How many elements
are approximately found in living organisms?
a) 92
b) 25
c) 16
d) 6
Which of the following is not included in fundamental biological molecules?
a) carbohydrates
b) proteins
c) lipids
d) water
Condensation reaction is the reverse of
a) photosynthesis
b) respiration
c) hydrolysis
d) decomposition
Both cohesion and adhesion of water are due to…….
a) covalent bond
b) hydrogen bond
c) polarity
d) high specific heat capacity
What is the specific heat capacity of water?
a) 4.8 cal
b) 2 cal
c) 1 cal
d) 9.2 cal
Which of the following adopt pyranose structure when added to water?
a) ketoribose
b) aldohexose
c) ketohexose
d) aldopentose
