Multiple Choice QuestionsA 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
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
A.
It occurs on a deforested site
Secondary succession or subsere is ecological succession that takes place in a recently denuded area which still contains a lot of organic debris, remains and propagules of previously living organisms. It is a more common and caused by baring of an area due to forest fires, deforestation, excessive overgrazing, landslides, earthquakes, repeated floods, etc. Only 50 to 100 years are required for establishment of a grassland over a recently denuded area. Formation of forest requires 100 to 200 years.
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
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