Biochemistry MCQ 373+

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• How many autosomes are there in humans?
  ক

  21 pairs

  খ

  44

  গ

  46

  ঘ

  48
• Which of the following is not an essential amino acid?
  ক

  Glycine

  খ

  Leucine

  গ

  Methionine

  ঘ

  Histidine
• Which of the following is a false statement?
  ক

  α-Keratin is α helical

  খ

  Collagen is α helical

  গ

  Hemoglobin has a quaternary structure

  ঘ

  α-Keratin is β pleated structure
• About urinalysis
  ক

  Dysmorphic RBC are significant for glomerular origin

  খ

  RBC casts are important to detect glomerulonephritis

  গ

  Hyaline cast may present in healthy person

  ঘ

  Eumorphic RBC are significant for glomerulonephritis

  ঙ

  Granular cast is a feature of pyelonephritis
• Minerals used in the initial management of protein energy malnutrition are
  ক

  Zinc

  খ

  Magnesium

  গ

  Potassium

  ঘ

  Sodium

  ঙ

  Iron
• Features of kwashiorkor include
  ক

  Moon face

  খ

  Mental apathy

  গ

  Leg edema

  ঘ

  Irritability

  ঙ

  Buffalo hump
• Calcium absorption is
  ক

  Decreased by calcitonin

  খ

  Decreased in chronic pancreatitis

  গ

  Increased in diet containing high protein

  ঘ

  Increased in coeliac disease

  ঙ

  Increased in high phosphate diets
• Factors affecting bone mass are
  ক

  Menopause

  খ

  Immobility

  গ

  Smoking

  ঘ

  Vitamin A & E deficiency

  ঙ

  Magnesium deficiency
• Causes of smooth tongue are
  ক

  Vitamin B12 deficiency

  খ

  Folic acid deficiency

  গ

  Iron deficiency

  ঘ

  Pellagra

  ঙ

  Copper deficiency
• Skin changes may result from deficiency of
  ক

  Zinc

  খ

  Vitamin A

  গ

  Vitamin D

  ঘ

  Pyridoxine

  ঙ

  Fluoride
• Skin changes are seen in the deficiency of following nutrients
  ক

  Vitamin A

  খ

  Zinc

  গ

  Iodine

  ঘ

  Vitamin K

  ঙ

  Folic acid
• A person's daily calorie requirement depends on
  ক

  Basal metabolic rate

  খ

  Thermic effect of food

  গ

  Physical activity

  ঘ

  Body temperature

  ঙ

  Vitamin intake
• Dietary fibres
  ক

  Are not absorbed from the gut

  খ

  Lower the blood cholesterol level

  গ

  Prevent constipation

  ঘ

  Are monosaccharides

  ঙ

  Increase incidence of colon cancer
• Serum magnesium level is reduced in
  ক

  Severe diarrhea

  খ

  Chronic dialysis

  গ

  Acute renal disease

  ঘ

  Hyperthyroidism

  ঙ

  Idiopathic hypercalcaemia
• Trace elements include
  ক

  Iron

  খ

  Selenium

  গ

  Sodium

  ঘ

  Magnesium

  ঙ

  Phosphorus
• Trace elements are
  ক

  Iron

  খ

  Selenium

  গ

  Sodium

  ঘ

  Magnesium

  ঙ

  Phosphorus
• Important features of zinc deficiency are
  ক

  Perioral ulceration

  খ

  Mental retardation

  গ

  Diarrhoea

  ঘ

  Raw beef tongue

  ঙ

  Hypoproteinemia
• Minerals having structural function include
  ক

  Calcium

  খ

  Magnesium

  গ

  Phosphorus

  ঘ

  Sodium

  ঙ

  Potassium
• Significant amount of iron is present in
  ক

  RBC

  খ

  Liver

  গ

  Spleen

  ঘ

  Muscle

  ঙ

  Serum
• Zinc deficiency causes
  ক

  Skin ulcer

  খ

  Depressed immune response

  গ

  Hypogonadal dwarfism

  ঘ

  Hypothyroidism

  ঙ

  Peptic ulcer
• Zinc
  ক

  Is an essential component of carbonic anhydrase

  খ

  Is necessary for wound healing

  গ

  Is used following diarrhea

  ঘ

  Deficiency causes goiter

  ঙ

  Helps in iron absorption from gut
• Pyridoxine deficiency may occur in
  ক

  Isoniazid therapy

  খ

  Beriberi

  গ

  Wernicke’s Korsakoff syndrome

  ঘ

  Use of oral contraceptives

  ঙ

  Turner’s syndrome
• Niacin deficiency leads to development of
  ক

  Pellagra

  খ

  Scurvy

  গ

  Peripheral neuropathy

  ঘ

  Beriberi

  ঙ

  Osteomalacia
• Thiamine pyrophosphate is an essential co-enzyme of
  ক

  Conversion of pyruvate to acetyl COA

  খ

  Conversion of α-Ketogluterate to succinate

  গ

  Transketolase in HMP – shunt

  ঘ

  Transamination reaction

  ঙ

  Heme synthesis
• Thiamine deficiency can cause
  ক

  Heart failure

  খ

  Polyneuropathy

  গ

  Ophthalmoplegia

  ঘ

  Diarrhoea

  ঙ

  Dermatitis
• Thiamine deficiency leads to
  ক

  Confusion

  খ

  Cardiac failure

  গ

  Peripheral neuropathy

  ঘ

  Ophthalmoplegia

  ঙ

  Osteopenia
• Followings are the results of folate deficiency
  ক

  Anencephaly

  খ

  Meningomyelocele

  গ

  Dementia

  ঘ

  Microcytosis in peripheral blood

  ঙ

  Cholelithiasis
• Folate deficiency occurs in
  ক

  Tropical sprue

  খ

  Celiac sprue

  গ

  Post-gastrectomy state

  ঘ

  Pernicious anemia

  ঙ

  Small intestinal bacterial overgrowth
• Neurological complications of vitamin B12 include
  ক

  Dementia

  খ

  Loss of vibration and position sense

  গ

  Autonomic disturbance

  ঘ

  Papilloedema

  ঙ

  Degeneration of anterior column of spinal cord
• Vitamin B12 contains
  ক

  A cobalt atom

  খ

  A corrin ring

  গ

  An iron atom

  ঘ

  A magnesium atom

  ঙ

  A porphyrin ring