👉 NEET Biology Examination
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Instruction
- Total 15 question
- Total Marks 60
- Each Question 4 marks
- Negative marking -1 for each wrong Question
NEET CONCEPT TEST -11 | BIOLOGY | STD 12 | CHAPTER -12
1. Some of the steps involved in the production of humulin are given below . Choose the correct sequence .
( i ) Synthesis of gene ( DNA ) for human insulin artificially .
( ii ) Culturing recombinant E.coli in bioreactors .
( iii ) Purification of humulin .
( iv ) Insertion of human insulin gene into plasmid .
( v ) Introduction of recombinant plasmid into E.coli .
( vi ) Extraction of recombinant gene product from E.coli .
( a ) ( i ) , ( i ) , ( iv ) , ( iii ) , ( v ) , ( vi )
( b ) ( i ) . ( ii ) , ( v ) , ( vi ) , ( ii ) , ( iv )
( c ) ( i ) , ( iv ) , ( v ) , ( ii ) , ( vi ) , ( iii )
( d ) ( iii ) , ( v ) , ( ii ) , ( i ) . ( vi ) , ( iv )
2. RNA interference ( RNAi ) , which is employed in making tobacco plant resistant to Meloidogyne incognita is essentially involved in
( a ) preventing the process of replication of DNA
( b ) preventing the process of translation of mRNA
( c ) preventing the process of splicing of hnRNA
( d ) preventing the process of transcription .
3. Which one of the following statements is wrong in relation to transgenic Bt cotton plant ?
( a ) Crop yield loss due to attack by Bacillus thuringiensis is reduced .
( b ) Crop yield loss due to attack by lepidopteran insect pests is reduced .
( c ) The use of chemical insecticides in the cotton field is minimised .
( d ) Better quality of cotton is produced .
4. Second generation vaccines are prepared by recombinant DNA technology . Which out of the following are examples of such vaccines ?
( a ) Hepatitis B virus vaccine ( b ) Herpes virus vaccine
( c ) Salk's polio vaccine ( d ) Both ( a ) and ( b )
5. A dicotyledonous plant forms crown gall when
( a ) Agrobacterium tumefaciens comes in contact with the plant
( b ) Agrobacterium rhizogenes comes in contact with the plant
( c ) a specific part of Ri plasmid gets integrated with the plant chromosome .
( d ) a specific part of Ti plasmid of A. tumefaciens gets integrated with the plant chromosome
6 . Bt toxin gene has been cloned from bacteria and expressed in plants to provide resistance to insects without the need for insecticides . Select the resistant plants from the given list .
( i ) Cotton ( ii ) Corn ( iii ) Rice ( iv ) Tomato ( V ) Potato ( vi ) Soybean
( a ) ( i ) , ( ii ) , ( iii ) and ( iv ) ( b ) ( i ) , ( iii ) , ( iv ) and ( v )
( c ) ( i ) , ( ii ) , ( v ) and ( vi ) ( d ) All of these
7. The use of bioresources by multinational companies and other organisations without proper authorisation from the countries and people concerned is called
( a ) biopiracy ( b ) biopatents ( c ) biosafety ( d ) biowar .
8 . Read the following statements and identify the correct option . Statement A : Agrobacterium tumefaciens is the causative agent of crown gall disease of dicots . Statement B : Agrobacterium tumefaciens causes infection by entering the plant through wounds and injuries .
( a ) Statement A is correct and statement B is wrong .
( b ) Statement B is correct and statement A is wrong .
( c ) Both statements A and B are correct .
( d ) Both statements A and B are wrong .
9. Which of the following statements is incorrect about gene therapy in ADA deficiency ?
( a ) Lymphocytes from patient's blood are taken out and cultured .
( b ) A functional ADA CDNA is introduced into the cultured lymphocytes .
( c ) Genetically modified lymphocytes are reintroduced in the body of patient . ( d ) Patient does not require periodic infusion of genetically engineered lymphocytes .
10. Genetic engineering has been successfully used for producing
( a ) transgenic mice for testing safety of polio vaccine before use on humans
( b ) transgenic models for studying new treatments for certain cardiac diseases
( c ) transgenic cow , Rosie which produces high fat milk for making ghee
( d ) animals like bulls for farm work as they have super power .
11 . A doctor while operating on an HIV ( + ) ve patient accidentally cuts himself with a scalpel . Suspecting himself to have contracted the virus , which test will he take to rule out confirm his suspicion ?
( a ) PCR ( b ) Routine urine examination ( c ) TLC ( d ) DLC
12. Select the mismatched pair .
( a ) ANDI - Transgenic monkey ( b ) Tracy - Transgenic pig
( c ) Rosie - Transgenic cow ( d ) Dolly - Transgenic sheep
13 . Which of the following microorganisms can be used for production of fuels ?
( a ) Bacillus amyloliquefaciens ( b ) Escherichia coli
( c ) Zymomonas mobilis ( d ) Both ( b ) and ( c )
14. Which of the following is the first step in Southern blot technique ?
( a ) Production of a group of genetically identical cells .
( b ) Isolation of DNA from a nucleated cell such as the one from the scene of crime .
( c ) Digestion of DNA by restriction endonuclease .
( d ) Denaturation of DNA on gel for hybridisation with specific probe .
15. Which of the following statements is not correct ?
( a ) Most Bt toxins are insect group specific .
( b ) RNAi takes place in eukaryotic as well as prokaryotic organisms as a method of cellular defense .
( c ) The recombinant therapeutics do not induce unwanted immunological responses in humans .
( d ) Diabetes mellitus can be controlled by taking insulin at regular time intervals .
( i ) Synthesis of gene ( DNA ) for human insulin artificially .
( ii ) Culturing recombinant E.coli in bioreactors .
( iii ) Purification of humulin .
( iv ) Insertion of human insulin gene into plasmid .
( v ) Introduction of recombinant plasmid into E.coli .
( vi ) Extraction of recombinant gene product from E.coli .
( a ) ( i ) , ( i ) , ( iv ) , ( iii ) , ( v ) , ( vi )
( b ) ( i ) . ( ii ) , ( v ) , ( vi ) , ( ii ) , ( iv )
( c ) ( i ) , ( iv ) , ( v ) , ( ii ) , ( vi ) , ( iii )
( d ) ( iii ) , ( v ) , ( ii ) , ( i ) . ( vi ) , ( iv )
2. RNA interference ( RNAi ) , which is employed in making tobacco plant resistant to Meloidogyne incognita is essentially involved in
( a ) preventing the process of replication of DNA
( b ) preventing the process of translation of mRNA
( c ) preventing the process of splicing of hnRNA
( d ) preventing the process of transcription .
3. Which one of the following statements is wrong in relation to transgenic Bt cotton plant ?
( a ) Crop yield loss due to attack by Bacillus thuringiensis is reduced .
( b ) Crop yield loss due to attack by lepidopteran insect pests is reduced .
( c ) The use of chemical insecticides in the cotton field is minimised .
( d ) Better quality of cotton is produced .
4. Second generation vaccines are prepared by recombinant DNA technology . Which out of the following are examples of such vaccines ?
( a ) Hepatitis B virus vaccine ( b ) Herpes virus vaccine
( c ) Salk's polio vaccine ( d ) Both ( a ) and ( b )
5. A dicotyledonous plant forms crown gall when
( a ) Agrobacterium tumefaciens comes in contact with the plant
( b ) Agrobacterium rhizogenes comes in contact with the plant
( c ) a specific part of Ri plasmid gets integrated with the plant chromosome .
( d ) a specific part of Ti plasmid of A. tumefaciens gets integrated with the plant chromosome
6 . Bt toxin gene has been cloned from bacteria and expressed in plants to provide resistance to insects without the need for insecticides . Select the resistant plants from the given list .
( i ) Cotton ( ii ) Corn ( iii ) Rice ( iv ) Tomato ( V ) Potato ( vi ) Soybean
( a ) ( i ) , ( ii ) , ( iii ) and ( iv ) ( b ) ( i ) , ( iii ) , ( iv ) and ( v )
( c ) ( i ) , ( ii ) , ( v ) and ( vi ) ( d ) All of these
7. The use of bioresources by multinational companies and other organisations without proper authorisation from the countries and people concerned is called
( a ) biopiracy ( b ) biopatents ( c ) biosafety ( d ) biowar .
8 . Read the following statements and identify the correct option . Statement A : Agrobacterium tumefaciens is the causative agent of crown gall disease of dicots . Statement B : Agrobacterium tumefaciens causes infection by entering the plant through wounds and injuries .
( a ) Statement A is correct and statement B is wrong .
( b ) Statement B is correct and statement A is wrong .
( c ) Both statements A and B are correct .
( d ) Both statements A and B are wrong .
9. Which of the following statements is incorrect about gene therapy in ADA deficiency ?
( a ) Lymphocytes from patient's blood are taken out and cultured .
( b ) A functional ADA CDNA is introduced into the cultured lymphocytes .
( c ) Genetically modified lymphocytes are reintroduced in the body of patient . ( d ) Patient does not require periodic infusion of genetically engineered lymphocytes .
10. Genetic engineering has been successfully used for producing
( a ) transgenic mice for testing safety of polio vaccine before use on humans
( b ) transgenic models for studying new treatments for certain cardiac diseases
( c ) transgenic cow , Rosie which produces high fat milk for making ghee
( d ) animals like bulls for farm work as they have super power .
11 . A doctor while operating on an HIV ( + ) ve patient accidentally cuts himself with a scalpel . Suspecting himself to have contracted the virus , which test will he take to rule out confirm his suspicion ?
( a ) PCR ( b ) Routine urine examination ( c ) TLC ( d ) DLC
12. Select the mismatched pair .
( a ) ANDI - Transgenic monkey ( b ) Tracy - Transgenic pig
( c ) Rosie - Transgenic cow ( d ) Dolly - Transgenic sheep
13 . Which of the following microorganisms can be used for production of fuels ?
( a ) Bacillus amyloliquefaciens ( b ) Escherichia coli
( c ) Zymomonas mobilis ( d ) Both ( b ) and ( c )
14. Which of the following is the first step in Southern blot technique ?
( a ) Production of a group of genetically identical cells .
( b ) Isolation of DNA from a nucleated cell such as the one from the scene of crime .
( c ) Digestion of DNA by restriction endonuclease .
( d ) Denaturation of DNA on gel for hybridisation with specific probe .
15. Which of the following statements is not correct ?
( a ) Most Bt toxins are insect group specific .
( b ) RNAi takes place in eukaryotic as well as prokaryotic organisms as a method of cellular defense .
( c ) The recombinant therapeutics do not induce unwanted immunological responses in humans .
( d ) Diabetes mellitus can be controlled by taking insulin at regular time intervals .
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ANSWER KEY
1. ( c ) 2. ( b ) 3. ( a ) 4 . ( d ) 5. ( c ) 6. ( d ) 7. ( a ) 8. ( C ) 9. ( d ) 10. ( a )
11. ( a ) 12. ( b ) 13. ( d ) 14. ( d ) 15. ( b )
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