Question

Hello guys,

Mark ‘T’ if the statement is true and ‘F’ if it is false:
(i) During heavy exercise the breathing rate of a person slows down. (T/F)
(ii) Plants carry out photosynthesis only during the day and respiration only at night. (T/F)
(iii) Frogs breathe through their skins as well as their lungs. (T/F)
(iv) The fishes have lungs for respiration. (T/F)
(v) The size of the chest cavity increases during inhalation. (T/F)
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Answer 1

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Tick The Correct Answer :

　　　　　　　　　　　 

(A) In cockroaches, Air enters the body through –

• ( i ) Lungs
• ( ii ) Gills
• ( iii ) $\bf { Spiracles\: ✔ }$
• ( iv ) Skin

　　　　　　　　　　　 

(B) During heavy exercise, We get cramps in the legs due to the accumulation of?

• ( i ) Carbon dioxide
• ( ii ) $\bf { Lactic \:acid \:✔ }$
• ( iii ) Alcohol
• ( iv ) Water

　　　　　　　　　　　 

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

• ( i ) 9-12
• ( ii ) $\bf { 15-18\: ✔}$
• ( iii ) 21-24
• ( iv ) 30-33

　　　　　　　　　　　 

(D) During exhalation, The ribs –

• ( i ) Move outwards
• ( ii ) $\bf { Move \:downwards \:✔ }$
• ( iii ) Move upwards
• ( iv ) Do not move at all

　　　　　　　　　　　 

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Mark ‘T’ if the statement is true and ‘F’ if it is false :

　　　　　　　　　　　 

( i ) During heavy exercise the breathing rate of a person slows down.

• $\large\underline\mathrm\purple{False\:(F)}$

　　　　　　　　　　　 

( ii ) Plants carry out photosynthesis only during the day and respiration only at night.

• $\large\underline\mathrm\green{False\:(F)}$

　　　　　　　　　　　 

( iii ) Frogs breathe through their skins as well as their lungs.

• $\large\underline\mathrm\orange{True\:(T)}$

　　 

( iv ) The fishes have lungs for respiration.

• $\large\underline\mathrm\blue{False\:(F)}$

　　　　　　　　　　　 

( v ) The size of the chest cavity increases during inhalation.

• $\large\underline\mathrm\pink{True\:(T)}$

　　　　　　　　　　　 

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$\huge \frak \color{cyan} { @TheCHURU\:♡ }$

Answer 2

1) False

2)False

3)True

4)False

5)True

Hope it helps...