12th class (Fsc) Biology unit 1 MCQs
76. The incidence of calcium oxalate type stones of kidney are:
a. 60%
b. 40%
c. 70%
d. 50%
77. The high degree renal failure is called:
a. Uremia
b. End stage renal disease
c. Both A & B
d. Uredecty
78. The human abdominal cavity is lined by a thin epithelium called:
a. Peritoneum
b. Ectoderm
c. Epidermis
d. Endoderm
79. Hemodialysis means:
a. Diluting the blood
b. Removing the blood
c. Storing the blood
d. Clearing the flood
80. High level of circulating calcium in the blood is called:
a. Osteomalacia
b. Hypercalcemia
c. Hyperoxaluria
d. Hypoglycemia
81. The incidence of calcium phosphate stones in human are:
a. 15%
b. 5%
c. 20%
d. 10%
82. A disease caused by low level of calcium in the blood is called:
a. Tetany
b. Cramp
c. Tetanus
d. Paralysis
83. Super cool cytosol, without ice formation, is caused by:
a. Solutes
b. Heat shock proteins
c. Enzymes
d. Unsaturated fatty acids
84. Most land mammals respond to cold by raising their:
a. Bristies
b. Skin
c. Spines
d. Furs
85. Super cool cytosol without ice formation is caused by:
a. Solutes
b. Heat shock proteins
c. Enzymes
d. Unsaturated fatty acids
86. Which of the following is not endotherm?
a. Flying insects
b. Bird
c. Mammals
d. Amphibian
87. Which one of the following is an endotherm?
a. Birds
b. Humming bird
c. Bat
d. Reptiles
88. Activation of sweat glands to produce sweat for evaporative cooling is a type of adaptation:
a. Behavioral
b. Structural
c. None of these
d. Physiological
89. Bats and huming birds are called:
a. Heterotherms
b. Ectotherms
c. Mesotherms
d. Endotherms
90. Which one of the following is endotherm?
a. Birds
b. Humming bird
c. Bat
d. Reptiles
91. Which one of the following is not endoderm?
a. Flying insect
b. Bird
c. Mammal
d. Amphibian
92. Activation of sweat glands to produce sweat for evaporative cooling is a type of adaptation:
a. Behavioral
b. Structural
c. None of these
d. Physiological
93. Name the type of adaptations from the following that is responsible for shivering thermogenesis:
a. Behavioral
b. Structural
c. Physiological
d. None of these
94. The mechanism of evaporative cooling in respiratory tract of dog is known:
a. Thermoregulation
b. Painting
c. Vasodilation
d. Shievering thermogenesis
95. Chemical that cause fever and are produced from blood cells are:
a. Pyrogens
b. Bilirubin
c. Anti bodies
d. Interferons
96. The rate of heat production is increased by increasing muscle contraction, by movement is called:
a. Non Shivering thermogenesis
b. Thermoregulation
c. Thermostat
d. Shivering thermogenesis
97. Salvia and urine are used for evaporating cooling by:
a. Birds
b. Bat
c. Seals
d. Dogs
98. The body temperature regulation in human is based on complex hemostatic thermostat present in the:
a. Hypothalamus
b. Cerebrum
c. Thalamus
d. Medulla oblongata
99. In bacterial and virus infections, pathogens and leukocytes cell produce a chemical called:
a. Afflatoxins
b. Pyrexia
c. Pyrogen
d. Toxins
100. Human body temperature is controlled by:
a. Medulla
b. Hypothalamus
c. Cerebrum
d. Pons
101. Saliva and urine are used for evaporative cooling by:
a. Birds
b. Bat
c. Seals
d. Dogs
102. Which of the following act as homeostatic thermostat In humans?
a. Hypodermis
b. Thalamus
c. Cerebrum
d. Hypothalamus
103. The mechanism of evaporative cooling in respiratory tract of dog is known as:
a. Thermoregulation
b. Panting
c. Vasodilation
d. Shievering thermogenesis
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