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Quiz 107
Mdcat-past-papers Quiz
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2121. What is the % of water in 99 bone cells ?
70%
20%
99%
60%
2122. Which of the following process is involved in breakdown of protein into Amino acids ?
Condensation
Hydrolysis
Glycolysis
Fixation
2123. Water is the most abundant compound in living organism its amount varies from:
30 to 60%
50 to 60%
10-20%
70-90%
2124. How much temperature rise (°C) will be observed, as per definition of specific capacity, if energy is used to raise the temperature of 1gram of a substance?
1°C
2°C
3°C
4°C
2125. The chemical compound has the same percentage(%) in the bacterial as well as the mammalian cell:
Carbohydrate
Proteins
Lipids
Water
2126. The property of water that is important to biological membrane stability is:
Anomalous
Hydrophobic exclusion
Amphoteric
Hydrophobic inclusion
2127. Which bond is the potential source of chemical energy for cellular activities?
C=O
C–H
C–R
C–N
2128. Which property of water enables it to act as temperature stabilizer in living organisms?
High polarity
being non polar
high specific heat capacity
high heat of vaporization
2129. Which of the following process involve in decomposition of protein into amino acids?
Condensation
Hydrolysis
Glycolysis
Fixation
2130. The most abundant element present in human body is:
sulphur
nitrogen
carbon
manganese
2131. Which of the following is the opposite of condensation reaction?
decarboxylation
hydration
dehydration
hydrolysis
2132. The heat required to convert a gram of water into vapours at its boiling point is:
Heat of vaporization
Specific heat capacity
Heat of ionization
polarity of water
2133. All are properties of water. EXCLUDING:
Universal solvent
Polar nature
Hydrogen bonding
becomes denser as it freezes
2134. Which property of water helps to maintain the fluidity of membrane?
Specific heat capacity
Hydrogen bonding
Cohesion and adhesion
Hydrophobic Exclusion
2135. The bond formed between glucose and fructose to form sucrose is:
1,4 Glycosidic linkage
1,6 Glycosidic linkage
1,2 Glycosidic linkage
1,3 Glycosidic linkage
2136. Carbohydrates are organic molecules and contains three elements:
Carbon, Water,Oxygen
Carbon,Sulphur,Hydrogen
Carbon,Hydrogen,Oxygen
None are correct
2137. Which one are intermediates in respiration and photosynthesis both:
Ribose and heptulose
GAD and DHA
Glucose and galactose
Fructose and ribulose
2138. The most abundant carbohydrate in nature:
Waxes
Starch
GlyceroI
Cellulose
2139. Which of following is a keto sugar?
Glyceraldehyde
Dihydroxy-acetone
Ribose
Glucose
2140. The most common respiratory substrate as a source of energy is:
Glucose
Fructose
Sucrose
Insulin
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