Environmental Science
The most abundant greenhouse gas in the earth's atmosphere:

Water vapour (H2O)
Methane (CH4)
Nitrous oxide (N2O)
Carbon dioxide (CO2)
Chlorofluorocarbons (CFCs)

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Which among the following is related to the word Mesoderm ?

No membrane-bound organelles, no peptidoglycan in cell walls, introns
Anatomically advanced animals having all three germ layers
Forms blood and bone (leads to complex internal organs)
Binomial system of classification

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
During the winter solstice in the Northern Hemisphere:

All of these
At middle latitudes in the Northern Hemisphere, this marks the longest night of the year
Astronomical winter begins in the Northern Hemisphere
The noon sun is overhead at 23.5o S latitude

ANSWER DOWNLOAD EXAMIANS APP