Frequent disturbances could lead to failure of a community to reach a climax community as one seral stage keeps replacing itself, a condition known as

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#Question id: 18592

#SCPH06 I Botany

Flowering plant first appeared in___

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#Question id: 11604

#I Life Science/ Life Sciences Group – I-V

What will be the effect of exogenous gibberellin in plant?

a) extreme stem elongation in dwarf plants

b) Increases  in stem thickness

c) decrease in leaf size

d) decreases in stem thickness

e) Increases in leaf size

f) pale green color of the leaves

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#Question id: 389

#SCPH05 I Biotechnology

A weak acid HA has a pKa of 5.0.  If 1.0 mol of this acid and 0.1 mol of NaOH were dissolved in one liter of water, what would the final pH be?

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#Question id: 18373

#SCPH28 | Zoology

Scientists engineered a bacterial strain of P. fluorescens which is able to degrade 2,4-dinitrotoluene. This bacteria also helps in 

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#Question id: 3539

#SCPH12 I Genetics

In cucumbers, orange fruit color (R) is dominant over cream fruit color (r). A cucumber plant homozygous for orange fruits is crossed with a plant homozygous for cream fruits. What are phenotype of progeny if backcross between the F1 and the orange parent.