration (iv) In case of fetal haemoglobin the oxygen haemoglobin dissociation curve is shifted toward left which of these are correct ? (a) i, ii & iv (b) ii and iv (c) ii, iii & iv (d) iii and iv

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.

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.

AAKASH INSTITUTE ENGLISH-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - A
  1. The respiratory organs vary in different animals due to their

    Text Solution

    |

  2. Write the term used for respiratory organs of insects

    Text Solution

    |

  3. Which of the following statements is correct about the respiration in ...

    Text Solution

    |

  4. Respiratiry organs in aquatic arthropods like cray fish, prawn and m...

    Text Solution

    |

  5. Which of the following is wheat fruit?

    Text Solution

    |

  6. Which structure in human respiratory system is involved in condition...

    Text Solution

    |

  7. Which of the following volume is not included in vital capacity

    Text Solution

    |

  8. Which of the following structures close the glottis during swallowing ...

    Text Solution

    |

  9. At which level of thoracic vertebra, trachea divides

    Text Solution

    |

  10. Trachea divies into right and left

    Text Solution

    |

  11. Which menbrane covers the lungs and provide protection?

    Text Solution

    |

  12. Where are lungs situated in human body?

    Text Solution

    |

  13. What is the last step involved in respiration?

    Text Solution

    |

  14. Inspiration occurs when intra-pulmonary pressure is

    Text Solution

    |

  15. Which muscles help us to increase the strength of expiration?

    Text Solution

    |

  16. The breathing rate of a normal healthy man is

    Text Solution

    |

  17. Tidal volume in human beings is

    Text Solution

    |

  18. The volume of air remaining in the lungs even after a forcible expirat...

    Text Solution

    |

  19. What is the main site of human respiratory system where exchange of ...

    Text Solution

    |

  20. Partial pressure for oxygen and CO(2) is represented as

    Text Solution

    |