Which one of the following is being tried in India as a biofuel substitute for fossil fuels?
Jatropha
Azadirachta
Musa
Aegilops
Gel electrophoresis is used for
cutting of DNA into fragments
separation of DNA fragments according to their size
construction of recombinant DNA by joining with cloning vectors
isolation of DNA molecule
Which one of the following proved effective for biological control of nematodal diseases in plants?
Pisolithus tinctorius
Pseudomonas cepacia
Gliocladium virens
Paecilomyces lilacinus
Cry-1 endotoxins obtained from Bacillus thuringiensis are effective against
mosquitoes
flies
nematodes
boll worms
Human insulin is being commercially produced from a transgenic species of
Escherichia
Mycobacterium
Rhizobium
Saccharomyces
The technique of obtaining large number of plantlets by tissue culture method is called
plantlet culture
organ culture
micro-propagation
macro-propagation
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
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
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
Consider the following statements about biomedical technologiesa. During open heart surgery blood is circulated in the heart-lung machineb. Blockage in coronary arteries is removed by angiographyc. Computerized Axial Tomography (CAT) shows detailed internal structure as seen in a section of body.d. X-ray provides clear and detailed images of organs like prostate glands and lungsWhich two of the above statements are correct?
B and D
C and D
A and C
A and B