Questions

During respiration, about 97% of oxygen is transported by Red Blood Cells in blood and the remaining 3% gets dissolved in the plasma.Around 20-25% of carbon dioxide is carried by haemoglobin as carbamino-haemoglobin.

Oxygen enters the blood from the lungs and carbon dioxide is expelled out of the blood into the lungs. The blood serves to transport both gases. Oxygen is carried to the cells. Carbon dioxide is carried away from the cells.

An example of quantitative data is counter which couts the number of people or objects, measurement of physical objects like place length or area, data projection like what value of increase in sales or decrease in production, etc...

Stokely Carmichael, a civil rights leader, used the term 'Black Power' to promote solidarity among African-Americans.

The International Day of Democracy is observed every year on September 15 to highlight the values of freedom and respect for human rights as essential elements of democracy.

The theme of the 2018 International Day of Democracy is "Democracy under Strain : Solutions for a changing world".

No of students failed in English only = 52 –17 = 35

No of students failed in maths only = 42 –17 = 25

Total no of failed students in either of the subjects = 35+17+25 = 77

No of passed student in both subjects = 100 –77 = 23