Solved Past Papers MCQs of MDCAT 4

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Solved Past Papers MCQs of MDCAT for the preparation of Medical and Dental College Admission Test and other medical tests.

 

Q.201 Calcium ions released during a muscle fiber contraction attach with

A) Myosin C) Tropomyosin

B) Actin D) Troponin

 

Q.202 A muscle condition resulting from the accumulation of lactic acid and ionic imbalance is:

A) Tetany C) Cramp

B) Muscle Fatigue D) Tetanus

 

Q.203 The pigment which stores oxygen in muscles is

A) Hemoglobin C) Myosin

B) Myoglobin D) Actinomyosin

 

Q.204 Neurosecretory cells are present in which part of brain

A) Hypothalamus C) Pons

B) Midbrain D) Cerebellum

 

Q.205 Which of the following is the function of glucagon hormone?

A) Glycogen to Glucose C) Glucose to Lipids

B) Glucose to Glycogen D) Glucose to Proteins

 

Q.206 Addison’s disease is caused due to destruction of

A) Adrenal Cortex C) Adrenal Medulla

B) Pituitary Adrenal Axis D) Hypothalamus

 

Q.207 Which group of hormones is made up of amino acids and their derivatives?

A) Vasopressin and ADH C) Osterogen and Testosterone

B) Epinephrine and Non-Epinephrine D) Insulin and Glucagon

 

Q.208 Thymus gland is involved in maturation of

A) Platelets C) Eosinophils

B) B-Lymphocytes D) T-Lymphocytes

 

Q.209 In passive immunity which of the following component are injected into blood

A) Antigens C) Serum

B) Immunogens D) Immunoglobulins

 

Q.210 Mucous membranes are part of body defense system and they offer

A) Physical Barriers C) Chemical Barriers

B) Mechanical Barriers D) Biological Barriers

 

Q.211 Immediate protection is obtained from

A) Passive Immunity C) Vaccination

B) Active Immunity D) Natural Activity Immunity

 

Q.212 The immunity in which T-cells recognize the antigens or micro-organisms is known as

A) Tissue Grafting C) Cell Mediated Immunity / Response

B) Phagocytosis D) Hormonal Immunity / Response

 

Q.213 Oxidative phosphorylation, synthesis of ATP in the presence of oxygen occurs in:

A) All Types of Cells C) All Primitive Cells

B) All Anaerobic Cells D) All Aerobic Cells

 

Q.214 Glycolysis is the breakdown of glucose into two molecules of

A) Glycerate C) Pyruvate

B) Lactic Acid D) Succinic Acid

 

Q.215 Before entering Krebs’s cycle, the pyruvate is first decarboxylated and oxidized into

A) Alpha Ketoglutaric Acid C) Glyceric Acid

B) Citric Acid D) Acetic Acid

 

Q.216 Some electron from the second primary acceptor may pass back to chlorophyll molecules by electron carrier system, yielding ATP. This process is called

A) Phosphorylation C) Non-Cyclic Phosphorylation

B) Photophosphorylation D) Cyclic Phosphorylation

 

Q.217 Z-scheme is used for

A) Non-Cyclic Photophosphorylation C) Both Cyclic and Non-Cyclic Photophosphorylation

B) Cyclic Photophosphorylation D) Oxidative Phosphorylation

 

Q.218 The common vectors used in recombinant DNA technology are

A) Probes C) Plasmids

B) Palindromes D) Prions

 

Q.219 The enzyme used to isolate gene from DNA is

A) Helicase C) Restriction Enzyme

B) Reverse Transcriptase D) DNA Polymerase

 

Q.220 Which one of the following enzymes is temperature insensitive?

A) DNA Polymerase I C) DNA Polymerase III

B) Taq Polymerase D) RNA Polymerase

 

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