gradual and continuous change in species composition and community structure over time is referred to as

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#Question id: 10169

#Unit 6. System Physiology – Plant

Which of the following is not the effect of C3 and C4 cycle in hot and dry climates ?

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#Question id: 12679

#General Aptitude

The diagonal of a square is 4√ 2 cm. The diagonal of another square whose area is double that of the first square is :

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#Question id: 5241

#Unit 8. Inheritance Biology

Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

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#Question id: 12972

#Unit 10. Ecological Principles

Under  some  circumstances a  population  can  split  into  two  or  more  species  without  the  existence of  geographic barriers. All of the following genetically determined behaviours could provide conditions leading to speciation EXCEPT

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#Question id: 14506

#Unit 13. Methods in Biology

In a Binomial distribution, the mean and standard deviation are 12 and 2 respectively. The values of n and p are respectively.