Assertion (A) : Insect resistant transgenic cotton has been produced by inserting Bt gene. Reason (R) : The…
Consider the following statements : Glass can be etched or scratched by I. diamond. II. hydrofluoric acid. III.…
Assertion (A) : To dilute sulphuric acid, acid is added to water and not water to acid. Reason…
Cobalt-60 is commonly used in radiation therapy because it emits
Which one of the following types of coal contains a higher percentage of carbon than the rest ?
Which one of the following is a useful functional association between fungi and the roots of higher plants…
Which one of the following agricultural practices is eco-friendly ?
Strips of two metals A and B are firmly joined together as shown in the figure(Before Heating) On…
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