An accurate clock shows 8 o’ clock in the morning . Through how many degrees will the hour hand rotate when the clock shows 2 o’ clock in the afternoon ?

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#Question id: 10603

#Section 2: Evolution

The population size of a bird increased from 600 to 700 in one year. If the per capita birth rate of this population is 0.50, what is its per capita death rate?

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#Question id: 12690

#General Aptitude

From four corners of a square sheet of side 4 cm, four pieces,each in the shape of arc of a circle with radius 2 cm, are cut out.The area of the remaining portion is :

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#Question id: 9187

#Section 2: Evolution

Which of the following are defenses that some plants use against herbivory?

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#Question id: 12455

#Section 1: Ecology

When does the growth rate of a natural population equal zero?

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#Question id: 10830

#Section 2: Evolution

Which of the following helps a prey species avoid being detected by a predator?