Genetically Modified Crops

Q. What is genetic manipulation? How is it useful in agricultural practices?

Q.

Genetically modified crops are same as hybrid crops.

1. True

2. False

Q.

With the knowledge of gene, the process of __ helps in improving crop variety.

Q. Bt-cotton is a

1. Intra specific variety
2. Inter-specific variety
3. Genetically modified variety.
4. Intergenic variety

Q. Cultivation of Bt cotton has been much the news. The prefix “Bt” means

1. “Barium - treated” cotton seeds
2. “Bigger thread” variety of cotton with better tensile strength
3. Production by “biotechnology” using restriction enzymes and ligases
4. Carrying an endotoxin gene from Bacillus thuringiensis

Q. Which of the following is a result of natural selection?

1. Disease resistant crop plants
2. Seedless grapes
3. Insecticide resistant mosquitoes
4. Cattle for high milk yield

Q. is a genetically modified plant.

1. Bt. cotton
2. IR8
3. Triticale

Q. A crop variety improvement technique in which the desired gene is introduced into a particular plant is known as ___.

1. biotechnology
2. genetic engineering
3. cross breeding
4. mixed cropping

Q. Which among the following is/are the advantage(s) of high yielding variety of seeds?

1. They a have a shorter life cycle
2. The yield per area is significantly high
3. They have a longer life cycle
4. The yield per area is significantly low

Q. Question 20
What is a GM crop? Name any one such crop which is grown in India.