191. In which one of the following pairs of diseases both are caused by viruses ?

A Tetanus and typhoid
B Whooping cough and sleeping sickness
C Syphilis and AIDS
D Measles and rabies
Answer :   Measles and rabies
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192. Crustaceans, spiders and insects are able to regenerate their

A Head
B Thorax
C Limbs
D Abdomen
Answer :   Limbs
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193. The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of

A Taenia, a tapeworm
B Wuchereria, a filarial worm
C Rhizopus, a mould
D Ascaris, a round worm
Answer :   Rhizopus, a mould
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194. Agglutination occurs in blood present in a test tube. This indicate

A Antibodies are present in plasma
B Antibodies are present on R.B.C.
C Antigens are present in plasma
D Antibodies are present on R.B.C
Answer :   Antibodies are present on R.B.C.
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195. When volume of body increases due to increase in the volume of cells, not in the number of cells then it is called 'auxetic growth', such growth is found in

A Lizard
B Men
C Frogs
D Nematodes
Answer :   Nematodes
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196. Multiplicative growth is found in

A Old age
B Adult hood
C Embryo
D Child hood
Answer :   Embryo
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197. Which one of the body building material

A Protein
B Sugar
C Mineral salts
D Fat
Answer :   Protein
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198. Human immuno deficiency virus (HIV) has a protein coat and a genetic material which is

A single stranded DNA
B double stranded DNA
C single stranded RNA
D double stranded RNA
Answer :   single stranded RNA
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199. Cells obtained from cancerous tumors are known as

A Hybridomas
B Myelomas
C Polyclonal cells
D Monoclonal cells
Answer :   Myelomas
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200. Head quarter of World Health Organisation (WHO

A New York
B Geneva
C London
D Paris
Answer :   Geneva
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