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Quiz 1
Mdcat-past-papers - BUMHS - Biology Quiz
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Board: BUMHS | Subject: Biology |
1. Biologically __ plays key roles in maintaining the integrity of lipid bilayer membranes
Hydrophilic exclusion
Heat of vaporization
Hydrophobic exclusion
Specific heat capacity
2. Energy is __ by the breakdown of complex molecules into simpler ones, such reactions are called catabolic reactions:
Released
Produced
Consumed
Destroyed
3. Which of the following process is involved in breakdown of protein into Amino acids ?
Condensation
Hydrolysis
Glycolysis
Fixation
4. Which bond is the potential source of chemical energy for cellular activities?
C=O
C–H
C–R
C–N
5. 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
6. 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
7. Which one are intermediates in respiration and photosynthesis both:
Ribose and heptulose
GAD and DHA
Glucose and galactose
Fructose and ribulose
8. Which of following is a keto sugar?
Glyceraldehyde
Dihydroxy-acetone
Ribose
Glucose
9. The most common respiratory substrate as a source of energy is:
Glucose
Fructose
Sucrose
Insulin
10. ___ are the major site of storage of glycogen in animal's body:
Muscle and Liver
Around thigh and belly
Around belly and Hips
Liver and Kidneys
11. Which statement is true about regarding both starch and cellulose ?
They are both polymers of glucose
they are geometric isomers of each other
Both can be digested by humans
Both used for energy storage in plants
12. Mono-saccharides have a general formula represented by :
Cn(H2O)n
C2(H2O)n
C(H2O)n
Cn(H2O)n
13. In carbohydrate hydrogen and oxygen are mostly in the same ratio i.e 2:2 that's why they are called:
Carbon monoxide
Carbon dioxide
Hydrated Carbon
Triose
14. Glycogen is most abundant in:
Brain cells
Liver cells
Adipose cells
Smooth muscle cells
15. Ribose is a pentose sugar (5-carbon) that contains:
Aldehyde group
Ketone group
Carboxyl group
Ester group
16. Sucrose is hydrolysed into:
lactose and glucose
lactose and fructose
Glucose and Fructose
Glucose and galactose
17. Which of the following is a trisaccharide?
Mannose
Galactose
Maltose
Raffinose
18. Which of the following is not a monosaccharide?
Fructose
Glucose
sucrose
All are monosaccharides
19. Which of the following molecule will yield glucose and fructose on hydrolysis?
starch
maltose
sucrose
lactose
20. Fatty acids are the organic compounds containing hydrogen, oxygen and one of the following:
–COOH
0
Acyl
Sucrose
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