170916
Which of the following is used as bioinsecticide?
1 Bacillus polymyxa
2 Cylindrospermum licheniforme
3 Phytophthora palmivora
4 Chrysanthemum cinerarifolium
Explanation:
Exp: Pyrethrum is used as an insecticide which is obtained from the inflorescence of Chrysanthemum cinerarifolium. It is a member of the daisy family, Asteraceae. - Bacillus polymyxa and Cylindrospermum licheniforme are free living nitrogen fixing bacteria and cyanobacteria respectively. - Phytophthora palmivora is an oomycete, a type of fungus -like organism. It as a plant pathogen that cause a variety of diseases including black pod rot of cocoa, papaya root rot and bud rot of palm.
AIIMS-2016
Biotechnology and its Applications
170917
Biolistic (gene gun) is suitable for:
1 Disarming pathogen vectors
2 Transformation of plant cell
3 Constructing recombinant DNA by joining with vectors
4 DNA fingerprinting
Explanation:
Exp: The gene gun is utilized to bombard the plant cell wall with many DNA coated metal particles by using compressed helium as the propellant. - The biolistic method is a transformation method used in plants. Mainly metal particles are used-gold, tungsten, platinum, iridium, rhodium etc.
AIIMS-2015
Biotechnology and its Applications
170918
Cultivation of Bt cotton has been much in the news. The prefix Bt means
1 "Barium-treated" cotton seeds
2 "Bigger thread" variety of cotton with better tensile strength
3 Produced by "biotechnology" using restriction enzymes and ligases
4 Carrying an endotoxin gene from Bacillus thuringienesis
Explanation:
Exp: In Bt carrying an endotoxin gene from Bacillus thuringiensis. Bt is a toxic gene obtain from a bacterial species. - Bacillus thuringiensis have a special cry gene and the in Cry gene form cry protein, the Cry protein exist crystal solid form. When they come in contact to insect alimentary canal they are converted into the liquid form and create large size pores in insect alimentary canal which leads to the death of insects.
AIIMS-2004
Biotechnology and its Applications
170919
Plants genes have been altered by manipulation for these uses (I) Increased efficiency of mineral usage (II) Alternative resources to industries (III) Enhanced nutritional value of food (IV) Better management practices and uses of agrochemicals
1 II, III, IV
2 I, II, III
3 I, III, IV
4 II, III, IV
Explanation:
Exp: Gene manipulation benefits in plant : - - It reduces reliance on chemical pesticides or agrochemicals. - Helps to reduce post- harvest losses and is beneficial for industries. - Increase the efficiency of mineral usage by enhancing the nutritional value in food.
170916
Which of the following is used as bioinsecticide?
1 Bacillus polymyxa
2 Cylindrospermum licheniforme
3 Phytophthora palmivora
4 Chrysanthemum cinerarifolium
Explanation:
Exp: Pyrethrum is used as an insecticide which is obtained from the inflorescence of Chrysanthemum cinerarifolium. It is a member of the daisy family, Asteraceae. - Bacillus polymyxa and Cylindrospermum licheniforme are free living nitrogen fixing bacteria and cyanobacteria respectively. - Phytophthora palmivora is an oomycete, a type of fungus -like organism. It as a plant pathogen that cause a variety of diseases including black pod rot of cocoa, papaya root rot and bud rot of palm.
AIIMS-2016
Biotechnology and its Applications
170917
Biolistic (gene gun) is suitable for:
1 Disarming pathogen vectors
2 Transformation of plant cell
3 Constructing recombinant DNA by joining with vectors
4 DNA fingerprinting
Explanation:
Exp: The gene gun is utilized to bombard the plant cell wall with many DNA coated metal particles by using compressed helium as the propellant. - The biolistic method is a transformation method used in plants. Mainly metal particles are used-gold, tungsten, platinum, iridium, rhodium etc.
AIIMS-2015
Biotechnology and its Applications
170918
Cultivation of Bt cotton has been much in the news. The prefix Bt means
1 "Barium-treated" cotton seeds
2 "Bigger thread" variety of cotton with better tensile strength
3 Produced by "biotechnology" using restriction enzymes and ligases
4 Carrying an endotoxin gene from Bacillus thuringienesis
Explanation:
Exp: In Bt carrying an endotoxin gene from Bacillus thuringiensis. Bt is a toxic gene obtain from a bacterial species. - Bacillus thuringiensis have a special cry gene and the in Cry gene form cry protein, the Cry protein exist crystal solid form. When they come in contact to insect alimentary canal they are converted into the liquid form and create large size pores in insect alimentary canal which leads to the death of insects.
AIIMS-2004
Biotechnology and its Applications
170919
Plants genes have been altered by manipulation for these uses (I) Increased efficiency of mineral usage (II) Alternative resources to industries (III) Enhanced nutritional value of food (IV) Better management practices and uses of agrochemicals
1 II, III, IV
2 I, II, III
3 I, III, IV
4 II, III, IV
Explanation:
Exp: Gene manipulation benefits in plant : - - It reduces reliance on chemical pesticides or agrochemicals. - Helps to reduce post- harvest losses and is beneficial for industries. - Increase the efficiency of mineral usage by enhancing the nutritional value in food.
170916
Which of the following is used as bioinsecticide?
1 Bacillus polymyxa
2 Cylindrospermum licheniforme
3 Phytophthora palmivora
4 Chrysanthemum cinerarifolium
Explanation:
Exp: Pyrethrum is used as an insecticide which is obtained from the inflorescence of Chrysanthemum cinerarifolium. It is a member of the daisy family, Asteraceae. - Bacillus polymyxa and Cylindrospermum licheniforme are free living nitrogen fixing bacteria and cyanobacteria respectively. - Phytophthora palmivora is an oomycete, a type of fungus -like organism. It as a plant pathogen that cause a variety of diseases including black pod rot of cocoa, papaya root rot and bud rot of palm.
AIIMS-2016
Biotechnology and its Applications
170917
Biolistic (gene gun) is suitable for:
1 Disarming pathogen vectors
2 Transformation of plant cell
3 Constructing recombinant DNA by joining with vectors
4 DNA fingerprinting
Explanation:
Exp: The gene gun is utilized to bombard the plant cell wall with many DNA coated metal particles by using compressed helium as the propellant. - The biolistic method is a transformation method used in plants. Mainly metal particles are used-gold, tungsten, platinum, iridium, rhodium etc.
AIIMS-2015
Biotechnology and its Applications
170918
Cultivation of Bt cotton has been much in the news. The prefix Bt means
1 "Barium-treated" cotton seeds
2 "Bigger thread" variety of cotton with better tensile strength
3 Produced by "biotechnology" using restriction enzymes and ligases
4 Carrying an endotoxin gene from Bacillus thuringienesis
Explanation:
Exp: In Bt carrying an endotoxin gene from Bacillus thuringiensis. Bt is a toxic gene obtain from a bacterial species. - Bacillus thuringiensis have a special cry gene and the in Cry gene form cry protein, the Cry protein exist crystal solid form. When they come in contact to insect alimentary canal they are converted into the liquid form and create large size pores in insect alimentary canal which leads to the death of insects.
AIIMS-2004
Biotechnology and its Applications
170919
Plants genes have been altered by manipulation for these uses (I) Increased efficiency of mineral usage (II) Alternative resources to industries (III) Enhanced nutritional value of food (IV) Better management practices and uses of agrochemicals
1 II, III, IV
2 I, II, III
3 I, III, IV
4 II, III, IV
Explanation:
Exp: Gene manipulation benefits in plant : - - It reduces reliance on chemical pesticides or agrochemicals. - Helps to reduce post- harvest losses and is beneficial for industries. - Increase the efficiency of mineral usage by enhancing the nutritional value in food.
170916
Which of the following is used as bioinsecticide?
1 Bacillus polymyxa
2 Cylindrospermum licheniforme
3 Phytophthora palmivora
4 Chrysanthemum cinerarifolium
Explanation:
Exp: Pyrethrum is used as an insecticide which is obtained from the inflorescence of Chrysanthemum cinerarifolium. It is a member of the daisy family, Asteraceae. - Bacillus polymyxa and Cylindrospermum licheniforme are free living nitrogen fixing bacteria and cyanobacteria respectively. - Phytophthora palmivora is an oomycete, a type of fungus -like organism. It as a plant pathogen that cause a variety of diseases including black pod rot of cocoa, papaya root rot and bud rot of palm.
AIIMS-2016
Biotechnology and its Applications
170917
Biolistic (gene gun) is suitable for:
1 Disarming pathogen vectors
2 Transformation of plant cell
3 Constructing recombinant DNA by joining with vectors
4 DNA fingerprinting
Explanation:
Exp: The gene gun is utilized to bombard the plant cell wall with many DNA coated metal particles by using compressed helium as the propellant. - The biolistic method is a transformation method used in plants. Mainly metal particles are used-gold, tungsten, platinum, iridium, rhodium etc.
AIIMS-2015
Biotechnology and its Applications
170918
Cultivation of Bt cotton has been much in the news. The prefix Bt means
1 "Barium-treated" cotton seeds
2 "Bigger thread" variety of cotton with better tensile strength
3 Produced by "biotechnology" using restriction enzymes and ligases
4 Carrying an endotoxin gene from Bacillus thuringienesis
Explanation:
Exp: In Bt carrying an endotoxin gene from Bacillus thuringiensis. Bt is a toxic gene obtain from a bacterial species. - Bacillus thuringiensis have a special cry gene and the in Cry gene form cry protein, the Cry protein exist crystal solid form. When they come in contact to insect alimentary canal they are converted into the liquid form and create large size pores in insect alimentary canal which leads to the death of insects.
AIIMS-2004
Biotechnology and its Applications
170919
Plants genes have been altered by manipulation for these uses (I) Increased efficiency of mineral usage (II) Alternative resources to industries (III) Enhanced nutritional value of food (IV) Better management practices and uses of agrochemicals
1 II, III, IV
2 I, II, III
3 I, III, IV
4 II, III, IV
Explanation:
Exp: Gene manipulation benefits in plant : - - It reduces reliance on chemical pesticides or agrochemicals. - Helps to reduce post- harvest losses and is beneficial for industries. - Increase the efficiency of mineral usage by enhancing the nutritional value in food.
