CBSE
Multiple Choice QuestionsBacillus thuringiensis (Bt) strains have been used for designing novel
bio- metallurgical technique
bio- mineralization processes
bio- insecticidal plants
biofertilizers
Which of the following is the correct scientific name of wheat derived by binominal nomenclature?
Triticum Vulgare
Triticum aestivum
Oryza sativa
Zea mays
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
The Triticale is an intergeneric hybrid between
wheat and maize
maize and rye
wheat and rye
bajra and wheat
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.
Restriction enzymes are used in genetic engineering, because they
can degrade harmful proteins
can join different DNA fragments
can cut DNA at specific base sequence
are nucleases that cut DNA at variable sites
Micro-organism which act as a vehicle for foreign gene transfer in higher plants
Agrobacterium
E. coli
T.M.V.
Bacillus anihracis
The genetic material in tobacco mosaic virus is
ss DNA
ss RNA
ds RNA
ds DNA
Which of the following pairs is correctly matched
Central dogma- Codon
Okazaki fragments - Splicing
RNA polymerase -RNA primer
Restriction enzymes - Genetic engineering
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.
