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1071. The organ which destroys worn out RBCs in the body of a vertebrate is :
A. pancreas
B. liver
C. bone narrow
D. spleen
Explanation:
1072. Which of the following theories was not proposed by Charles Darwin ?
A. Natural selection
B. Survival of the fittest
C. Struggle for existence
D. Inheritance of acquired characters
Explanation:
1073. The biological process accomplished in preparing wine from grapes is very similar to the one involved in the preparation of :
A. curd from milk
B. cream from milk
C. quinine from cinchona
D. penicillin from penicillium
Explanation:
1074. Lungs are situated in :
A. buccal cavity
B. pericardial cavity
C. thoractic cavity
D. abdominal cavity
Explanation:
1075. In which one of the following types of cell divisions does crossing over of chromosomes takes place ?
A. Mitosis
B. Meiosis
C. Amitosis
D. Cytokinesis
Explanation:
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