571. Euthanasia (mercy killing) was first legalized in

A Switzerland
B Netherland
C France
D Italy
Answer :   Netherland
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572. Number of Barr body present in a female child with down syndrome

A 0
B 1
C 2
D All are correct
Answer :   1
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573. Count of which blood corpuslcles increases during malaria

A Lymphocytes
B Neutorophils
C R.B.C.
D Monocytes
Answer :   Lymphocytes
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574. In 1981 population of India was

A 550 million
B 1032 million
C 840 million
D 680 million
Answer :   680 million
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575. Double signetring and crescent gametocyte re characteristic of

A Plasmodium ovale
B Plasmodium vivax
C Plasmodium falciparum
D Plasmodium malariae
Answer :   Plasmodium falciparum
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576. Identify the wrong statement with reference to immunity.

A When ready-made antibodies are directly given, it is called "Passive immunity"
B Active immunity is quick and gives full response
C Foetus receives some antibodies from mother, it is an example for passive immunity
D When exposed to antigen (living or dead) antibodies are produced in the host's body. It is called "Active immunity"
Answer :   Active immunity is quick and gives full response
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577. A very much publicized treatment method "DOTS" is being adopted for the cure of

A Dimentia
B Tetanus
C Tuberculosis
D Sexually transmitted disease
Answer :   Tuberculosis
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578. Coca alkaloid or cocaine is obtained from :

A Datra
B Papaver somniferum
C Atropa belladonna
D Erythroxylum coca
Answer :   Erythroxylum coca
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579. HIV infects

A RBC
B T- helper cells
C B-cells
D Basophils
Answer :   T- helper cells
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580. Sex ratio in a species is due to numerical relation between

A Blacks and Whites
B Unisexual and Bisexual
C Male and female producing Gamets
D None of the above
Answer :   Male and female producing Gamets
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