Practice Questions

TLS Online TPP Program

#Question id: 4594

Which one of the following observations did Darwin first make during his discovery of evolution?

#Unit 11. Evolution and Behavior

The ability of individuals to survive and reproduce is not equal.
There is variation in inherited traits.
Individuals who reproduce more leave more offspring.
The unequal ability to reproduce leads to the accumulation of favorable traits in a population.

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TLS Online TPP Program

#Question id: 3857

#Unit 3. Fundamental Processes

The CAAT box is usually located near the position:

TLS Online TPP Program

#Question id: 9153

#Unit 9. Diversity of Life Forms

Imagine some cosmic catastrophe jolts Earth so that its axis is perpendicular to the orbital plane between Earth and the sun. The most obvious effect of this change would be ________.

TLS Online TPP Program

#Question id: 32255

#Unit 2. Cellular Organization

COPII Vesicle coated with following proteins, except:

TLS Online TPP Program

#Question id: 4857

#Unit 8. Inheritance Biology

Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of these ways?

TLS Online TPP Program

#Question id: 7232

#Unit 5. Developmental Biology

During early development in sea urchin following events occur.