Miscellaneous Biochemistry MCQs

Option A: G proteins bind to hormones on the cell surface

Option B: All the three subunits alpha, beta and gamma should bind each other for G protein to act

Option C: G Proteins act as inhibitory and excitatory because of difference in alpha subunit

Option D: G protein is bound to GTP in resting state

Correct Answer: G Proteins act as inhibitory and excitatory because of difference in alpha subunit ✔

Option A: Electrical insulators

Option B: Irons

Option C: Non electrical insulators

Option D: Electrolytes

Correct Answer: Electrical insulators ✔

Option A: Myoglobin

Option B: Cytochrome

Option C: Catalase

Option D: Pyruvate kinase

Correct Answer: Pyruvate kinase ✔

Option A: Rice

Option B: Human milk

Option C: Egg yolk

Option D: Cow’s milk

Correct Answer: Rice ✔

Option A: Transferrin

Option B: Ferritin

Option C: Apoferritin

Option D: Lactoferrin

Correct Answer: Transferrin ✔

Option A: Proximal segment of small intestine

Option B: Middle segment of small intestine

Option C: Ascending colon

Option D: Ileum

Correct Answer: Proximal segment of small intestine ✔

Option A: Oxidase

Option B: Hydrolase

Option C: Peroxidase

Option D: Dehydrogenase

Correct Answer: Oxidase ✔

Option A: Integrin a6-B4

Option B: The catenins desmoplakin

Option C: cadherins desmoglein

Option D: a and B catenin

Correct Answer: Integrin a6-B4 ✔

Option A: Glutamate

Option B: Acetoacetate

Option C: Cholesterol

Option D: Glycine

Correct Answer: Acetoacetate ✔

Option A: Watson and Crick

Option B: Edwarg Angle

Option C: G.V Black

Option D: Singer and Nicolson

Correct Answer: Singer and Nicolson ✔

Option A: Glutathione peroxidase

Option B: Catalase

Option C: Superoxide dismutase

Option D: Myeloperoxidase

Correct Answer: Myeloperoxidase ✔

Option A: Real time PCR

Option B: Widal test

Option C: Electrophoresis

Option D: Immunofluoresence

Correct Answer: Real time PCR ✔

Option A: Cyclic AMP

Option B: Cyclic GMP

Option C: Adenosine cyclate

Option D: Calcium release

Correct Answer: Cyclic AMP ✔

Option A: Increased

Option B: Decreased

Option C: Uchanged

Option D: Has no effect

Correct Answer: Decreased ✔

Option A: Deposition of chondroitin sulfate

Option B: Lipolysis

Option C: Gluconeogenesis

Option D: Decreased rate of glucose uptake by cells

Correct Answer: Deposition of chondroitin sulfate ✔

Option A: Repaglinide

Option B: Voglibose

Option C: Exanatide

Option D: Rosiglitgazone

Correct Answer: Rosiglitgazone ✔

Option A: 200 mg/dl

Option B: 180 mg/dl

Option C: 150 mg/dl

Option D: 120 mg/dl

Correct Answer: 200 mg/dl ✔

Option A: < 135 mmol/L

Option B: >135 mmol/L

Option C: < 160 mmo/L

Option D: < 100 mmo/L

Correct Answer: < 135 mmol/L ✔

Option A: Normal metabolism

Option B: Oxygen toxicity

Option C: Reperfusion after ischemic injury

Option D: All of the above

Correct Answer: Reperfusion after ischemic injury ✔

Option A: Penicillin

Option B: Lysozyme

Option C: Betalysine

Option D: Lactoperoxidase

Correct Answer: Betalysine ✔

Option A: Energy

Option B: Utility

Option C: Collectivity

Option D: None of the above

Correct Answer: None of the above ✔

Option A: nidogen

Option B: Laminin

Option C: Eutactin

Option D: Rhodopsin

Correct Answer: Rhodopsin ✔

Option A: Proteins

Option B: Carbohydrates

Option C: Fat

Option D: Fibre rich diet

Correct Answer: Fibre rich diet ✔

Option A: Carbohydrates

Option B: Fibres

Option C: Fats

Option D: Micronutrients

Correct Answer: Fibres ✔

Option A: Single unpaired electron in an outer orbit

Option B: Single paired electron in an outer orbit

Option C: Double unpaired electron in an outer orbit

Option D: Double paired electron in an outer orbit

Correct Answer: Single unpaired electron in an outer orbit ✔

Option A: Cyclic AMP

Option B: Calcium ions

Option C: Cyclic GMP

Option D: Prostacyclins

Correct Answer: Cyclic GMP ✔

Option A: Unfolding occurs

Option B: Disruption of secondary structure occurs

Option C: Sequence of amino acids remain the same

Option D: Biological activity is retained

Correct Answer: Biological activity is retained ✔

Option A: Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG

Option B: Hypoxia inhibits hexokinase

Option C: Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane

Option D: Activation of the regulatory enzymes by high PH

Correct Answer: Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane ✔

Option A: Laminin

Option B: Fibronectin

Option C: E – Cadherins

Option D: Tenascin

Correct Answer: Laminin ✔

Option A: 100-400 Bodansky units

Option B: 1000-4000 Bodansky units

Option C: 0.1-0.4 Bodansky units

Option D: 1-4 Bodansky units

Correct Answer: 1-4 Bodansky units ✔

Option A: Bile acids

Option B: Steroid hormones

Option C: Vitamin D

Option D: Energy

Correct Answer: Energy ✔

Option A: Alcohol dehydrogenase

Option B: Acetaldehyde dehydrogenase

Option C: Catalase

Option D: Enolase

Correct Answer: Alcohol dehydrogenase ✔

Option A: 280 to 295

Option B: 300 to 320

Option C: 350 to 375

Option D: 200 to 250

Correct Answer: 280 to 295 ✔

Option A: 4

Option B: 7

Option C: 9

Option D: 5

Correct Answer: 9 ✔

Option A: Kidney

Option B: Liver

Option C: Spleen

Option D: Bone marrow

Correct Answer: Spleen ✔