Plant Breeding
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STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262456 Which of the following is a wheat variety bred by conventional breeding techniques to develop resistance to leaf and stripe rust in them?

1 Himgiri
2 Pusa swarnim
3 Pusa Shubhra
4 Pusa Snowball K-1
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262457 Pusa komal variety of cowpea is resistant to _______________ while Pusa sadabahar variety of chilly is resistant to _______________

1 Bacterial blight and Leaf curl
2 White rust and Tobacco mosaic virus
3 Black rot and Chilly mosaic virus
4 Bacterial blight and hill bunt
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262458 Plant breeding for disease resistance by conventional techniques has limited success due to

1 Time consuming screening of germplasm
2 Limited availability of disease resistance genes the collected germplasm
3 The tedious process of evaluation of developed cultivars
4 Limited knowledge about the pathology of plant disease
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262459 When a source of disease resistance gene is not available or not known, _______________ is followed to produce disease resistant mutants plants.

1 Conventional breeding
2 Mutagenesis
3 Plant breeding
4 Germplasm screening
NCERT
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262460 Consider the following statements: (A) Disease resistant somaclonal variants may serve as a source of disease resistance for plant breeding. (B) Recombinant DNA technology develops the disease resistant transgenic crop plants by transferring the disease resistance gene in crops from any other source. Select the correct option.

1 Both (A) and (B) are true.
2 (A) is true but (B) is false.
3 Both (A) and (B) are false.
4 (A) is false but (B) is true.
Page 174
NEET DIGITAL LIBRARY
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262456 Which of the following is a wheat variety bred by conventional breeding techniques to develop resistance to leaf and stripe rust in them?

1 Himgiri
2 Pusa swarnim
3 Pusa Shubhra
4 Pusa Snowball K-1
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262457 Pusa komal variety of cowpea is resistant to _______________ while Pusa sadabahar variety of chilly is resistant to _______________

1 Bacterial blight and Leaf curl
2 White rust and Tobacco mosaic virus
3 Black rot and Chilly mosaic virus
4 Bacterial blight and hill bunt
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262458 Plant breeding for disease resistance by conventional techniques has limited success due to

1 Time consuming screening of germplasm
2 Limited availability of disease resistance genes the collected germplasm
3 The tedious process of evaluation of developed cultivars
4 Limited knowledge about the pathology of plant disease
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262459 When a source of disease resistance gene is not available or not known, _______________ is followed to produce disease resistant mutants plants.

1 Conventional breeding
2 Mutagenesis
3 Plant breeding
4 Germplasm screening
NCERT
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262460 Consider the following statements: (A) Disease resistant somaclonal variants may serve as a source of disease resistance for plant breeding. (B) Recombinant DNA technology develops the disease resistant transgenic crop plants by transferring the disease resistance gene in crops from any other source. Select the correct option.

1 Both (A) and (B) are true.
2 (A) is true but (B) is false.
3 Both (A) and (B) are false.
4 (A) is false but (B) is true.
Page 174
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STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262456 Which of the following is a wheat variety bred by conventional breeding techniques to develop resistance to leaf and stripe rust in them?

1 Himgiri
2 Pusa swarnim
3 Pusa Shubhra
4 Pusa Snowball K-1
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262457 Pusa komal variety of cowpea is resistant to _______________ while Pusa sadabahar variety of chilly is resistant to _______________

1 Bacterial blight and Leaf curl
2 White rust and Tobacco mosaic virus
3 Black rot and Chilly mosaic virus
4 Bacterial blight and hill bunt
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262458 Plant breeding for disease resistance by conventional techniques has limited success due to

1 Time consuming screening of germplasm
2 Limited availability of disease resistance genes the collected germplasm
3 The tedious process of evaluation of developed cultivars
4 Limited knowledge about the pathology of plant disease
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262459 When a source of disease resistance gene is not available or not known, _______________ is followed to produce disease resistant mutants plants.

1 Conventional breeding
2 Mutagenesis
3 Plant breeding
4 Germplasm screening
NCERT
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262460 Consider the following statements: (A) Disease resistant somaclonal variants may serve as a source of disease resistance for plant breeding. (B) Recombinant DNA technology develops the disease resistant transgenic crop plants by transferring the disease resistance gene in crops from any other source. Select the correct option.

1 Both (A) and (B) are true.
2 (A) is true but (B) is false.
3 Both (A) and (B) are false.
4 (A) is false but (B) is true.
Page 174
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STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262456 Which of the following is a wheat variety bred by conventional breeding techniques to develop resistance to leaf and stripe rust in them?

1 Himgiri
2 Pusa swarnim
3 Pusa Shubhra
4 Pusa Snowball K-1
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262457 Pusa komal variety of cowpea is resistant to _______________ while Pusa sadabahar variety of chilly is resistant to _______________

1 Bacterial blight and Leaf curl
2 White rust and Tobacco mosaic virus
3 Black rot and Chilly mosaic virus
4 Bacterial blight and hill bunt
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262458 Plant breeding for disease resistance by conventional techniques has limited success due to

1 Time consuming screening of germplasm
2 Limited availability of disease resistance genes the collected germplasm
3 The tedious process of evaluation of developed cultivars
4 Limited knowledge about the pathology of plant disease
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262459 When a source of disease resistance gene is not available or not known, _______________ is followed to produce disease resistant mutants plants.

1 Conventional breeding
2 Mutagenesis
3 Plant breeding
4 Germplasm screening
NCERT
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262460 Consider the following statements: (A) Disease resistant somaclonal variants may serve as a source of disease resistance for plant breeding. (B) Recombinant DNA technology develops the disease resistant transgenic crop plants by transferring the disease resistance gene in crops from any other source. Select the correct option.

1 Both (A) and (B) are true.
2 (A) is true but (B) is false.
3 Both (A) and (B) are false.
4 (A) is false but (B) is true.
Page 174
NEET DIGITAL LIBRARY
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262456 Which of the following is a wheat variety bred by conventional breeding techniques to develop resistance to leaf and stripe rust in them?

1 Himgiri
2 Pusa swarnim
3 Pusa Shubhra
4 Pusa Snowball K-1
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262457 Pusa komal variety of cowpea is resistant to _______________ while Pusa sadabahar variety of chilly is resistant to _______________

1 Bacterial blight and Leaf curl
2 White rust and Tobacco mosaic virus
3 Black rot and Chilly mosaic virus
4 Bacterial blight and hill bunt
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262458 Plant breeding for disease resistance by conventional techniques has limited success due to

1 Time consuming screening of germplasm
2 Limited availability of disease resistance genes the collected germplasm
3 The tedious process of evaluation of developed cultivars
4 Limited knowledge about the pathology of plant disease
Page 174
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262459 When a source of disease resistance gene is not available or not known, _______________ is followed to produce disease resistant mutants plants.

1 Conventional breeding
2 Mutagenesis
3 Plant breeding
4 Germplasm screening
NCERT
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

262460 Consider the following statements: (A) Disease resistant somaclonal variants may serve as a source of disease resistance for plant breeding. (B) Recombinant DNA technology develops the disease resistant transgenic crop plants by transferring the disease resistance gene in crops from any other source. Select the correct option.

1 Both (A) and (B) are true.
2 (A) is true but (B) is false.
3 Both (A) and (B) are false.
4 (A) is false but (B) is true.
Page 174