What is the respiratory rate in a rabbit?

In high-altitude regions,the $R.B.C.$ count in humans will . . . . . . .

The scientist who proposed that the production of glycolic acid in guard cells is an important factor in stomatal opening is:

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A$. Emphysema	$I$. Rapid spasms in muscle due to low $Ca^{++}$ in body fluid
$B$. Angina Pectoris	$II$. Damaged alveolar walls and decreased respiratory surface
$C$. Glomerulonephritis	$III$. Acute chest pain when not enough oxygen is reaching to heart muscle
$D$. Tetany	$IV$. Inflammation of glomeruli of kidney

Choose the correct answer from the options given below:

Which one of the following statements is incorrect?

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