Paper Biochemistry 2017

Q1. People experiencing muscle wasting are a case of

mal nutrition

starvation

over-eating

over nutrition

proteinuria

Q2. To keep heart running

energy is required

no energy is required

heart beat occurs automatically

depends on asleep or awake

Q3. Most of vital activities are performed when we are

awake

asleep

snoring

eating a lot

Q4. In starvation after fats and glycogen next nutrient to be consume is

Starch

Proteins

Cellulose

Adrenosine triphosphate

ATP

Q5. Foods containing starch and carbohydrates are important because

A. They help you grow

B. They stop you getting overweight

C. They are easy to cook

D. They give you energy and fill you up

Q6. Why do we need to eat a balanced diet?

A. To give us energy

B. In oder for our bodies to function properly

C. To help us grow

D. To prevent us getting fat

Q7. In adulthood energy needs should balance with diet to prevent weight gain. Why is this?

A. Because they have stopped growing

B. Because they may not need as much food

C. Because they may not be as active

D. Because they are working

Q8. Egg yolk is the richest source of _____________________

Cholesterol

Iron

Vitamin C

carbohydrates

Q9. What percentage of a day's total energy need is used for digesting, absorbing, transporting, and storing nutrients?

1% to 3%

5% to 10%

25% to 40%

20% to 30%

Q10. Body mass index for an underweight person is

30 or greater

18.5 or less

18.5-24.9

25-29.9

30 to 31

Q11. This type of fat distribution is generally difficult to lose but is not as risky for chronic diseases.

lower-body obesity

upper-body obesity

appendicular

none of the above

Q12. A reasonable weight-loss goal is:

A) no more than 1/4 pound per week

B) 1 to 2 pounds per week

C) 5 to 6 pounds per week

D) depends on one's dominant gland

Q13. A significant health hazard from obesity is:

A. ulcers

B. diverticulosis

C. type 2 diabetes

D. emphysema

Q14. The most effective treatment for obesity is:

A. an energy intake less than energy output.

B. diuretic therapy

C. use of hormones to increase basal metabolism.

D. a high-protein diet

Q15. Some nutrient needs in adulthood are lowered because of decreased needs for:

A. growth

B. maintenance

C. physical activity

D. regulation of body processes

Q16. People on weight reduction diets should minimize choices from:

A) high-fat foods

B) breads and rolls

C) potatoes

D) meat

Q17. Being obese does not increase your risk for serious diseases.

A. True B. False

Q18. Common nutrition-related chronic diseases of adults include:

A) asthma, type 2 diabetes, and hypertension

B) hypertension, cancer, and arthritis

C) hypertension, obesity, atherosclerosis (hardening of the arteries)

D) atherosclerosis, hypertension, and kidney disease

Q19. A biological redox reaction always involves

an oxidizing agent

a gain of electrons

a reducing agent

all of these.

Q20. In electron transport chain one NADH produce how many ATP

3

1

2

4

5 Q21. Electron transport chain takes place in

Nucleus

Mitochondria

Golgi apparatus

Cytoplasm

Ribosomes

Q22. What is the most common electron carrier in biological systems

FAD

Coenzyme A

NAD

NADP

Compounds of the respiratory chain

Q23. Reduced form of NADP⁺ is

NAD

NADPH

NADH

none of above

Q24. In metabolism, NAD is involved in

redox reactions

elimination reaction

spontaneous reaction

all of above

Q25. Percentage of total ATP produced by oxidative phosphorylation is

90%

80%

70%

60%

Q26. Molecules oxidized in electron transport chain are

NADH

FADH

both A and B

none of above

Q27. NAD+ is _____ when it accepts two electrons and a hydrogen ion (H+).

Reduced

Oxidized

Q28. How many ATPs are produced during citric acid cycle?

12

10

13

8

24 Q29. The major fuel for the brain after prolonged starvation is .

(a)Glucose (b) Fatty acids

(c) Ketone bodies (d) Glycerol

Q30. Glycolysis take place in

Mitochondria

Ribosome

Nucleus

Cytoplasm

Golgi bodies

Q31. End product of anaerobic glycolysis is

Pyruvate

Enolpyruvate

Lactate

Acyl CoA

Lactate dehydrogenase

Q32. Which of the following have the strongest tendency to gain electron?

NADH

Oxygen

NADPH

FADH

FMN

Q33. The ___________utilize fructose but not glucose.

(a) Ovum

(b) Spermatozoa

(c) Adipose tissue

(d) Mammary gland

Q34. How many NADPH are produced in HMP pathway?

2

1

3

4

5 Q35. Lactose intolerance is due to-

(a) ADH deficiency

(b) Deficiency of bile

(c) Lactase deficiency

(d) Malabsorption syndrome

Q36. Riboflavin is a part of the structure of which of the following?

FAD

NAD⁺

CoA

UTP

Q37. 14 carbon containing fatty acid undergo how many cycles during beta oxidation

5 cycles

7cycles

6 cycles

8 cycles

9 cycles

Q38. The synthesis of glucose from fat is called

a) Glycolysis

b)Krebs cycle

c) Saponification

d) Gluconeogenesis

Q39. Hydrolysis of fats by alkalies into fatty acids and glycerol is called

a) Coagulation

b) Saponification

c) Suspension

d) Colloidal

Q40. β-oxidation takes place in

a) Mitochondria

b) cytoplasm

c) Chloroplasts

d) nucleus

Q41. How many ATP are produce from Palmatic acid during beta oxidation

131

128

144

133

129 Q42. Which of the following statement is wrong regarding beta oxidation

Mitochondrial pathway

NADH are produce

Occurs in matrix of mitochondria

Fatty acid are used for energy generation

Beta oxidation will occur for odd number of fatty acid

Q43. The molecule carnitine is involved in

Glycerol catabolism

Fatty acid activation

For conversion to glucose

Cleavage process of fatty acid

Shuttle system for acyl CoA

Q44. Fats are abundantly found in

a) Reproductive tissue
b) Vegetative tissue

c) Both a and b

d) None of these

Q45. Liquid form of triglycerides at ordinary room temperature are called

a) Oils

b)Solid

c) Fats

d) None of these

Q46. Oxidative deamination is the conversion of an amino

A. group from an amino acid to a keto acid

B. acid to a carboxylic acid plus ammonia

C. acid to a keto acid plus ammonia

D. group from an amino acid to a carboxylic acid

Q47. Urea synthesis mainly take place in

Liver

Muscle

Kidney

GIT

Red bone marrow

Q48. The major mechanism for the removal of ammonia in the liver is through the formation of

Uric acid

Urea

Fatty acid

Glutamine

Cysteine

Q49. Transamination is the process where

A. carboxyl group is transferred from amino acid

B. α-amino group is removed from the amino acid

C. polymerisation of amino acid takes place

D. none of the above

Q50. Transaminase enzymes are present in

A. Liver

B. Pancreas

C. Intestine

D. none of these

Q51. When the body metabolizes nutrients for energy, fats yield about _______ times the energy as carbohydrates or proteins.

½

2

4

6 Q52. The proteins in the body are composed of _ amino acids; _ of these amino acids are termed essential amino acids.

20; 9

20; 11

40; 20

40; 9

Q53. A person gain weight when his energy?

Energy In > Energy Out

Energy In = Energy Out

Energy intake is zero

Energy In < Energy Out

Take nutrient dense food

Q54. A toxic waste product of protein metabolism that must be excreted from the body is

Ammonia

carbon dioxide.

Urea

uric acid.

Q55. The sugar in RNA is , the sugar in DNA is

deoxyribose, ribose

ribose, deoxyribose

ribose, phosphate

ribose, uracil

Q56. The glycosidic bonds in DNA and RNA

connect the sugar to the base

can be hydrolyzed by OH^- ion

stabilize Watson-Crick H-bonds

are free to rotate over about 180°

Q57. Gout results when there is increased metabolism of

Protein

Purine

Fructose

Fatty acid

Carbohydrates

Q58. Urea is increase in which of the following condition

Acute myocardial infarction

Chronic hepatitis

Renal failure

Pancreatitis

CNS abnormality

Q59. A nucleotide consists of

a sugar, a base and a phosphate

a sugar and a phosphate

paired bases

a sugar, a base and three phosphates

Q60. A five carbon sugar lacking a hydrogen at the number 2 carbon is found in

DNA

RNA

mRNA

Rdna

Q61. Which of the following is found on RNA but not DNA?

Uracil

Deoxyribose

Phosphate

Adenine

Q62. Which of the following is a purine?

Cytosine

Adenine

Thymine

Uracil

Q63. Nucleic acids are made up of monomers called

nucleotides

nucleosides

DNA

RNA

Q64. Which of the enzyme increased in acute pancreatitis?

Serum ALT

Serum ALP

Serum amylase

Serum LDH

Serum CK-BB

Q65. In Acute myocardial infarction which enzyme will be most likely increased

Alanine transaminase

Alkaline phosphatase

Creatine kinase

Lactate dehydrogenase

G6PD enzyme

Q66. Which of the following condition have highest level of ALT

Chronic viral hepatitis

Acute viral hepatitis

Renal failure

Hemolytic anemia

Hepatitis C

Q67. Jaundice is clinically manifested when serum total bilirubin is more than 3.0mg/dl

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kmu slides

Paper Biochemistry 2017

Q1. People experiencing muscle wasting are a case of

mal nutrition

starvation

over-eating

over nutrition

proteinuria

Q2. To keep heart running

energy is required

no energy is required

heart beat occurs automatically

depends on asleep or awake

Q3. Most of vital activities are performed when we are

awake

asleep

snoring

eating a lot

Q4. In starvation after fats and glycogen next nutrient to be consume is

Starch

Proteins

Cellulose

Adrenosine triphosphate

ATP

Q5. Foods containing starch and carbohydrates are important because

A. They help you grow

B. They stop you getting overweight

C. They are easy to cook

D. They give you energy and fill you up

Q6. Why do we need to eat a balanced diet?

A. To give us energy

B. In oder for our bodies to function properly

C. To help us grow

D. To prevent us getting fat

Q7. In adulthood energy needs should balance with diet to prevent weight gain. Why is this?

A. Because they have stopped growing

B. Because they may not need as much food

C. Because they may not be as active

D. Because they are working

Q8. Egg yolk is the richest source of _____________________

Cholesterol

Iron

Vitamin C

carbohydrates

Q9. What percentage of a day's total energy need is used for digesting, absorbing, transporting, and storing nutrients?

1% to 3%

5% to 10%

25% to 40%

20% to 30%

Q10. Body mass index for an underweight person is

30 or greater

18.5 or less

18.5-24.9

25-29.9

30 to 31

Q11. This type of fat distribution is generally difficult to lose but is not as risky for chronic diseases.

lower-body obesity

upper-body obesity

appendicular

none of the above

Q12. A reasonable weight-loss goal is:

A) no more than 1/4 pound per week

B) 1 to 2 pounds per week

C) 5 to 6 pounds per week

D) depends on one's dominant gland

Q13. A significant health hazard from obesity is:

A. ulcers

B. diverticulosis

C. type 2 diabetes

D. emphysema

Q14. The most effective treatment for obesity is:

A. an energy intake less than energy output.

B. diuretic therapy

C. use of hormones to increase basal metabolism.

D. a high-protein diet

Q15. Some nutrient needs in adulthood are lowered because of decreased needs for:

A. growth

B. maintenance

C. physical activity

Q23. Reduced form of NADP⁺ is