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TLS Online TPP Program

#Question id: 5005

Fossilized stromatolites

#Unit 11. Evolution and Behavior

  1. all date from 2.7 billion years ago.

  2. formed around deep-sea vents.

  3. resemble structures formed by bacterial communities that are found today in some warm, shallow, salty bays.

  4. provide evidence that plants moved onto land in the company of fungi around 500 million years ago.

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TLS Online TPP Program

#Question id: 4859

#Unit 8. Inheritance Biology

How would one explain a testcross involving F1 dihybrid flies in which more parental-type offspring than recombinant-type offspring are produced?
TLS Online TPP Program

#Question id: 7268

#Unit 5. Developmental Biology

Match the columns and choose the correct option.

Column I           

Column II

A.    Progress zone

i.                    thickening of the ectoderm at the apex of the developing limb bud

 

B.     Apical ectodermal ridge

ii.                  The cells found within the most posterior region

C.     Zone of polarizing activity

iii.                The highly proliferative mesenchyme that fuels limb bud growth


TLS Online TPP Program

#Question id: 20983

#Unit 12. Applied Biology

Which is considered as less recalcitrant out of the BTEX compounds, and of lesser regulatory concern?
1. Xylene
2. Ethylbenzene
3. Toluene
4. Benzene
Which of the below combinations are correct?
TLS Online TPP Program

#Question id: 26952

#Unit 10. Ecological Principles

Exponential growth represents
TLS Online TPP Program

#Question id: 13128

#Unit 10. Ecological Principles

Which point in the graph shows -Both population and per capita growth rates are positive but decelerating