Stirred-tank bioreactors have been designed for

Important Questions on Microbes in Human Welfare

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>EXERCISE>Q 17

A common biocontrol agent for the control of plant disease is

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>EXERCISE>Q 18

Which one of the following is not used in organic farming

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>EXERCISE>Q 19

Which one of the following is a wrong match of a microbe and its industrial product, while the remaining three are correct?

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>EXERCISE>Q 20

Consider the following statements $(\mathrm{i}-\mathrm{iv})$ about organic farming :
$\left(\mathrm{i}\right)$ Utilizes genetically modified crops like Bt cotton
$\left(\mathrm{ii}\right)$ Uses only naturally produced inputs like compost
$\left(\mathrm{iii}\right)$Does not use pesticides and urea
$\left(\mathrm{iv}\right)$ Produces vegetables rich in vitamins and minerals
Which of the above statements are correct $?$

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>EXERCISE>Q 21

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. What is its effect? 

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>KVPY PREVIOUS YEAR QUESTIONS>Q 1

Path-finding by ants is by means of

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>KVPY PREVIOUS YEAR QUESTIONS>Q 2

Sometimes urea is fed to ruminates to improve their health. It works by

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Practice Book for KVPY Aptitude Test - Stream SX Biology>Chapter 15 - Microbes in Human Welfare>KVPY PREVIOUS YEAR QUESTIONS>Q 3

Conversion of the Bt toxin produced by Bacillus thuringiensis to its active form in the gut of the insects is mediated by