NEET 2023 Question Paper Mock Test

Given below are two statements:Statement I: The forces generated by transpiration can lift a xylem-sized column of water over $130\text{meters}$ height.Statement II: Transpiration cools leaf surfaces sometimes $10$ to $15$ degrees, by evaporating cooling.In the light of the above statements, choose the most appropriate answer from the options given below:

In gene gun method used to introduce alien DNA into host cells, microparticles of _______ metal are used.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:Assertion A: The first stage of gametophyte in the life cycle of moss is protonema stage.Reason R: Protonema develops directly from spores produced in capsule.In the light of the above statements, choose the most appropriate answer from the options given below:

Unequivocal proof that DNA is the genetic material was first proposed by:

The thickness of ozone in a column of air in the atmosphere is measured in terms of: