21. Fertilization in Plasmodium vivax occurs in

A Salivary glands of man
B RBC of man
C Crop of female Anopheles mosquito
D Crop wall of female Anopheles mosquito
Answer :   Crop of female Anopheles mosquito
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22. Which one of the following factors has contributed most in the rapid rise of human population in the present century

A Decrease in infant mortality
B Polygamy
C Decrease in birth rate
D Increase in death rate
Answer :   Decrease in infant mortality
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23. Huntington chorea is a disease

A Which affect the kidney
B In which degeneration of nervous system leading to involuntary shaking of head, arms and legs
C Common in korea
D Similar to diabeters
Answer :   In which degeneration of nervous system leading to involuntary shaking of head, arms and legs
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24. Which one of the following is a hallucinogenic drug?

A Opium
B Caffeine
C Morphine
D Lysergic acid diethylamide
Answer :   Lysergic acid diethylamide
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25. Schizont stages of Plasmodium vivax in man are found in

A Erhthrocytes only
B Erythrocytes and liver cells
C Liver cell only
D Erhthrocytes liver cells and spleen
Answer :   Erythrocytes and liver cells
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26. Sporogony in the life of Plasmodium occurs in

A RBC of man
B Liver of man
C Salivary glands of mosquito
D Stomach wall of mosquito
Answer :   Stomach wall of mosquito
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27. ELISA is used to detect viruses, where

A DNA-probes are required
B Southern bloting is done
C Alkaline phosphatase is the key reagent
D Catalase is the key reagent
Answer :   Alkaline phosphatase is the key reagent
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28. Which of the following diseases is due to an allergic reaction?

A Goitre
B Skin cancer
C Hay fever
D Enteric fever
Answer :   Hay fever
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29. Dew drop like appearance on trunk is caused by which virus

A Corona virus
B Myxo virus
C Vericella virus
D Arbo virus
Answer :   Vericella virus
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30. Cancer cells are more easily damaged by radiation than normal cells because they are

A starved of mutation
B undergoing rapid division
C different in structure
D non-dividing
Answer :   undergoing rapid division
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