For the following questions answer them individually
Which of the following is a secondary pollutant ?
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen ?
World Ozone Dayis celebrated on
What type of ecological pyramid would be obtained with the following data?
Secondary consumer:120 g,
Primary consumer: 60 g
Primary producer: 10 g
Natality refers to
Offsets are produced by
The experimental proof for semiconservative replication of DNA was first shown in a
Select the correct match:
Which of the following has proved helpful in preserving pollen as fossils ?