Which of the following plants is able to show rolling of leaf during the middle of the day?

Which of the following two changes occur in humans when they move to high altitudes (above $3,500 \ m$)?
$(1)$ Increase in red blood cell size
$(2)$ Increase in red blood cell production
$(3)$ Increase in breathing rate
$(4)$ Increase in thrombocyte count

Describe the steps of respiration in short.

Which of the following steps is $NOT$ involved in the process of respiration?

$I.$ $pO_2$ is the major factor which affects the binding of $CO_2$ with haemoglobin.
$II.$ $pCO_2$ is low and $pO_2$ is high in tissues.
$III.$ $RBC$ contains a very high concentration of carbonic anhydrase.
$IV.$ Every $100 \; mL$ of deoxygenated blood delivers approximately $4 \; mL$ of $CO_2$ to alveoli.
Select the combination of right statements.

Analogy type question:
$(1)$ Inspiratory Reserve Volume $(IRV)$: $2500$ to $3000 \ mL$ :: Inspiratory Capacity $(IC = TV + IRV)$: ........
$(2)$ $CO_2$ by hemoglobin: Carbamino-hemoglobin form :: Oxygen binds with hemoglobin: ........