46681.Which is correct according to EURO II norms?
Sulphur can be controlled at 350ppm in diesel and 150ppm in petrol
Sulphur can be controlled at 150ppm in petrol
Lead can be controlled at 350ppm in diesel
Lead can be controlled at 150ppm in petrol
46719.Genotype is
Genetic composition of many organisms.
Genetic composition of plastids.
Genetic composition of germ cells.
Genetic composition of an individual.
46720.Which of the following are not the examples of analogous structures?
Wings of bat and butterfly.
Wings of bat and forelimb of cattle.
Thorn and spine.
Tendril of Lathyrus and tendril of Glorioss a)
46721.In a plant, gene “T” is responsible for tallness and its recessive allele “t” for dwarfness and “R” is reponsible for red colour flower and its recessive allele “r” of white flower colour. A tall and red flowered plant with genotype TtRr crossed with dwarf and red flowered ttRr. What is the percentage of dwarf – white flowered offspring of above cross ?
50%
6.25%
12.5 %
50 %
46723.Okazaki fragments are Synthesized on
Leading strands of DNA only
Lagging Strands of DNA only
Leading and LaggingStrands
Complementary DNA Strand
46733.Antiparallel strand in DNA is due to
Disulphide linkage
Hydorgen bond
Phosphodiester bond
Ionic bond
46738.What is called Griffith effect ?
DNA transcription
RNA translation
Bacterial transformation
Bacterial transduction
46763.Which of the following sentences is true about the evolutionary process?
There is no real ‘progress’ in the idea of evolution.
humans are unique, a totally new type of organism.
progress is nature’s religion.
Evolution of life forms was rapid in the beginning ages.