Which of the following is produced by the trophoblast cells during the first 3 weeks of pregnancy?

TLS Online TPP Program

#Question id: 40118

#Environmental Science

Q. Which food chain begins with dead organic matter?

TLS Online TPP Program

#Question id: 40119

#Environmental Science

Q. Which food chain begins with dead organic matter?

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: