Policeman wears a uniform because

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#Question id: 355

#Unit 1. Molecules and their Interaction Relevant to Biology

Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?

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#Question id: 23612

#General Aptitude

If M × N means M is the daughter of N ; M + N means M is the father of N ; M %N means M is the mother of N and M −N means M is the brother of N the P %Q + R −T × K indicates which relation of P to K?

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#Question id: 3665

#Unit 3. Fundamental Processes

Which of the following is true for Tandem-duplication mutations?

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#Question id: 10719

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.

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#Question id: 19328

#Unit 12. Applied Biology

Which one of the following is a bio microarray device?