Paper no.4 Biology

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MDCAT BIO PAPER 4

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120. Which one of the following vitamins is produced by the microflora of large

intestine?

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119. The layer which forms the lining of digestive tract and glands of digestion system

is:

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118. The cavity between body wall and alimentary canal is:

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117. Schistosoma is a parasite that lives in the_____of its host:

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116. Sleeping sickness in humans is caused by:

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115. When beef which is not properly cooked is consumed by humans, they may become infected by:

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114. Fungi which cause thrush in humans are:

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113. Which statement about bacteria is true?

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112. Antibiotic are produced by fungi and certain bacteria of group:

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111. Reserve transcriptase is used to make DNA copies of:

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110. All coenzymes are derived from:

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109. The view that active stie of an enzyme is flexible and when a substrate combines with it, cause changes in enzymes structure is known as:

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108. Optimum pH value for pancreatic lipase is:

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107. If the cofactor is covalently or tightly and permanently bonded to enzyme then it will be called

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106. Which of the following is a purine?

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105. Acylglycerols like fats and oils are esters formed by condensation reaction

between:

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104.  Amino acid in which the R-group is hydrogen is:

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103. Which of the following is a keto sugar?

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102. ______is the most abundant carbohydrate in nature:

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101. Down's syndrome is a result of non-disjunction of ____ pair of chromosomes that fails to segregate:

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100. The process by which unwanted structures within the cell are engulfed and digested within the lysosome is known as:

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99. The outer membrane of the nuclear envolope is at places continuous with the:

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98. The soluble part of the cytoplasm or fluid that remains when all organelles are removed is known as:

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97. Which of the following structures is absent in higher plants and found in animal

cells?

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96. Centrioles are made up of microtubules

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95. The enzymes of lysosomes are synthesized on:

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94. Lipid metabolism is the function of:

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93. The function of nucleolus is to make:

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92. The____model of plasma membrane suggests that protein are embedded in lipid

bilayer:

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91. The production of genetically identical copies of organisms by asexual

reproduction is called:

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