CIE Biology Paper-1: Specimen Questions 108 - 109 of 109
Question number: 108
If pH of a blood is higher than 8 it will refer as-
The pH of any fluid is the measure of the hydrogen ion (H-) concentration. Alkalosis occurs when body has too many bases. It occur due to reduced blood levels ofCO2, which is an acid. It can also occur due to increased blood levels of bicarbonate, which is a base.
Question number: 109
The unwanted sound, which is released into the environment is called as-
The noise pollution is the undesirable sound, which release into the environment. It disturbs the human being and cause an adverse effect on the mental and psychological wellbeing. It is measured in the units of decibels and is denoted by the dB.