Q1. Urine of mammal contain excretory product___
Q2. Ptyalin is an enzyme produced in the
Q3. J. B. Sumner isolated first enzyme from Jackbeans as —
Q4. One of these vitamins is called erythrocyte maturation factor —
Q5. Mainly which colour/s is responsible for photosynthesis?
Q6.Children especially in western countries who receive very little sunshine suffer from
Q7.In water treatment plant, use of chloramines ensures __________
(a) taste and odour control
(b) weed control in reservoirs
(d) removal of permanent hardness
Q8.Super cooling stands for cooling of a liquid :
Q9.Alcohol is more volatile than water because _________ is lower than water
Q10.Which of the following is used to protect objects in computer system, in the absence of more complete protection schemes?