Science Class 8th
41)Second step in process of gene introduction
A. Cutting gene with restriction enzyme
B. Attaching gene to plasmid
C. Both
D. None
42)Third step in introducing gene into organism
A. Attaching gene to plasmid
B. Cutting gene with enzyme
C. Introducing recombinant
D. All
43)Fourth step is
A. Introducing recommbinant DNA
B. Cutting gene
C. Isolation of gene
D. None
44)Attached gene and plasmid are collectively called
A. Recombinant DNA
B. Mixed gene
C. Mixed DNA
D. All
45)Enzyme used to cut gene is called
A. Restriction enzyme
B. Cutting enzyme
C. Knife
D. Cutter
46)Isolated gene is also called
A. Gene of interest
B. Recombinant gene
C. Both above
D. None
47)Which are product of biotechnology
A. Yogurt,backery products,vinegar
B. Bread,cheese,insuline for diabetic patient
C. Modifief food products,
D. All
48)Which are products of biotechnology
A. Vaccine,antibodies,medicine
B. Biodiesel,washing detergents
C. Sugar,plastic
D. All
49)Genetic change in the genetic organization of organism involve
A. Biochemistry
B. Biotechnology
C. Phsiology
D. Not possuble
50)Genetic change in organism through biotechnology involves
A. Addition of gene
B. Removal of gene
C. Modification of gene
D. All
51)Removal,addition and modification of gene in plant helps in
A. Increase productivity
B. Improve nutritional quality
C. Novel product and disease resistant
D. All
52)The organism whose genes are modified are called
A. Genetically modified organism
B. Transgenic organism
C. Manipulated organism
D. Both A and B
53)Genetically modified microorganism are
A. Ring spot virus resistant GM paoaya
B. Grown in hawaii
C. Both above
D. None
54)Bacterial infection in chicken causes
A. Cancer
B. Visual problem
C. Bone weakening
D. Food poisoning
55)Genetically modified sweet potatoes have been enhanced with
A. Protein
B. Other nutrients
C. Height
D. Both A and B
56)Which one is genetic modification
A. Better quality of fruit
B. Quality vegetables
C. Long shelve life
D. All
57)Bacteria which take in recombinant DNA is called
A. Transgenic bacterium
B. GM bacterium
C. Both above
D. None
58)Genetically modified fishes have
A. Growth harmones
B. Plasma protein
C. Lipids
D. Not exist
59)Genetically modified fishes with growth rate
A. Salmonids
B. Carps
C. Tilapias
D. All
60) Which are/is species of fishes
A. Salmanoid
B. Carps
C. Tilapias
D. All