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Respiration in Other Organisms

a Tick the co...

Question

Question 5 (a)
Tick the correct answer:
(a) In cockroaches, air enters the body through
(i) lungs
(ii) gills
(iii) spiracles
(iv) skin

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Solution

The answer is (iii).

In cockroaches, air enters the body through their spiracles.

Spiracles are external openings found in some animal species such as insects, The function of spiracles is linked to respiration, helping oxygen to reach internal respiratory organs, such as tracheae in insects

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Similar questions

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

(c) Normal range of breathing rate per minute in an average adult person at rest is

(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

Q. In insects the exchange of gases takes place through _______________.
(a) spiracles
(b) gills
(c) lungs
(d) lenticels

Q. Match the contents of column I, II and III.

\begin{matrix} Column I & Column II & Column III 1. Fish & i) Spiracles & a) Lives on both land and water 2. Frog & ii) Gills & b) Lives on land 3. Cockroach & iii) Lungs and skin & c) Lives in water \end{matrix}

Question 5

Earthworms breathe through their
(a) skin
(b) gills
(c) lungs
(d) stomata

Q. In insects, exchange of gases takes place through

(a) spiracles
(b) gills
(c) lungs
(d) stomata

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Respiration in Other Organisms

Standard VII Biology

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