Question 7: 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)

Harshit Singh , 3 Years ago

Grade 12th pass