Which one of the following methods is commonly used to maintain the genetic traits of a given plant

• By propagating through seed germination

• By propagating through vegetative multiplication

• By generating hybrids through intergeneric pollination

• By treating the seeds with gamma radiations

Which one of the following is a correct statement

• "Bt" in "Bt-cotton" indicates that it is a genetically modified organism produced through biotechnology.

• Classical plant breeding involves fusion of two somatic cells carrying desired genes.

• The anticoagulant hirudin is being produced from transgenic Brassica napus seeds.

• Golden rice is a transgenic variety of rice rich in vitamin E.

Assertion: Flavr-Savr tomato was the first transgenic commercial crop that entered the market.

Reason: Roundup variety of soybean was prepared through breeding.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.

Which of the following is the correct scientific name of wheat derived by binominal nomenclature?

• Triticum Vulgare

• Triticum aestivum

• Oryza sativa

• Zea mays

The genetic material in tobacco mosaic virus is

• ss DNA

• ss RNA

• ds RNA

• ds DNA

146.

Which organism is used to transfer T-DNA

• Streptomyces hygroscopicus

• Agrobacterium tumefaciens

• Salmonella typhi

• Escherichia coli

Which of the following represents the action of insulin?

• Increases blood glucose level by stimulating glucagon production

• Decreases blood glucose level by forming glycogen

• Increases blood glucose level by promoting cellular uptake of glucose

• Increases blood glucose level by hydrolysis of glycogen

Assertion: GM foods are facing widespread resistance by the people.

Reason: GM foods have mutated genes which cause infections and allergies.

• If both assertion and reason are true and reason is the correct explanation of assertion. 

• If both assertion and reason are true but reason is not the correct explanation of assertion. 

• If assertion is true but reason is false. 

• If both assertion and reason are false.

The number of chromosomes present in the cells of the bread wheat, Triticum aestivum suggests that it is

• hexaploid

• diploid

• tetraploid

• pentaploid

Assertion : The technique of micropropogation has been used to introduce variations in the offspring.

Reason : It is not possible to generate virus free plants by micropropogation.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false

• If both assertion and reason are false