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NEET 2018

Instructions

For the following questions answer them individually

Question 1

Niche is

Question 2

Which of the following is a secondary pollutant ?

Question 3

In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen ?

Question 4

World Ozone Dayis celebrated on

Question 5

What type of ecological pyramid would be obtained with the following data?
Secondary consumer:120 g,
Primary consumer: 60 g
Primary producer: 10 g


Question 6

Natality refers to

Question 7

Offsets are produced by

Question 8

The experimental proof for semiconservative replication of DNA was first shown in a

Question 9

Select the correct match:

Question 10

Which of the following has proved helpful in preserving pollen as fossils ?

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