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: 9180

#Unit 9. Diversity of Life Forms

Which of the following statements can be accurately made about light in aquatic environments?

TLS Online TPP Program

#Question id: 2922

#Unit 2. Cellular Organization

Human genes/proteins that regulate the cell cycle are most easily isolated by:

TLS Online TPP Program

#Question id: 4814

#Unit 8. Inheritance Biology

The frequency of recombinant gametes is half the frequency of crossing over between genes present on same chromosome is due to

TLS Online TPP Program

#Question id: 23911

#General Aptitude

Ramsar convention is related to conservation of:

TLS Online TPP Program

#Question id: 6960

#Unit 5. Developmental Biology

At the blastocyst stage during mammalian embryonic development, the specification of trophectoderm requires ________; whereas in inner cell mass _________activation is essential.