Directions: In the questions given below, four options have been given. Click on the option which you think is the RIGHT ANSWER to the question.

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76. Tendons through which muscles are connected to bones are tightly compacted bundles of which one of the following long fibrous protein?

77. In which of the following is extra blood stored and released when shortage occurs?

78. In which part of the human body is the macula situated?

79. Which blood protein is responsible for blood coagulation?

80. Which of the following is responsible for the dark colour of human skin?

81. In human body labyrinth is a part of –

82. On which part of the eye is the image of an object formed?

83. Which acid is produced in the muscle cells during anaerobic respiration?

84. Finger-like structures called villi are found in –

85. Which part of the body mainly absorbs water from undigested food?

86. Which is the chief nitrogenous waste in the human body?

87. What causes muscle cramps after heavy exercise?

88. Which of the following is known as animal starch?


89. Chromosomes are present in the

90. Which organ in human throat helps produce sounds?

91. Urea is produced by the metabolism of -

92. Which of the following cell is long and branched?

93. Which of the following is the primary function of haemoglobin?

94. The frequency range of hearing for humans is –

95. Who was the first scientist to isolate DNA?

96. How many ventricles does the brain have?

97. Which is the largest part of the brain?

98. Olfactory nerve is related to the human's sense of –

99. Where in the human body is the Circle of Willis found?

100. Which of the following produces melatonin?