Tumor-suppressor genes encode proteins with which of the following functions?

a. growth-promoting               b. growth-arresting                  c. pro-apoptotic

d. anti-apoptotic                      e. DNA repair

TLS Online TPP Program

#Question id: 40120

#Environmental Science

Q. Energy pyramid is always upright because:

TLS Online TPP Program

#Question id: 40121

#Environmental Science

Q. Consider the following statements regarding the 10% law:

1.It was proposed by Raymond Lindeman.

2.It states that only 10% of energy is transferred from one trophic level to the next.

3.It applies to both energy and biomass equally.

Which of the above are correct?

TLS Online TPP Program

#Question id: 40122

#Environmental Science

Q.Net Primary Productivity (NPP):

1.Is the rate of biomass accumulation.

2.Is available to herbivores.

3.Is always higher than GPP.

Correct option is:

TLS Online TPP Program

#Question id: 40123

#Environmental Science

Q. A food chain always begins with:

TLS Online TPP Program

#Question id: 40124

#Environmental Science

Q. Detritus food chain is dominant in:

TLS Online TPP Program

#Question id: 40125

#Environmental Science

Q6. Food web is defined as: