In a standard ECG, which one of the following alphabets is the correct representation of the respective activity of the human heart?
R- repolarisation of ventricles
S-start of systole
T-end of diastole
P-depolarisation of the atria
Which one of the micro organism is used for production of citric acid in industries?
Lactobacillus bulgaris
Penicillium citrinum
Aspergillus niger
Rhizopus nigricans
What is antisense technology?
A cell displaying a foreign antigen used for synthesis of antigens
Production of somaclonal variants in tissue cultures
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
RNA polymerase producing DNA
Cry-1 endotoxins obtained from Bacillus thuringiensis are effective against
mosquitoes
flies
nematodes
boll worms
Which one of the following is being tried in India as a biofuel substitute for fossil fuels?
Jatropha
Azadirachta
Musa
Aegilops
The Ti plasmid is often used for making transgenic plants. This plasmid is found in
Azotobacter
Rhizobium of the roots of leguminous plants
Agrobacterium
Yeast as a 2µm plasmid
Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
Frequent irrigation of the crop
Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer
Removal of all yellow leaves and spraying the remaining green leaves with 2,4,5-trichlorophenoxy acetic acid
Application of iron magnesium to promote synthesis of chlorophyll
A transgenic food crop which may help in solving the problem of night blindness in developing countries is
Flavr savr tomatoes
Starlink maize
Bt soybean
Golden rice
What is the best pH of the soil for cultivation of plants?
3.4-5.4
6.5-7.5
4.5-8.5
5.5-6.5
Which one of the following proved effective for biological control of nematodal diseases in plants?
Pisolithus tinctorius
Pseudomonas cepacia
Gliocladium virens
Paecilomyces lilacinus
