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1626. The organ which destroys worn out RBCs in the body of a vertebrate is
A. pancreas
B. liver
C. bone narrow
D. spleen
Explanation:
1627. The anode in a dry cell consists of
A. graphite
B. zinc
C. copper
D. cadmum
Explanation:
1628. Which of the following is used in pencils ?
A. Charcoal
B. Silicon
C. Phosphorus
D. Graphite
Explanation:
1629. The process by which an organic compound breals down into simpler compounds on heating to high temperature is known as
A. Aromatisation
B. Polymerisation
C. Pyrolysis
D. Reduction
Explanation:
1630. Which of the following statements regarding the pressure cooker is not true ?
A. Steam helps to cook food earlier.
B. Under high pressure, the boiling point of a liquid decreases.
C. It leads to the saving in terms of fuel consumption.
D. None of these
Explanation:
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