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Standard VII

Biology

Cellular Respiration

The following...

Question

The following diagram depicts inhalation process. Identify the parts labeled in the image.

(i) Trachea (ii) Lungs (iii) Ribs (iv) Diaphragm

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(i) Diaphragm (ii) Trachea (iii) Ribs (iv) Lungs

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(i) Lungs (ii) Diaphragm (iii) Ribs (iv) Trachea

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(i) Lungs (ii) Trachea (iii) Diaphragm (iv) Rib

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Solution

The correct option is C
(i) Lungs (ii) Diaphragm (iii) Ribs (iv) Trachea

The parts labeled in the given image are (i) lungs (ii) diaphragm (iii) ribs (iv) trachea. The image depicts rib movement during inhalation. Inhalation is the process of the drawing of air into the lungs. During the process of inhalation, the lung volume expands as a result of the contraction of the diaphragm and intercostal muscles.

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Similar questions

Match the items in Column I with those in Column II:

	Column I		Column II
(a)	Yeast	(i)	Earthworm
(b)	Diaphragm	(ii)	Gills
(c)	Skin	(iii)	Alcohol
(d)	Leaves	(iv)	Chest cavity
(e)	Fish	(v)	Stomata
(f)	Frog	(vi)	Lungs and skin
		(vii)	Tracheae

Q. During inhalation, the diaphragm becomes __(i)____ and ribs move ___(ii)_____ .

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
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)

Q. Which of the following sequences is correct to initiate inspiration?
(i) The contraction of external intercostal muscles raises the ribs and sternum
(ii) Volume of thorax increases in the dorso-ventral axis
(iii) Intrapulmonary pressure decreases
(iv) Diaphragm contraction
(v) Air rushes into lungs
(vi) Volume of thorax increases in the anterior-posterior axis

Q. Tick the correct answer:

(a) In cockroaches, air enters the body through

(i) lungs

(ii) gills

(iii) spiracles

(iv) skin

(b) During heavy exercise, we get cramps in the legs due to the accumulation of

(i) carbon dioxide

(ii) lactic acid

(iii) alcohol

(iv) water

(i) 9 - 12

(ii) 15 - 18

(iii) 21 - 24

(iv) 30 - 33

(d) During exhalation, the ribs

(i) move outwards

(ii) move downwards

(iii) move upwards

(iv) do not move at all

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