Question 7 (iv)
Mark ‘T’ if the statement is true and ‘F’ if it is false:
(iv) The fishes have lungs for breathing.

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)

Question 7 (iii)
Mark ‘T’ if the statement is true and ‘F’ if it is false:
(iii) Frogs breathe through their skin as well as their lungs.

Question 10 (iv)
Mark ‘T’ if the statement is true and ‘F’ if it is false:
(iv) Solar energy is converted into chemical energy during photosynthesis.

Question 6 (iv)
Mark ‘T’ if the statement is true and ‘F’ if it is false:

(iv) Indicator is a substance which shows different colours in acidic and basic solutions.

Question 7 (i)
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.