Multiple Choice QuestionsMRI is not allowed in the following conditions except one. Identify the exception
Presence of pacemaker in the body
Pregnant women
Person suffering from stroke
Presence of metallic plate in the body for treatment of broken bones
Which of the following diseases is related to cadmium pollution?
Minamata
Pneumoconiosis
Anaemia
Itai- Itai
First genetically modified plant commercially released in India is
golden rice
slow ripening tomato
Bt brinjal
Bt cotton
In a DNA molecule, distance between two bases is
2 nm/ 20 Å
0.2 nm/ 2 Å
3.4 nm/ 34 Å
0.34 nm/ 3.4 Å
Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic chromosome number of wheat?
42
21
7
14
Micropropagation is a technique for production of
true to type plants
haploid plant
somatic hybrids
somaclonal plants
D.
somaclonal plants
The method of producing thousands of plants through tissue culture is called micropropagation. Each of these plants will be genetically identical to the original plant from which they were grown, ie, they are somaclones. Many important food plants like tomato, banana, apple, etc, have been produced on commercial scale using this method.
Test cross is a cross between
hybrid and dominant parent
hybrid and recessive parent
two hybrid parents
two distantly related species
Balbiani rings are the sites of
DNA replication
RNA and protein synthesis
synthesis of lipids
synthesis of polysaccharides
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