InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1101. |
Silencing of a gene could be achieved through the use of :A. short interfering RNA (RNAi)B. antisense RNAC. by both of the aboveD. none of the above |
| Answer» Correct Answer - C | |
| 1102. |
An example of gene silencing is:A. Bt-cottonB. Transgenic riceC. Flavr savr tomatoD. Transgenic maize |
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Answer» Correct Answer - C Gene silencing is a mechanism by which cells shut down large sections of chromosomal DNA. Gene silencing is done by incorporating the DNA to be silenced into a form of DNA called heterochromatin that is already silent. |
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| 1103. |
what is antisense technologyA. RNA polymerase producing DNAB. production of somaclonal variants in tissue culturesC. A cell displaying a foreign antigen used for synthesis of antigensD. When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene |
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Answer» Correct Answer - D Antisense technology was first effectively used in plants to alter the levels of various degradative enzymes or plant pigment . The technology was rapidly applied to mammalian cells and in 1992. |
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| 1104. |
Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic groupA. Paramecium and Plasmodium belong to the same kingdom as that of PenicilliumB. Lichen is a composite organism formed from the symbiotic association of an algae and a protozoanC. Yeast used in making bread and beer is a fungusD. Nostoc and Anabaena are examples kof protista |
| Answer» Correct Answer - C | |
| 1105. |
Which of the following is the examples of biofertilizers ?A. Gree manureB. Compost manureC. BGA and VAMD. Green manure & chemical fertilizers |
| Answer» Correct Answer - C | |
| 1106. |
(A) : DNA is a hydrophobic molecule. (R) : It can pass through cell membrane very easily.A. If both (A) and (R) are true and (R) is the correct explanation of (A).B. If both (A) and (R) are true but (R) is not the correct explanation of (A).C. If (A) is true but (R) is false.D. If both (A) and (R) are false. |
| Answer» Correct Answer - D | |
| 1107. |
A false claim to novelty and invention come under:A. Economic PiracyB. Resource PiracyC. Intellectual piracyD. None of these |
| Answer» Correct Answer - C | |
| 1108. |
The criteria for a patent are:A. utilityB. noveltyC. inventivenessD. all of these |
| Answer» Correct Answer - D | |
| 1109. |
Biopatents are awarded for the following:A. Strains of microorganismsB. DNA sequencesC. Cell linesD. all of the above |
| Answer» Correct Answer - D | |
| 1110. |
Who grants a patent?A. Local bodyB. Legal systemC. State governmentD. Central government |
| Answer» Correct Answer - B | |
| 1111. |
What right does a patent-holder have?A. Right to makeB. Right to useC. Right to exportD. All of these |
| Answer» Correct Answer - D | |
| 1112. |
The patent is grant for a fixed period of time, generally for:A. five yearsB. ten yearsC. twenty yearsD. fifteen years |
| Answer» Correct Answer - C | |
| 1113. |
Trangenic animals are generally produced for all of the following needs except:A. testing of chemical safetyB. testing of vaccine safetyC. stimulation of pathogenicityD. production of pharmacologically important proteins |
| Answer» Correct Answer - C | |
| 1114. |
A scientist wants to protect a part of a DNA from attack by restriction enzymes. Design first step of his experiment? |
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Answer» Methylation Student will add a methyl group to one or two bases within the sequence recognized by enzyme. |
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| 1115. |
It is preferable to use yeast rather than bacteria as recipient cells for recombination of eukaryotic DNA because yeast canA. produce restriction enzymesB. excise introns from the RNA transcriptC. remove methy groupsD. reproduce at faster rate |
| Answer» Correct Answer - b | |
| 1116. |
The cloning vectors M13 has genetic materialA. ssRNAB. dsRNAC. ssDNAD. dsDNA |
| Answer» Correct Answer - c | |