Which of the following processes occurs during expiration?
ARelaxation of diaphragm muscles and increase in size of chest cavity.
BContraction of diaphragm muscles and increase in size of chest cavity.
CRelaxation of diaphragm muscles and decrease in size of chest cavity.
DContraction of diaphragm muscles and decrease in size of chest cavity.
Refer to the given graph representing changes in the states of water with temperature.
Based on the given graph which of the following statements are correct?
(i) Heat is gained from P to T.
(ii) There are different states of water along QR.
(iii) Vaporisation occurs at P to Q.
A(i) and (ii) only
C(ii) and (iii) only
D(i), (ii) and (iii)
answer keys appear to be wrong
Two friends Rohan and Ravi visited a general physician for their respective diseases. Doctor examined them and prepared a chart as shown below to keep a record of their illness.
Refer to the given chart and select the correct option regarding this.
ARohan is suffering from deficiency of a fat soluble vitamin which helps in formation of bones and teeth.
BRavi is suffering from deficiency of a mineral that is required for formation of haemoglobin that carries oxygen from lungs to body cells.
CRohan is suffering from deficiency of a mineral that also increases immunity against various diseases.
DNone of these