Bacillus thuringiensis Bt is a* A pathogen of cotton A recently developed alternative to agrobacterium for transformation of plants A pathogen of the larval stages of various insects A pathogen of lepidopteran insects only

The following describes which helminthic parasite? Eggs shed in feces, embryonate in warm, moist soil or on vegetation, develop into larvae which penetrate bare human skin; larvae travel to lungs via blood or lymph, up trachea into throat, are swallowed, attach to wall of small intestine, feed on blood and tissue, shed eggs into feces. Ascaris lumbricoides Enterobius vermicularis Schistosoma Necator or Ancylostoma (Hookworm) Diphyllobothrium

It has been 2 weeks since a tropical caver researcher returned from Uganda, she is experiencing flu-like symptoms such as fever, sore throat and muscle aches, after 6 days condition deteriorates with the onset of diarrhoea, vomiting and stomach ache. The doctor's examination revealed rashes and leakage of the blood vessels in her eyes. Further hospital tests revealed internal bleeding. Case history showed she had been collecting samples from caves close to the border with the Democratic Republic of the Congo which had significant bat activity.According to laboratory results, the patient has proteinuria, increased serum transaminases, leukopenia (1x109 /L), and thrombocytopenia (10x109 /L). She has normal lung function but an enlarged liver and spleen.  Blood film screening for malaria was negative as well as diagnostic tests for the following haemorrhagic viruses: Dengue fever virus, Crimean-Congo haemorrhagic fever virus, Marburg virus, Rift Valley fever virus, Lassa fever virus and…

Which one is true for majority of baculoviruses used as biological control agents? O They have been shown to have negative impacts on non-target insects like cotton bollworm These are excellent candidates for narrow: spectrum herbicidal applications Beneficial insects are being conserved They are species specific predators and are unable to harm the useful insects