The major cell infected by the HIV is lymphocyte ?
A. helper-T
B. B
C. both T and B
D. none of these
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Biology
Which disease can be controlled by vaccination?
A. Measles
B. Cancer
C. Diabetes
D. Heart attack
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Smallest disease causing agents in plants are ?
A. virion
B. mycoplasma
C. viroids
D. prions
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What is the mode of transmission of Hepatitis virus?
A. Aerosol
B. Parentral (via blood)
C. Skin penetration
D. Unknown
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Protein factory is
A. nucleus
B. ribosome
C. golgi complex
D. centriole
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Which statement is incorrect for pasteurization?
A. It is used to preserve yogurt and milk
B. It was developed by Louis Pasteur.
C. It involves heating the substance at high temperature for just few sec.
D. It can be used to preserve vegetables and meat.
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Number of chromosomes in E.coli ?
A. 1
B. 2
C. 4
D. 6
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Astronauts may use which technique to grow fruits and vegetables ?
A. Tissue culture techniques
B. Cloning
C. Pasterisation
D. Hydroponic culture technique
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Messenger RNA is formed in
A.nucleus
B.chloroplast
C.mitochondria
D.none of these
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Co-enzyme is often formed from ?
A. lipid
B. protein
C. inorganic ion
D. vitamin
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