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

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

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Environmental Science
The lag in daily temperature refers to the time lag between the:

Minimum and maximum temperature for a day
Time of minimum temperature and the time of maximum solar radiation
Sunrise and sunset
Time of maximum solar radiation and the time of maximum temperature
Minimum and maximum solar energy received at the surface for a given day

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