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Biotechnology Objective Questions { Biosensors and Biochips }



1.  A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of
A.gene or gene products
B.whole genome
C.both (a) and (b)
D.none of these
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2. Biochips are made up of
A.semi-conducting molecules inserted into the protein frame work
B.conducting molecules inserted into the protein frame work
C.non-conducting molecules inserted into the protein frame work
D.any of the above
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3. Hypoxanthine can be measured by
A.hypoxanthine sensor
B.amorphous silicon ISFET
C.urea sensor
D.alcohol sensor
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4. Which of the following technology is used for micro array manufacturing?
A.Photolithography
B.Ink jetting
C.Contact printing
D.All of these
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5.  Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat?
A.Early ripening
B.Resistance to disease
C.Resistance to pests
D.All of these
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6. What is the size (in kb) of the tobacco chloroplast genome?
A.55 kilobase
B.155 kilobase
C.325 kilobase
D.375 kilobase
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7. Gene banks conserve stocks of
A.seed only
B.vegetative material only
C.seed and vegetative material both
D.none of these
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