Which chemicals increase growth of aquatic organism?

Related MCQs

• Give correct option for the given true and false statements (i) Some insects, birds and mammals living in warm and dry climate have more darker black pigments than the races of same species living in cold and humid climate. (ii) Tempreture variation is much lesser in aquatic habitat compared to terrestrial habitat (iii) In deep fresh water lakes, there is gradual incrase in tempreture from surface to the bottem (iv) In an aquatic habitat production increases with insing depth. (T =True, F = False)
• When organism of aquatic ecosystem is at equvalent trophee level in when cow is included ? (DUMET...2009)
• Assertion (A) Every organism posses reproduction,growth,development,adaptation and death as unique characters. Reason (R) Energy transformation is essential for every organism.
• Arrange the following statements with reference to accelerated eutrophication in proper manner. (p)Silt and debris pile up at the bottom of the lake (q)Marsh plants take roots in the shallows begin to fill the lake basin (r)Introduction of large number of nitrogen and phosphate in the pond (s)Encouragement of growth of aquatic organisms.
• Assertion (A) Energy transformation also takes place in metabolism in living organism. Reason (R) Organism have to perform many biological activities.
• Assertion (A) Organogenesis and Differention takes place during growth. Reason (R) Number of cells increase during growth.
• Which is world’s most problematic aquatic weed?
• In which subdivision of aquatic ecosystem thermal stratification in seen ?
• In which of the following aquatic ecosystems habitat fluid (liquid) is very concetrated compared to body fluid ?
• The second largest aquatic vertebrate is (J & K CET-2008)