A certain patient is suspected to be suffering from Acquired Immuno Deficiency Syndrome. Which diagnostic technique will you recommend for its detection?
MRI
Ultra Sound
WIDAL
WIDAL
D.
WIDAL
ELISA (Enzyme-linked Immunosorbent Assay), also known as an enzyme immunoassay (EIA), is a biochemical technique used mainly in immunology to detect the presence of an antibody or an antigen in a sample. It is a useful tool for determining serum antibody concentrations (such as with the HIV test). The ELISA was the first screening test widely used for HIV because of its high sensitivity.
Which one of the following statements is correct for secondary succession?
It occurs on a deforested site
It follows primary succession
It is similar to primary succession except that it has a relatively fast pace
It is similar to primary succession except that it has a relatively fast pace
Which one of the following pairs of gases are the major cause of 'Greenhouse Effect'?
CO2 and CO
CFCs and SO2
CO2 and N2O
CO2 and N2O
Which one of the following expanded forms of the followings acronyms is correct?
UNEP = United Nations Environmental Policy
EPA = Environmental Pollution Agency
IUCN = International Union for Conservation of Nature and Natural Resources
IUCN = International Union for Conservation of Nature and Natural Resources
What are those structures that appear as 'beads-on-string' in the chromosomes when viewed under electron microscope?
Nucleotides
Nucleosomes
Base pairs
Base pairs
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
It shows energy content of different trophic level organisms
It is inverted in shape
It is upright in shape
It is upright in shape
Medical Termination of Pregnancy (MTP) is considered safe up to have many weeks of pregnancy?
Twelve weeks
Eighteen weeks
Six weeks
Six weeks
The gametophyte is not an independent, free-living generation in
Adiantum
Marchantia
Pinus
Pinus
Which one of the following have the highest number of species in nature?
Insects
Birds
Angiosperms
Angiosperms