Q3 of 30 Page 1

Write the unit used for measuring ozone thickness.

Ozone thickness is measured in Dobson unit (db). 1db is equivalent to 0.01mm at STP. It is the layer which protects us from the harmful rays of the sun.


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1

Name the type of cell division that takes place in the zygote of an organism exhibiting haplontic life cycle.

 2

Write the scientific name of the microbe used for fermenting malted cereals and fruit juices.

 4

Name the event during cell division cycle that results in the gain or loss of chromosome.

 5

How can bacterial DNA be released from the bacterial cell for biotechnology experiments?