The chemical and breakdown products of herbicide DDT cause eggshell thinning and population declines in multiple North American and European bird of prey. They are remediated by 

TLS Online TPP Program

#Question id: 12785

#XL - R Botany

Which of the following members of a marine food chain occupies a similar tropic level to a grasshopper in a terrestrial food chain?

TLS Online TPP Program

#Question id: 12789

#XL - R Botany

Which of the following terms encompasses all of the others?

TLS Online TPP Program

#Question id: 12790

#XL - R Botany

Which of the following are responsible for the conversion of most organic material into CO  , which can be utilized2 in primary production?

TLS Online TPP Program

#Question id: 12796

#XL - R Botany

In which of the following terrestrial biome pairs are both dependent upon periodic burning? 

TLS Online TPP Program

#Question id: 12800

#XL - R Botany

Tropical grasslands with scattered trees are also known as

TLS Online TPP Program

#Question id: 12809

#General Aptitude

The breadth of a rectangular hall is three-fourth of its length. If the area of the floor is 768 sq. m. then the difference between the length and breadth of the hall is: