Recent questions

What are the limitations of ecological pyramids?

asked Apr 10, 2019 by priyanka.clay6

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What is the effect on decomposition rate if :

asked Apr 10, 2019 by priyanka.clay6

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Give an example of an ecological pyramid which is always upright. Justify your answer.

asked Apr 10, 2019 by priyanka.clay6

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"Decomposition is an oxygen requiring process" comment.

asked Apr 10, 2019 by priyanka.clay6

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"Flow of energy is unidirectional but nutrient flow is in a cycle". Give reason.

asked Apr 10, 2019 by priyanka.clay6

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the compound that is not a lewis base

asked Apr 10, 2019 by amanmishra455111971

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How does the man made ecosystem differ from the natural ecosystem?

asked Apr 10, 2019 by priyanka.clay6

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What is stratification in a forest?

asked Apr 10, 2019 by priyanka.clay6

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How is a food web formed?

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Which metabolic process causes a reduction in the Gross Primary Productivity?

asked Apr 10, 2019 by priyanka.clay6

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If we count the number of insects on a tree and number of small birds depending on those insects as also the number of larger bird eating the smaller, what kind of pyramid of number would we get?

asked Apr 10, 2019 by priyanka.clay6

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Decomposition is faster if deteritus is rich in nitrogen and water soluble substance like sugars. When is decomposition slower?

asked Apr 10, 2019 by priyanka.clay6

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Write the equation that helps in deriving the net primary productivity of an Ecosystem

asked Apr 10, 2019 by priyanka.clay6

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Sedimentary cycle is quite different from a gaseous cycle with respect to its reservoir. Bring out the difference.

asked Apr 10, 2019 by priyanka.clay6

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In burnt out Forests and flooded lands succession takes place faster. Why?

asked Apr 10, 2019 by priyanka.clay6

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As succession proceeds the numbers and types of animals and decomposers also change. How?

asked Apr 10, 2019 by priyanka.clay6

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The detritus food chain and grazing food chain differ. How?

asked Apr 10, 2019 by priyanka.clay6

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Can temperature regulate the rate of decomposition how?

asked Apr 10, 2019 by priyanka.clay6

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Detritus contribute to the biogeochemical cycles, how?

asked Apr 10, 2019 by priyanka.clay6

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All the primary productivity is not available to the herbivore,give one reason.

asked Apr 10, 2019 by priyanka.clay6

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nitrifying and sulphur bacteria

asked Apr 10, 2019 by navintelgote3112

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Explain how recombinants and non- recombinants are differentiated on the basis of colour production in the presence of a chremogenic substrate. Name that procedure. Describe the temperature treatment (-3 step-) that enhances the bacteria to take up the rDNA.

asked Apr 10, 2019 by priyanka.clay6

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What do you mean by PCR? Briefly enumerate the major steps of PCR. Mention the utility of PCR.

asked Apr 10, 2019 by priyanka.clay6

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When 4g of iron is burnt to ferric oxide at constant pressure 29.28 Kj of

asked Apr 10, 2019 by mailtoshubhamurthyrk

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Draw a neat, labeled diagram of <br> (a) simple stirred tank bioreactor <br> (b) sparged tank bioreactor.

asked Apr 10, 2019 by priyanka.clay6

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Enumerate the major steps for isolation of DNA.

asked Apr 10, 2019 by priyanka.clay6

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Highlight the salient features that are required to facilitate cloning into a vector.

asked Apr 10, 2019 by priyanka.clay6

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Mention the steps involved in the separation and isolation of DNA fragments through agarose gel electrophoresis. <br> Or<br> Describe in brief the principle of DNA isolation through gel electrophoresis.

asked Apr 10, 2019 by priyanka.clay6

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Enlist the major steps in recombinant DNA technology.

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How can you make a bacterial cell competent to take up foreign DNA ?

asked Apr 10, 2019 by priyanka.clay6

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What is insertional inactivation?

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Mention the role of selectable marker in cloning vector with an example.

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What are “sticky end” and “blind ends” ?

asked Apr 10, 2019 by priyanka.clay6

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What is a palindromic sequence? Give example.

asked Apr 10, 2019 by priyanka.clay6

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Mention one basic difference between restriction endonucleases and exonucleases.

asked Apr 10, 2019 by priyanka.clay6

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Why do bacteria possesses restriction enzyme ?

asked Apr 10, 2019 by priyanka.clay6

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Mention the three steps involve in genetically modifying an organism.

asked Apr 10, 2019 by priyanka.clay6

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What is gene cloning?

asked Apr 10, 2019 by priyanka.clay6

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Enlist the core techniques that pave the way for modern biotechnology.

asked Apr 10, 2019 by priyanka.clay6

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What are the two main processes involved in downstream processing?

asked Apr 10, 2019 by priyanka.clay6

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What is a bioreactor?

asked Apr 10, 2019 by priyanka.clay6

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Name the microorganism from which the thermostable DNA polymerase required for PCR is obtained?

asked Apr 10, 2019 by priyanka.clay6

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Expand the term PCR.

asked Apr 10, 2019 by priyanka.clay6

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Name any two processes by which alien DNA is introduced into the host cell.

asked Apr 10, 2019 by priyanka.clay6

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Mention the bacteria that acts as natural genetic engineer.

asked Apr 10, 2019 by priyanka.clay6

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Name the sequence within a cloning vector from where the replication commences.

asked Apr 10, 2019 by priyanka.clay6

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What are cloning vectors ?

asked Apr 10, 2019 by priyanka.clay6

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What is elution?

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Which enzymes act as molecular glue?

asked Apr 10, 2019 by priyanka.clay6

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What do you mean by recognition sequence?

asked Apr 10, 2019 by priyanka.clay6

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