HOTS class 10th BIOLOGY
Q1 Define the terms (a) Lungs capacity (b) Vital capacity
Q2 Define the terms:
(a) Inspiratory reserve volume
(b) Expiratory reserve volume
Q3 Breathing and respiration are not synonymous. Why? Q4 why do arteries not require valves?
Q5 Define double circulation and differentiate between close and open circulatory system?
Q6 which enzyme is missing in human digestive system to digest cellulose? Name the animals who possess it.
Q7 How does the blood present in renal artery different from renal vein? Q8 what is blood pressure? How is it measured?
Q9 what is emphysema? Why does this occur? Q10 what are lenticels?
Q11 what is Rh factor?
Q12 Why does WBC number increase during infection? Q13 How food travels from source to sink?
Q14 why do we need to take ORS in case of diarrhoea? Q15 Why is SA node called pace maker of heart?
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