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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 7251. |
Somatostatin or human growth hormone (HGH) for the first time was genetically isolated by |
| A. | Benting and Best |
| B. | Ross |
| C. | Pasteur |
| D. | Goeddel |
| Answer» E. | |
| 7252. |
The transfer of protein from electrophoretic gel to nitrocellulose membrane is known as [MP PMT 2003] |
| A. | Transferase |
| B. | Northern blotting |
| C. | Western blotting |
| D. | Southern blotting |
| Answer» D. Southern blotting | |
| 7253. |
Golden rice is a transgenic crop of the future with the following improved trait [CBSE PMT 2003] |
| A. | High lysine (essential amino acid) content |
| B. | Insect resistance |
| C. | High protein content |
| D. | High vitamin-A content |
| Answer» E. | |
| 7254. |
Production of a human protein in bacteria by genetic engineering is possible because [CBSE PMT 2003, 05] |
| A. | Bacterial cell can carry out the RNA splicing reactions |
| B. | The human chromosome can replicate bacterial cell |
| C. | The mechanism of gene regulation is identical in humans and bacteria |
| D. | The genetic code is universal |
| Answer» E. | |
| 7255. |
The best HLA (human leucocyte antigen) match for transplant in order of preference is [Kerala CET 2005] |
| A. | Parent > sibling > twin > unrelated donor |
| B. | Sibling > twin > parent > unrelated donor |
| C. | Twin > sibling > parent > unrelated donor |
| D. | Twin > unrelated donor > parent > sibling |
| E. | Sibling > parent > twin > unrelated donor |
| Answer» D. Twin > unrelated donor > parent > sibling | |
| 7256. |
The frequency of an allele in an isolated population may change due to [CBSE PMT 1992, 2001] |
| A. | Gene flow |
| B. | Mutation |
| C. | Genetic drift |
| D. | Natural selection |
| Answer» D. Natural selection | |
| 7257. |
ANDI is cloned [Kerala CET 2002] |
| A. | Sheep |
| B. | Bull |
| C. | Monkey |
| D. | Cat |
| Answer» D. Cat | |
| 7258. |
First cloned animal is [CBSE PMT 2000] |
| A. | Dog |
| B. | Molly |
| C. | Dolly sheep |
| D. | Polly sheep |
| Answer» D. Polly sheep | |
| 7259. |
A distinct mechanism that usually involves a short segment of DNA with remarkable capacity to move from one location in a chromosome to another, this is called [BHU 1999] |
| A. | DNA replication |
| B. | DNA transposition |
| C. | DNA hybridization |
| D. | DNA recombination |
| Answer» C. DNA hybridization | |
| 7260. |
Trade name of genetically engineered insulin is |
| A. | Anulin |
| B. | Beta insulin |
| C. | Humilin |
| D. | Gilbert's insulin |
| Answer» D. Gilbert's insulin | |
| 7261. |
Recombinant DNA technology is related with [BHU 1999] |
| A. | C. Darwin |
| B. | Stanley Cohen |
| C. | Herbert Boyer |
| D. | Both [b] and [c] |
| Answer» E. | |
| 7262. |
Genetic drift operates only in [CBSE PMT 1998] |
| A. | Island populations |
| B. | Smaller populations |
| C. | Larger populations |
| D. | Mendelian populations |
| Answer» C. Larger populations | |
| 7263. |
The confirmatory test used to diagnose AIDS is [Kerala PMT 2004] |
| A. | ELISA |
| B. | Western blot |
| C. | ESR |
| D. | PCR |
| E. | None of these |
| Answer» C. ESR | |
| 7264. |
Restriction endonuclease is used in [MP PMT 1997, 99, 2000] |
| A. | Genetic engineering |
| B. | Tissue culture |
| C. | Cell fractionation |
| D. | Regeneration of tissues |
| Answer» B. Tissue culture | |
| 7265. |
Tissue culture was launched by [MP PMT 1999] |
| A. | Harrison |
| B. | Carrel |
| C. | Mendel |
| D. | Khorana |
| Answer» B. Carrel | |
| 7266. |
Which of the following organelles is related with genetic engineering [CBSE PMT 1994; BVP 2004] |
| A. | Golgi apparatus |
| B. | Lysosomes |
| C. | Mitochondria |
| D. | Plasmids |
| Answer» E. | |
| 7267. |
The process of joining together different DNA fragments is often referred to as [MP PMT 1994] |
| A. | Transcription |
| B. | Cloning |
| C. | Gene splicing |
| D. | DNA amplification |
| Answer» D. DNA amplification | |
| 7268. |
Which one of the following techniques is employed in human genetic counselling [Kerala CET 2005] |
| A. | Serological technique |
| B. | Polyploidy |
| C. | Genetic engineering |
| D. | Amniocentesis |
| E. | Pedigree analysis |
| Answer» F. | |
| 7269. |
Gene synthesis is related to [CPMT 1991; J&K CET 2005] |
| A. | V. Baer |
| B. | H.G. Khorana |
| C. | L. Pasteur |
| D. | C. Linnaeus |
| Answer» C. L. Pasteur | |
| 7270. |
Genetically engineered insulin can be obtained by |
| A. | Recombinant DNA technique with the help of E. coli |
| B. | Two coded insulin genes separated then incorporated into bacteria |
| C. | The extraction of cow's and pig's pancreas |
| D. | Technique not developed till now |
| Answer» B. Two coded insulin genes separated then incorporated into bacteria | |
| 7271. |
Who among the following scientists is associated with the discoveries in genetic engineering [CBSE PMT 1993] |
| A. | Khorana |
| B. | Watson |
| C. | Crick |
| D. | Messelson |
| Answer» B. Watson | |
| 7272. |
Genetic engineering means [CMC Vellore 1993] |
| A. | Manipulation of cell contents |
| B. | Test tube babies |
| C. | Manipulation of cytochromes |
| D. | Manipulation of genes |
| Answer» E. | |
| 7273. |
?Tissue culture'' means [MP PMT 1993] |
| A. | Cultivation of tissue in laboratory through formation of new cells |
| B. | Introduction of new tissue in an animal body |
| C. | A technique for maintaining fragments of cells alive after their removal from an organism |
| D. | Maintaining tissue alive by immersing it partially in a nutrient fluid |
| Answer» B. Introduction of new tissue in an animal body | |
| 7274. |
Branch dealing with genetic engineering is [MP PMT 1993] |
| A. | Eugenics |
| B. | Euthenics |
| C. | Euphenics |
| D. | None of these |
| Answer» D. None of these | |
| 7275. |
Donor and recipient of the transplanting tissue is the same person. This type of grafting is known as |
| A. | Xenograft |
| B. | Autograft |
| C. | Self graft |
| D. | Holograft |
| Answer» C. Self graft | |
| 7276. |
Grafting between two different species is |
| A. | Allograft |
| B. | Intergraft |
| C. | Xenograft |
| D. | Heterograft |
| Answer» D. Heterograft | |
| 7277. |
The grafting principle depends upon the |
| A. | Close blood relationship |
| B. | Similar immune system |
| C. | Only genetic similarity is required |
| D. | Blood groups, immune system and genetic combination |
| Answer» E. | |
| 7278. |
The interferon which is synthesised by WBC is known as |
| A. | Fibroblastic interferon |
| B. | Immune interferon |
| C. | Leucocytic interferon |
| D. | None of the above |
| Answer» D. None of the above | |
| 7279. |
Which one of the following is a first genetic engineered medicine |
| A. | Humulin |
| B. | Somatostatin |
| C. | Interferon |
| D. | Human growth hormone |
| Answer» B. Somatostatin | |
| 7280. |
Zinder and Laderburg showed the process of transduction in which one of the following bacteria |
| A. | Salmonella typhimurium |
| B. | E. coli |
| C. | Diplococcus pneumoniae |
| D. | Shigella |
| Answer» B. E. coli | |
| 7281. |
Callus is [Wardha 2005] |
| A. | Undifferentiated mass of tissue |
| B. | Root formation in culture media |
| C. | Plant hormones |
| D. | Plant byproduct |
| Answer» B. Root formation in culture media | |
| 7282. |
Somatic hybrids are produced by [Manipal 2005] |
| A. | Protoplast fusion |
| B. | Tissue culture |
| C. | Pollen culture |
| D. | Hybridoma process |
| Answer» B. Tissue culture | |
| 7283. |
Which one of the following is indispensable in genetic engineering |
| A. | DNA ligase |
| B. | DNA polymerase |
| C. | RNA polymerase |
| D. | Reverse transcription |
| Answer» B. DNA polymerase | |
| 7284. |
Protoplasts of two different species are fused in [MHCET 2004] |
| A. | Micropropagation |
| B. | Somatic hybridization |
| C. | Clonal propagation |
| D. | Organography |
| Answer» C. Clonal propagation | |
| 7285. |
Hybrid vigour is due to [DPMT 2004; MHCET 2004] |
| A. | Heterosis |
| B. | Epistasis |
| C. | Complementary genes |
| D. | Supplementary genes |
| Answer» B. Epistasis | |
| 7286. |
A cybrid is a hybrid carrying [Kerala PMT 2004] |
| A. | Cytoplasms of two different plants |
| B. | Genomes and cytoplasms of two different plants |
| C. | Cytoplasms of two different plants and genome of one plant |
| D. | Genomes of two different plants |
| E. | Cytoplasms of several plants and genomes of two plants |
| Answer» D. Genomes of two different plants | |
| 7287. |
The technique of obtaining large number of plantlets by tissue culture method is called [CBSE PMT 2004] |
| A. | Micropropagation |
| B. | Macropropagation |
| C. | Plantlet culture |
| D. | organ culture |
| Answer» B. Macropropagation | |
| 7288. |
Which enzyme is used for the separation of genetic material [AFMC 2004] |
| A. | Ligase |
| B. | Restriction endonuclease |
| C. | Hydrolase |
| D. | Amylase |
| Answer» C. Hydrolase | |
| 7289. |
Who amongst the following received Nobel Prize in 1970 for his outstanding research contribution [HP PMT 2005] |
| A. | Robert W. Holley |
| B. | Waston and Crick |
| C. | Norman E. Borlaug |
| D. | Avery |
| Answer» D. Avery | |
| 7290. |
Abnormal gene is replaced by normal genes through [DPMT 2004] |
| A. | Gene therapy |
| B. | Medicines |
| C. | Cloning |
| D. | Radiation |
| Answer» B. Medicines | |
| 7291. |
Cultivation of Bt Cotton has been much in the news. The prefix "Bt" means [AIIMS 2004] |
| A. | "Barium-treated" cotton seeds |
| B. | "Bigger thread" variety of cotton with better tensile strength |
| C. | Production by "biotechnology" using restriction enzymes and ligases |
| D. | Carrying an endotoxin gene from Bacillus thuringiensis |
| Answer» E. | |
| 7292. |
Widely used tool in genetic engineering of crop plants involves [AIEEE 2004] |
| A. | protoplast fusion |
| B. | Agrobacterium mediation |
| C. | Transposon mediation |
| D. | Microinjection |
| Answer» C. Transposon mediation | |
| 7293. |
The organism which is used for gene transfer in higher organism is [DPMT 2003; BVP 2004] |
| A. | Agrobacterium tumefacians |
| B. | E. coli |
| C. | Acetobacter |
| D. | Bacillus thuringenesis |
| Answer» B. E. coli | |
| 7294. |
The genetically engineered crop which has been recently introduced in India is [AIEEE 2003] |
| A. | Herbicide tolerant maize |
| B. | Bt cotton |
| C. | Slow ripening tomato |
| D. | Golden rice |
| Answer» C. Slow ripening tomato | |
| 7295. |
A human gene product can be produced by genetically engineered bacteria. This is possible because the [AIEEE 2003] |
| A. | Genetic code is universal |
| B. | Human chromosome can replicate in bacterial cell |
| C. | Bacterial cell can carry out the splicing reaction |
| D. | Mechanism of gene regulation is identical in humans and bacteria |
| Answer» B. Human chromosome can replicate in bacterial cell | |
| 7296. |
When two plants growing in different season and different geographical area, they can produce hybrid by [BHU 2003] |
| A. | Pollen culture |
| B. | Tissue culture |
| C. | Somatic embryogenesis |
| D. | Invitro synthesis |
| Answer» C. Somatic embryogenesis | |
| 7297. |
Hybrid vigour is mostly due to [Pb. PMT 2000; MHCET 2003, 04; DPMT 2004] |
| A. | Superiority of all the genes |
| B. | Homozygosity of pure characters |
| C. | Heterozygosity |
| D. | None of these |
| Answer» D. None of these | |
| 7298. |
Transgenic plants are [Orissa PMT 2002] |
| A. | Plants having no gene |
| B. | Plants in which gene are present in an opposite or transposition |
| C. | Plants in which genes have no function to perform |
| D. | Plants in which genes of another organism have been implanted |
| Answer» E. | |
| 7299. |
In which bacteria gene of insulin was cloned |
| A. | E. coli |
| B. | Clostridium |
| C. | Shigella |
| D. | Diplococcus |
| Answer» B. Clostridium | |
| 7300. |
Cryobiology deals with [BVP 2002] |
| A. | Temperature effect |
| B. | Physiology |
| C. | Anatomy |
| D. | Characteristics of biomolecule |
| Answer» B. Physiology | |