Question

Q30. A student records the observation to study the rate of respiration in three different people
Person 1 (breathing Person 2 (breathing Person 3 (breathing
Study the data collected and answer the questions given below:
Activity
in one minute) in one minute)
3
in one minute)
(b) Walking
20 times
24 times
26 times
(ii) Running
35 times
37 times
34 times
30 times
45 times
(iii) Climbing 20
40 times
stairs by running
(1) Which variable is kept constant?
(it) Which reading is anomalous?
(iii) Suggest one improvement in this experiment.​

Answer 1

Answer:

The Shiromani Akali Dal demands that the exploitation of the produces of cash crops like cotton, sugarcane, oil seeds, etc., at the hand of traders should be stopped forthwith and for this purpose arrangements be made for purchase by government of these crops at remunerable prices.

Answer 2

Answer:

I think :-

(a) walking

(b) second person of climbing 20 times stairs by running

(c) improvement on 3rd line