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Home⇒ Medical Science⇒ Biotechnology⇒ Biosensors and biochips
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of gene or gene products [other wrong options] [Discuss in forum] whole genome both (a) and (b) none of these |
Q2 ⇒ Microarrays are also known as all of these [other wrong options] [Discuss in forum] biochips DNA chips gene chips |
Q3 ⇒ Which of the following adaptations would it be desirable for a farmer to breed into a crop of wheat? All of these [other wrong options] [Discuss in forum] Early ripening Resistance to disease Resistance to pests |
Q4 ⇒ Microarray analysis involves biological assays based on small glass chips [other wrong options] [Discuss in forum] gels filters purification columns |
Q5 ⇒ Hypoxanthine can be measured by hypoxanthine sensor [other wrong options] [Discuss in forum] amorphous silicon ISFET urea sensor alcohol sensor |
Q6 ⇒ When a gardener takes a cutting from a plant, indicating that he has made a clone [other wrong options] [Discuss in forum] mutation new species new variety |
Q7 ⇒ To qualify as a micro array the analytical device must be all of these [other wrong options] [Discuss in forum] ordered microscopic planer and specific |
Q8 ⇒ An ordered array is any collection of analytical elements configured in rows and columns [other wrong options] [Discuss in forum] randomly circle none of these |
Q9 ⇒ Gene banks conserve stocks of seed and vegetative material both [other wrong options] [Discuss in forum] seed only vegetative material only none of these |
Q10 ⇒ When farmers breed new plants they choose the pollen from one variety of plant and place it onto the stigma of another variety of plant. This type of plant breeding is known as selective breeding [other wrong options] [Discuss in forum] pollination seed collection cuttings |
Q11 ⇒ Which of the following technology is used for micro array manufacturing? All of these [other wrong options] [Discuss in forum] Photolithography Ink jetting Contact printing |
Q12 ⇒ Single stranded circular RNA encapsidated with a larger RNA in a plant virus is a virusoid [other wrong options] [Discuss in forum] a virion a viroid none of these |
Q13 ⇒ Biochips are made up of semi-conducting molecules inserted into the protein frame work [other wrong options] [Discuss in forum] conducting molecules inserted into the protein frame work non-conducting molecules inserted into the protein frame work any of the above |
Q14 ⇒ Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell? The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell [other wrong options] [Discuss in forum] It travels on the legs of bees and sticks to the egg cell It blows in the wind None of the above |
Q15 ⇒ Microbiosensors are based on ionsensitive field effect transistor [other wrong options] [Discuss in forum] ions effect piezoelectric effect magnetic effect |
Q16 ⇒ The inosine and hypoxanthine can be determined simultaneously by using inosine sensor [other wrong options] [Discuss in forum] inosine and hypoxanthine sensor amorphous silicon ISFET urea sensor |
Q17 ⇒ What is the size (in kb) of the tobacco chloroplast genome? 155 kilobase [other wrong options] [Discuss in forum] 55 kilobase 325 kilobase 375 kilobase |
Q18 ⇒ Which of the following is correct about micro biosensors? All of these [other wrong options] [Discuss in forum] Implantation in human body and are suitable for in-vivo measurements Can be integrated on one chip and are useful for measuring various substrates in a small amount of sample solution simultaneously It is possible to develop disposable transducers for biosensors through mass production |