Practice Questions

TLS Online TPP Program

#Question id: 9154

The main reason polar regions are cooler than the equator is that ________.

#9. Diversity of Life Forms

solar radiation strikes the poles at a lower angle and travels through more atmosphere
the poles are farther from the sun than is the equator
the polar atmosphere is thinner and contains fewer greenhouse gases
the poles are permanently tilted away from the sun

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TLS Online TPP Program

#Question id: 12652

#6. System Physiology – Plant

Which of the following two organelles participate in jasmonate biosynthesis;

TLS Online TPP Program

#Question id: 6969

#5. Developmental Biology

In Xenopus, the elongation of the mesoderm toward the anterior results from the intercalation of cells during a process called:

TLS Online TPP Program

#Question id: 2964

#2. Cellular Organization

Starting with a fertilized egg (zygote), a series of six cell divisions would produce an early embryo with how many cells?

TLS Online TPP Program

#Question id: 21249

#7. System Physiology – Animal

Which of the following is not involved in color vision?

TLS Online TPP Program

#Question id: 10594

#10. Ecological Principles

Which of the following is not characteristic of ruderal species?